{"id":"heuchera-sanguinea","license":"CC-BY-4.0","data":{"scientificName":"Heuchera sanguinea","commonNames":["Coral bells"],"taxonRank":"species","acceptedName":"Heuchera sanguinea","family":"Saxifragaceae","ids":{"usdaSymbol":"HESA3","gbifKey":3032653,"itisTsn":24374,"wikidataQid":"Q12332586","inatTaxonId":48384},"usdaZoneMin":"3a","usdaZoneMax":"8b","zoneSource":"msu-e2948","states":["AZ","MI","NM","PA"],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["AZ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 ARI — Arizona"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NM"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 NWM — New Mexico"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"hardinessAssertions":[{"minimum":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"perennial:Heuchera sanguinea","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Table 1, perennial row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coralbells profile (PDF page 46)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Coral bells","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coral bells profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-23,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"HESA3","sourceTaxon":"Heuchera sanguinea","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 92051, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"perennial","matureHeightFt":1.5,"waterNeed":"moderate","photo":{"file":"/images/plants/heuchera-sanguinea.jpg","sourceUrl":"https://www.inaturalist.org/photos/193150380","observationUrl":"https://www.inaturalist.org/observations/114378506","license":"cc-by","attribution":"(c) Elliot Kulakow, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"firesmart-bc","verdict":"recommend","verdictRaw":"FireSmart-approved fire-resistant plant","sourcePlacement":{"value":"suitable for HIZ extended zone (30-100 m)","scheme":"firesmart-hiz"},"url":"https://firesmartbc.ca/landscaping-hub/fire-resistant-plants/","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"usu-firewise-plants-utah","verdict":"recommend","verdictRaw":"listed as a firewise plant for Utah landscapes","claims":"Source says the plant can be firewise when properly used and maintained.","edition":"2005 revision","url":"https://extension.usu.edu/smallfarms/files/FirewisePlantsUtLandscapes.pdf","documentDate":"2005-02-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"msu-montguide-mt200101ag","verdict":"recommend","verdictRaw":"listed fire-resistant","claims":"Listed among fire-resistant plant species adapted to Montana.","edition":"Current as of 4/22","url":"https://extension-store.montana.edu/montguides/fire-resistant-plants-for-montana-landscapes","documentDate":"2022-04-01T00:00:00.000Z","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: Heuchera sanguinea (Coral bells).","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":"osu-em-9103","verdict":"recommend","verdictRaw":"fire-resistant plants that thrive in Willamette Valley growing conditions","claims":"The perennials profile lists Heuchera sanguinea as Coralbells. The profile prints USDA Hardiness Zone: 3–9.","plantPart":"whole-plant","sourcePlacement":{"value":"Coralbells profile (PDF page 46)","scheme":"osu-em-9103-profile"},"edition":"EM 9103, February 2015","url":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","documentDate":"2015-02-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"osu-plant-profile-galleries","verdict":"recommend","verdictRaw":"Choose the right perennial plants for your fire-resistant landscape","claims":"The Coral bells profile prints Heuchera sanguinea. The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Coral bells — Heuchera sanguinea","scheme":"osu-2023-perennials-gallery"},"edition":"November 2023 educational gallery","url":"https://extension.oregonstate.edu/gallery/fire-resistant-plant-profiles-perennials","documentDate":"2023-11-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"idaho-firewise-master-db","verdict":"mixed","verdictRaw":"40","claims":"Living With Fire workbook row 669 attributes this value to Idaho Database.","plantPart":"whole-plant","sourcePlacement":{"value":"40 ft minimum planting distance on flat terrain","scheme":"idaho-distance"},"via":"lwf-plant-list-generator","edition":"2024-03-05 carrier workbook","url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","documentDate":"2024-03-05T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"nv-forestry-tahoe-landscaping-guide","verdict":"recommend","verdictRaw":"low — Alumroot or Coral Bells — Heuchera sanguinea","claims":"Table 1's Fire Hazard column prints “low” for this taxon. The guide calls the rating a rough estimate of potential flammability, not a result of scientific trials. Its footnote says plants that turn brown often become high fire hazards and tells readers to mow grasses and forbs when they begin to turn brown.","plantPart":"whole-plant","sourcePlacement":{"value":"Fire Hazard column: low","scheme":"tahoe-guide-2006"},"edition":"Bulletin 06-01 (2006)","url":"https://forestry.nv.gov/uploads/missions/20210304_AMT_2006_Home_Landscaping_Guide_Lake_Tahoe.pdf","documentDate":"2006-01-01T00:00:00.000Z","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":"Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["AZ","MI","NM","PA"],"nativeStates":[],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["AZ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 ARI — Arizona"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NM"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 NWM — New Mexico"]},"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":["AZ","MI","NM","PA"]},"provenance":"legacy-field"}],"usdaZoneMin":"3a","usdaZoneMax":"8b","hardinessAssertions":[{"minimum":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"perennial:Heuchera sanguinea","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Table 1, perennial row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coralbells profile (PDF page 46)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Coral bells","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coral bells profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-23,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"HESA3","sourceTaxon":"Heuchera sanguinea","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 92051, 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":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"msu-e2948","sourceRecordId":"perennial:Heuchera sanguinea","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Table 1, perennial row","sourceVersion":"New, January 2007","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coralbells profile (PDF page 46)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"3","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Coral bells","sourceTaxon":"Heuchera sanguinea","taxonMatch":"exact","sourcePlacement":"Coral bells profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-23,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"HESA3","sourceTaxon":"Heuchera sanguinea","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 92051, 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":"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":"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":"msu-montguide-mt200101ag","sourceName":"Fire-Resistant Plants for Montana Landscapes (MontGuide MT200101AG)","sourceUrl":"https://extension-store.montana.edu/montguides/fire-resistant-plants-for-montana-landscapes","geography":{"grain":"state","stateCodes":["MT"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The April 2022 MontGuide explicitly presents fire-resistant species adapted to Montana. FireApproved publishes 92 exact plant records from the source while retaining excluded genus, family, and unresolved rows; the guide itself says not every listed species grows in every part of the state.","sourceVersion":"MT200101AG-current-2022-04","asOf":"2022-04-01T00:00:00.000Z"},{"source":"nv-forestry-tahoe-landscaping-guide","sourceName":"Home Landscaping Guide for Lake Tahoe and Vicinity (Ed. Bulletin 06-01)","sourceUrl":"https://forestry.nv.gov/uploads/missions/20210304_AMT_2006_Home_Landscaping_Guide_Lake_Tahoe.pdf","geography":{"grain":"aggregate-region","stateCodes":["CA","NV"],"regions":["Lake Tahoe Basin"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Nevada Division of Forestry and University of Nevada Cooperative Extension publish Bulletin 06-01 for the Lake Tahoe Basin and vicinity. FireApproved publishes 83 exact rated owners as basin context across Nevada and California. Rough estimates are not statewide or site ratings.","sourceVersion":"Nevada-Extension-Bulletin-06-01-2006","asOf":"2006-01-01T00:00:00.000Z"},{"source":"osu-em-9103","sourceName":"Fire-resistant Landscape Plants for the Willamette Valley (EM 9103)","sourceUrl":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","geography":{"grain":"aggregate-region","stateCodes":["OR"],"regions":["Willamette Valley"]},"completeness":"partial","reviewStatus":"reviewed","scope":"OSU Extension says EM 9103 highlights fire-resistant plants that thrive under Willamette Valley growing conditions. FireApproved publishes 172 exact owners only as valley context. The guide shares the PNW 590 lineage and is not a second independent vote or statewide site clearance.","sourceVersion":"OSU-EM-9103-2015-02","asOf":"2015-02-01T00:00:00.000Z"},{"source":"usu-firewise-plants-utah","sourceName":"Firewise Plants for Utah Landscapes (NR/FF/002)","sourceUrl":"https://extension.usu.edu/smallfarms/files/FirewisePlantsUtLandscapes.pdf","geography":{"grain":"state","stateCodes":["UT"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Utah State University Extension states that this fact sheet selects examples for Utah landscapes and that they require proper placement and maintenance. FireApproved publishes 83 exact source owners at Utah publication scope. The table is not a site-specific planting clearance.","sourceVersion":"USU-NR-FF-002-2005-02","asOf":"2005-02-01T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["AZ","NM"],"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."}