{"id":"cornus-florida","license":"CC-BY-4.0","data":{"scientificName":"Cornus florida","commonNames":["Flowering dogwood"],"taxonRank":"species","acceptedName":"Cornus florida","family":"Cornaceae","ids":{"usdaSymbol":"COFL2","gbifKey":3082240,"itisTsn":27806,"wikidataQid":"Q887221","inatTaxonId":54777},"usdaZoneMin":"5a","usdaZoneMax":"9b","zoneSource":"pnw590","states":["AL","AR","CT","DC","DE","FL","GA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MO","MS","NC","NH","NJ","NY","OH","OK","OR","PA","RI","SC","TN","TX","VA","VT","WA","WV"],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["AL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ALA — Alabama"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["AR"],"regions":["TDWG level 1 7 — NORTHERN 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— Southeastern U.S.A.","TDWG level 3 DEL — Delaware"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["FL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 FLA — Florida"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["GA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 GEO — Georgia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["IL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 ILL — Illinois"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["IN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 INI — Indiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["KS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 KAN — Kansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["KY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 KTY — Kentucky"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["LA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 LOU — Louisiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["MA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MAS — Massachusetts"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["MD"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MRY — Maryland"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["ME"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MAI — Maine"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["MI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MIC — Michigan"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["MO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MSO — Missouri"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["MS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MSI — Mississippi"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 NCA — North Carolina"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NH"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWH — New Hampshire"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NJ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWJ — New Jersey"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWY — New York"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["OH"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 OHI — Ohio"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["OK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 OKL — Oklahoma"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["PA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 PEN — Pennsylvania"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["RI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 RHO — Rhode I."]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["SC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 SCA — South Carolina"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["TN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 TEN — Tennessee"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["TX"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 TEX — Texas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["VA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 VRG — Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["VT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 VER — Vermont"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["WV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 WVA — West Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"hardinessAssertions":[{"minimum":"5","interpretation":"ambiguous-single-value","precision":"whole-zone","zoneMapping":"source-stated","applicability":"uncertain","applicabilityNotes":"The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.","source":"fps-eastern-us","sourceRecordId":"cornus-florida","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"tree:Cornus florida","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Table 1, tree row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Flowering dogwood","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Flowering dogwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COFL2","sourceTaxon":"Cornus florida","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 75171, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","matureHeightFt":30,"waterNeed":"low","photo":{"file":"/images/plants/cornus-florida.jpg","sourceUrl":"https://www.inaturalist.org/photos/358429280","observationUrl":"https://www.inaturalist.org/observations/202912861","license":"cc-by","attribution":"(c) Dominic, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"pnw-590","verdict":"recommend","verdictRaw":"listed fire-resistant","edition":"2023","url":"https://extension.oregonstate.edu/catalog/pub/pnw-590-fire-resistant-plants-home-landscapes","documentDate":"2023-10-01T00:00:00.000Z","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"wa-dnr-eastern-wa","verdict":"recommend","verdictRaw":"listed fire-resistant","url":"https://www.dnr.wa.gov/publications/rp_fire_resistant_plants_guide_easternwa.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"fps-eastern-us","verdict":"recommend","verdictRaw":"Firewise (1)","claims":"White, pink and red bracts available-green and white/yellow foliage available.","sourcePlacement":{"value":"LZ2","scheme":"fps-landscape-zone"},"edition":"2016-wayback","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"idaho-firewise-master-db","verdict":"mixed","verdictRaw":"fire-resistance score 6 of 10","score":{"value":6,"scale":"idaho-0-10"},"sourcePlacement":{"value":"plantable at 50' from home","scheme":"idaho-distance"},"url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"bardon-2005","verdict":"recommend","verdictRaw":"Low flammability rating","edition":"2005","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"osu-b921","verdict":"recommend","verdictRaw":"L flammability","claims":"Shade tolerant; moisture, stress, insect, and disease intolerant.","edition":"2006","url":"http://web.archive.org/web/20070714035936/http://www.firewise.org/usa/files/ohio_plantlist.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"va-firescapes","verdict":"recommend","verdictRaw":"L flammability","claims":"Not suitable for hot, dry, exposed areas or in poorly drained soils.","edition":"2009","url":"http://web.archive.org/web/20090709143736/http://pubs.ext.vt.edu/430/430-300/430-300.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"ncsu-ag874","verdict":"recommend","verdictRaw":"low flammability","original":"bardon-2005","edition":"2025","url":"https://content.ces.ncsu.edu/fire-resistant-landscaping-in-north-carolina","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"firesmart-bc","verdict":"recommend","verdictRaw":"FireSmart-approved fire-resistant plant","sourcePlacement":{"value":"suitable for HIZ extended zone (30-100 m)","scheme":"firesmart-hiz"},"original":"pnw-590","url":"https://firesmartbc.ca/landscaping-hub/fire-resistant-plants/","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"ut-sp685","verdict":"recommend","verdictRaw":"listed Firewise plant","original":"va-firescapes","url":"https://utia.tennessee.edu/publications/wp-content/uploads/sites/269/2023/10/SP685.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"unr-compilation-good-plant-choices","verdict":"recommend","verdictRaw":"listed by at least two cited sources","claims":"Compilation marks: UI Bulletin 67, OSU FRN 6.","edition":"SP-05-16 (2005)","url":"https://extension.unr.edu/publication.aspx?PubID=4762","documentDate":"2005-01-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"msu-e2948","verdict":"recommend","verdictRaw":"considered wildfire-resistant and are recommended for Michigan’s climate","claims":"Table 1 row: Cornus florida (Flowering dogwood).","edition":"New, January 2007","url":"https://web.archive.org/web/20070714035839/http://www.firewise.org/usa/files/mi_wildfire_resistant.pdf","documentDate":"2007-01-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"fitzgerald-waldo-2002-osu-frn6","verdict":"recommend","verdictRaw":"Fire-Resistant Plant Materials for Oregon","claims":"Cornus florida (Flowering dogwood) is listed under “Trees—deciduous” for Southern and Western Oregon. The guide says most listed plants require some irrigation during Oregon's dry summer months and must be maintained in a healthy condition.","plantPart":"whole-plant","condition":"green","sourcePlacement":{"value":"Southern and Western Oregon","scheme":"osu-frn6-oregon-regions"},"edition":"Forest Resource Note No. 6","url":"https://www.iatp.org/sites/default/files/Fire_Resistant_Plants_for_Oregon_Home_Landscap.pdf","documentDate":"2002-04-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"osu-plant-profile-galleries","verdict":"recommend","verdictRaw":"Choose the right trees for your fire-resistant landscape","claims":"The Flowering dogwood profile prints Cornus florida. The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Flowering dogwood — Cornus florida","scheme":"osu-2023-trees-gallery"},"edition":"November 2023 educational gallery","url":"https://extension.oregonstate.edu/gallery/fire-resistant-plant-profiles-trees","documentDate":"2023-11-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"nc-plant-toolbox","verdict":"recommend","verdictRaw":"low flammability","claims":"NC Toolbox facet capture lists \"Cornus florida\" under the low flammability tag.","plantPart":"whole-plant","sourcePlacement":{"value":"cornus-florida","scheme":"nc-toolbox-flammability-facet"},"original":"bardon-2005","edition":"live facet capture accessed 2026-08-23","url":"https://plants.ces.ncsu.edu/plants/cornus-florida/","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 76.3","score":{"value":76.3,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 13588; Combustibility measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","plantPart":"litter","condition":"dead-material","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"original":"Varner2021","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flaming duration (s): 54.2","score":{"value":54.2,"scale":"FLAMITS — flaming duration (s)"},"claims":"FLAMITS record 13589; Sustainability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","plantPart":"litter","condition":"dead-material","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"original":"Varner2021","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"smouldering duration (s): 188","score":{"value":188,"scale":"FLAMITS — smouldering duration (s)"},"claims":"FLAMITS record 13590; Sustainability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","plantPart":"litter","condition":"dead-material","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"original":"Varner2021","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 84.1","score":{"value":84.1,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 13591; Consumability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","plantPart":"litter","condition":"dead-material","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"original":"Varner2021","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame intensity (kW/m): 314","score":{"value":314,"scale":"FLAMITS — flame intensity (kW/m)"},"claims":"FLAMITS record 13592; Combustibility measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","plantPart":"litter","condition":"dead-material","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"original":"Varner2021","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"mdfs-firewise-landscaping-plants","verdict":"recommend","verdictRaw":"relatively resistant to fire","claims":"Listed as Cornus florida (Flowering Dogwood). The source says listed species exhibit stronger resistance to ignition by wildfires. Source comments: Not good for hot, dry, exposed areas, or poorly drained soils","plantPart":"whole-plant","sourcePlacement":{"value":"Deciduous Trees","scheme":"Maryland Firewise plant-form tables"},"edition":"2015 archived PDF","url":"https://web.archive.org/web/20250408035155/https://dnr.maryland.gov/forests/documents/fire/firewise_plants.pdf","documentDate":"2015-01-08T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"al-afc-firewise-woodland-homes-2001","verdict":"recommend","verdictRaw":"Medium sized hardwoods: Flowering Dogwood — Cornus florida","claims":"The booklet explicitly places this row in one or more suggested-plant sections.","plantPart":"whole-plant","sourcePlacement":{"value":"Medium sized hardwoods","scheme":"al-afc-booklet-section"},"edition":"2002 archived booklet","url":"https://web.archive.org/web/20020913055904/http://www.forestry.state.al.us/publication/FIREWISE_LANDSCAPING_FOR_WOODLAND_HOMES.pdf","documentDate":"2002-02-25T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"firewise-arkansas-plant-guide","verdict":"recommend","verdictRaw":"Cornus florida — Flowering dogwood — Understory tree that is hardy and ornamental.","claims":"The page presents this row in its table of Firewise trees, shrubs, and groundcovers from which homeowners can choose.","plantPart":"whole-plant","sourcePlacement":{"value":"Scientific name / Common name / Comments table","scheme":"arkansas-firewise-table"},"edition":"2007 one-page guide","url":"https://web.archive.org/web/20070714035825/http://www.firewise.org/usa/files/ArkansasPlantGuide.pdf","documentDate":"2007-05-04T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"consensus","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z","reviewNotes":"Demoted from on-list 2026-08-23 (Phase 1 lineage audit): evidence rows do not span two verified lineage trees. Evidence retained; returns to the list when a second verified-independent Tier 1 lineage lands. Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["AL","AR","CT","DC","DE","FL","GA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MO","MS","NC","NH","NJ","NY","OH","OK","OR","PA","RI","SC","TN","TX","VA","VT","WA","WV"],"nativeStates":[],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["AL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ALA — Alabama"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["AR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ARK — Arkansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["CT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 CNT — Connecticut"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["DC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 WDC — District of Columbia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["DE"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 DEL — Delaware"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["FL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 FLA — Florida"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["GA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 GEO — Georgia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["IL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 ILL — Illinois"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["IN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 INI — Indiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["KS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 KAN — Kansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["KY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 KTY — Kentucky"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["LA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 LOU — Louisiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["MA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MAS — Massachusetts"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["MD"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MRY — Maryland"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["ME"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MAI — Maine"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["MI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 MIC — Michigan"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["MO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MSO — Missouri"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["MS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MSI — Mississippi"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 NCA — North Carolina"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NH"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWH — New Hampshire"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NJ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWJ — New Jersey"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWY — New York"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["OH"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 OHI — Ohio"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["OK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 OKL — Oklahoma"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["PA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 PEN — Pennsylvania"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["RI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 RHO — Rhode I."]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["SC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 SCA — South Carolina"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["TN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 TEN — Tennessee"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["TX"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 TEX — Texas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["VA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 VRG — Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["VT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 VER — Vermont"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["WV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 WVA — West Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AL","AR","CT","DC","DE","FL","GA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MO","MS","NC","NH","NJ","NY","OH","OK","OR","PA","RI","SC","TN","TX","VA","VT","WA","WV"]},"provenance":"legacy-field"}],"usdaZoneMin":"5a","usdaZoneMax":"9b","hardinessAssertions":[{"minimum":"5","interpretation":"ambiguous-single-value","precision":"whole-zone","zoneMapping":"source-stated","applicability":"uncertain","applicabilityNotes":"The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.","source":"fps-eastern-us","sourceRecordId":"cornus-florida","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"tree:Cornus florida","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Table 1, tree row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Flowering dogwood","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Flowering dogwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COFL2","sourceTaxon":"Cornus florida","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 75171, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"overlapping","assertions":[{"minimum":"5","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"tree:Cornus florida","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Table 1, tree row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Flowering dogwood","sourceTaxon":"Cornus florida","taxonMatch":"exact","sourcePlacement":"Flowering dogwood profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-28,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COFL2","sourceTaxon":"Cornus florida","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 75171, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"al-afc-firewise-woodland-homes-2001","sourceName":"Firewise Landscaping for Woodland Homes","sourceUrl":"https://web.archive.org/web/20020913055904/http://www.forestry.state.al.us/publication/FIREWISE_LANDSCAPING_FOR_WOODLAND_HOMES.pdf","geography":{"grain":"state","stateCodes":["AL"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The Alabama Forestry Commission's five-page AFC-FP-04 booklet is an Alabama publication and contains 31 printed suggested or fire-prone plant occurrences. FireApproved publishes 27 exact species or genus owners and holds one infraspecific form plus two named cultivars; this historical source scope does not establish current site suitability for a particular Alabama property.","sourceVersion":"AFC-FP-04-1999"},{"source":"idaho-firewise-master-db","sourceName":"Fire Resistance of Plants Master Database","sourceUrl":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","geography":{"grain":"aggregate-region","stateCodes":["ID"],"regions":["Southern Idaho"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The official database labels itself \"For Southern Idaho\" and describes Idaho residents at the urban-rangeland interface. FireApproved publishes 419 existing plant owners that cite its scored rows. This bounded Southern Idaho scope is regional context, not statewide coverage or a conclusion that the score transfers unchanged to every Idaho site.","sourceVersion":"Idaho-Firewise-Southern-Idaho-Master-2013-11-08","asOf":"2013-11-08T00:00:00.000Z"},{"source":"mdfs-firewise-landscaping-plants","sourceName":"Firewise Landscaping Plants (Maryland, New Jersey, and West Virginia editions)","sourceUrl":"https://web.archive.org/web/20250408035155/https://dnr.maryland.gov/forests/documents/fire/firewise_plants.pdf","geography":{"grain":"state","stateCodes":["MD"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Maryland Forest Service says the list contains plants that can be grown in Maryland and identifies Maryland natives. FireApproved publishes 169 exact source owners from the 180 printed rows; an unrepresentable form and duplicate-owner rows are not broadened. The list calls itself non-comprehensive and does not establish suitability for every Maryland site.","sourceVersion":"Maryland-Firewise-Plants-2015-01-08","asOf":"2015-01-08T00:00:00.000Z"},{"source":"mdfs-firewise-landscaping-plants","sourceName":"Firewise Landscaping Plants (Maryland, New Jersey, and West Virginia editions)","sourceUrl":"https://www.nj.gov/dep/parksandforests/fire/docs/Firewise_Landscaping_Plants_for_NJ.pdf","geography":{"grain":"state","stateCodes":["NJ"]},"completeness":"partial","reviewStatus":"reviewed","scope":"New Jersey DEP publishes a state edition saying the listed plants can be grown in New Jersey and are relatively resistant to fire. Its same 180 printed taxon occurrences map to the 169 conservative owners already normalized for the template family. The list is non-comprehensive and does not establish suitability for every New Jersey site or override the Pinelands Commission's separate placement and fuel-break rules.","sourceVersion":"New-Jersey-Firewise-Landscaping-Plants-archive-2025-09-01"},{"source":"mdfs-firewise-landscaping-plants","sourceName":"Firewise Landscaping Plants (Maryland, New Jersey, and West Virginia editions)","sourceUrl":"https://wvforestry.com/pdf/Firewise%20Landscaping%20Plants%20for%20WV.pdf","geography":{"grain":"state","stateCodes":["WV"]},"completeness":"partial","reviewStatus":"reviewed","scope":"West Virginia Division of Forestry publishes a state edition saying the listed plants can be grown in West Virginia and are relatively resistant to fire. Its same 180 printed taxon occurrences map to the 169 conservative owners already normalized for the template family. The list is non-comprehensive and provides no comparative or site-specific rating.","sourceVersion":"West-Virginia-DOF-Firewise-Landscaping-Plants-live-2026-08-26","asOf":"2026-08-26T00:00:00.000Z"},{"source":"msu-e2948","sourceName":"Wildfire-resistant Landscape Plants for Michigan (Extension Bulletin E2948)","sourceUrl":"https://web.archive.org/web/20070714035839/http://www.firewise.org/usa/files/mi_wildfire_resistant.pdf","geography":{"grain":"state","stateCodes":["MI"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Michigan State University Extension Bulletin E2948 is explicitly a list of wildfire-resistant landscape plants for Michigan and includes a Michigan-native field. FireApproved publishes 221 exact GBIF owners from 226 represented source rows and holds 15 complex or non-exact rows. This dated publication scope is not a current site-suitability determination.","sourceVersion":"MSU-Extension-E2948-2007","asOf":"2007-01-01T00:00:00.000Z"},{"source":"ncsu-ag874","sourceName":"Fire-Resistant Landscaping in North Carolina (AG-874)","sourceUrl":"https://content.ces.ncsu.edu/fire-resistant-landscaping-in-north-carolina","geography":{"grain":"state","stateCodes":["NC"]},"completeness":"complete","reviewStatus":"reviewed","scope":"The complete three-table AG-874 plant list is explicitly for North Carolina and contains 202 low-, medium-, or high-flammability rows. FireApproved accounts for all source rows under its strict taxonomy and lineage rules; source scope does not establish local suitability at a particular North Carolina site.","sourceVersion":"AG-874-reviewed-2025-03-26","asOf":"2025-03-26T00:00:00.000Z"},{"source":"osu-b921","sourceName":"Firewise Landscaping (OSU Extension Bulletin 921)","sourceUrl":"http://web.archive.org/web/20070714035936/http://www.firewise.org/usa/files/ohio_plantlist.pdf","geography":{"grain":"state","stateCodes":["OH"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Ohio State University Extension Bulletin 921 is an Ohio publication that describes Ohio fire seasons and landscape conditions and labels nativity to Ohio. FireApproved publishes 352 exact source-owning plant records from its eight rated tables. This historical publication scope does not assert current extension endorsement or that a listed plant suits every Ohio site.","sourceVersion":"OSU-Extension-Bulletin-921-2006","asOf":"2006-03-01T00:00:00.000Z"},{"source":"pnw-590","sourceName":"Fire-Resistant Plants for Home Landscapes (PNW 590)","sourceUrl":"https://extension.oregonstate.edu/catalog/pub/pnw-590-fire-resistant-plants-home-landscapes","geography":{"grain":"state","stateCodes":["ID","OR","WA"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The October 2023 joint Pacific Northwest Extension publication explicitly names Oregon, Washington, and Idaho and publishes more than 150 plant profiles. FireApproved has normalized 155 exact plant records from the source; publication scope does not assert that every listed plant suits every site within the three states.","sourceVersion":"PNW-590-October-2023","asOf":"2023-10-01T00:00:00.000Z"},{"source":"unr-compilation-good-plant-choices","sourceName":"A Compilation of Good Plant Choices for Nevada's High Fire Hazard Areas (SP-05-16)","sourceUrl":"https://extension.unr.edu/publication.aspx?PubID=4762","geography":{"grain":"state","stateCodes":["NV"]},"completeness":"partial","reviewStatus":"reviewed","scope":"University of Nevada Cooperative Extension compiled plants suited to Nevada climate zones and reported favorably by at least two upstream firewise lists. FireApproved publishes 126 exact source owners at Nevada publication scope. The source explicitly makes no independent flammability determination, so these rows remain corroborative.","sourceVersion":"UNR-Extension-SP-05-16-2005","asOf":"2005-01-01T00:00:00.000Z"},{"source":"ut-sp685","sourceName":"Landscaping Guidelines to Protect Your Home from Wildfire (SP685)","sourceUrl":"https://utia.tennessee.edu/publications/wp-content/uploads/sites/269/2023/10/SP685.pdf","geography":{"grain":"state","stateCodes":["TN"]},"completeness":"partial","reviewStatus":"reviewed","scope":"University of Tennessee Extension SP685 is Tennessee landscape guidance and publishes 78 represented plant owners. Most table rows are a carrier of Virginia Firescapes rather than an independent rating; Tennessee source scope does not change that lineage or establish site suitability.","sourceVersion":"UT-Extension-SP685-2006-10-24","asOf":"2006-10-24T00:00:00.000Z"},{"source":"va-firescapes","sourceName":"Virginia Firescapes — Firewise Landscaping for Woodland Homes (430-300)","sourceUrl":"http://web.archive.org/web/20090709143736/http://pubs.ext.vt.edu/430/430-300/430-300.pdf","geography":{"grain":"state","stateCodes":["VA"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Virginia Cooperative Extension's publication opens with Virginia wildfire conditions, identifies its Virginia Firewise Landscaping Task Force, and labels plants native to Virginia. FireApproved publishes 306 exact source owners. Publication scope does not establish parcel suitability or current endorsement of this archived 2009 list.","sourceVersion":"Virginia-VCE-430-300-2009","asOf":"2009-04-15T00:00:00.000Z"},{"source":"wa-dnr-eastern-wa","sourceName":"Fire-Resistant Plants for Eastern Washington","sourceUrl":"https://dnr.wa.gov/publications/rp_fire_resistant_plants_guide_easternwa.pdf","geography":{"grain":"aggregate-region","stateCodes":["WA"],"regions":["Eastern Washington"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Washington DNR publishes the guide for Eastern Washington and says it compiles plants from other Firewise documents that are likely to thrive there. FireApproved publishes 46 exact owners only as eastern Washington context. The rows are corroborative, not empirical or statewide.","sourceVersion":"WA-DNR-Eastern-Washington-live-2026-08-26"}],"firePerformanceConditions":[{"condition":"dead-material","evidence":[{"source":"flamits","verdict":"not-rated","url":"https://doi.org/10.5061/dryad.h18931zr3","claims":"FLAMITS record 13588; Combustibility measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"evidenceIndex":15},{"source":"flamits","verdict":"not-rated","url":"https://doi.org/10.5061/dryad.h18931zr3","claims":"FLAMITS record 13589; Sustainability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"evidenceIndex":16},{"source":"flamits","verdict":"not-rated","url":"https://doi.org/10.5061/dryad.h18931zr3","claims":"FLAMITS record 13590; Sustainability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"evidenceIndex":17},{"source":"flamits","verdict":"not-rated","url":"https://doi.org/10.5061/dryad.h18931zr3","claims":"FLAMITS record 13591; Consumability measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"evidenceIndex":18},{"source":"flamits","verdict":"not-rated","url":"https://doi.org/10.5061/dryad.h18931zr3","claims":"FLAMITS record 13592; Combustibility measurement; plant part litter; fuel all; predrying yes; device burning bench; site Varner2021-1; sampling ND. Primary study Varner2021: Varner, J. M., Kane, J. M., Kreye, J. K., & Shearman, T. M. (2021). Litter Flammability of 50 Southeastern North American Tree Species: Evidence for Mesophication Gradients Across Multiple Ecosystems. Frontiers in Forests and Global Change, 4, 727042. Primary-study method: freshly fallen litter was oven-dried at 50–60°C for at least 24 hours to constant mass; each trial used a 15 g dry litter fuelbed, with five to seven trials per species.","conditionSource":{"title":"Litter Flammability of 50 Southeastern North American Tree Species","url":"https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2021.727042/full","publisher":"Frontiers in Forests and Global Change","sourcePlacement":"Materials and Methods, Laboratory Burning","documentDate":"2021-10-12T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"},"evidenceIndex":19}]},{"condition":"green","evidence":[{"source":"fitzgerald-waldo-2002-osu-frn6","verdict":"recommend","url":"https://www.iatp.org/sites/default/files/Fire_Resistant_Plants_for_Oregon_Home_Landscap.pdf","claims":"Cornus florida (Flowering dogwood) is listed under “Trees—deciduous” for Southern and Western Oregon. The guide says most listed plants require some irrigation during Oregon's dry summer months and must be maintained in a healthy condition.","evidenceIndex":12}]}],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["AL","AR","CT","DC","DE","FL","GA","IL","IN","KS","KY","LA","MA","MD","ME","MI","MO","MS","NC","NH","NJ","NY","OH","OK","PA","RI","SC","TN","TX","VA","VT","WV"],"invasiveIn":[]},"localAssessmentContract":"Compare each dimension separately. State noxious-weed seed designations are material-scoped and never become non-seed plant restrictions, ecological-invasive findings, nursery restrictions, alternatives, product evidence, or fire votes. Introduced/established context is not an invasive warning. Minimum-only hardiness has no inferred maximum; canonical source-temperature conversion is validated and contradictory applicable rows project no primary zone. L48 context applies only to conterminous states and is never exact-state status. Fire-performance conditions are not maintenance advice. FEIS fire-ecology context does not vote in the plant classification. Absence of a status row is not regulatory clearance."}