{"id":"lavandula","license":"CC-BY-4.0","data":{"scientificName":"Lavandula","commonNames":["Lavender"],"taxonRank":"genus","acceptedName":"Lavandula","family":"Lamiaceae","ids":{"usdaSymbol":"LAVAN","gbifKey":2927302,"itisTsn":500370,"wikidataQid":"Q171892","inatTaxonId":61905},"usdaZoneMin":"4a","usdaZoneMax":"8b","zoneSource":"pnw590","states":["ID","OR","WA"],"hardinessAssertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Lavender","sourceTaxon":"Lavandula spp.","taxonMatch":"exact","sourcePlacement":"Lavender profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"shrub","maintenanceAssertions":[{"practice":"pruning","statement":"Prune lavender annually to maintain plant health and flowering.","source":"osu-em-9103","sourcePlacement":"Lavender, many species profile","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"}],"photo":{"file":"/images/plants/lavandula.jpg","sourceUrl":"https://www.inaturalist.org/photos/555045631","observationUrl":"https://www.inaturalist.org/observations/307701441","license":"cc-by","attribution":"(c) Marios Thoma, 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":"ashland-prohibited","verdict":"avoid","verdictRaw":"prohibited flammable plant","claims":"The City of Ashland restricts new planting or propagation within 30 ft of any structure, including structures on adjacent lots (AMC 9.04). Dwarf or prostrate varieties require Fire and Rescue approval, placement beyond 5 ft, and ordinance-compliant tree or shrub spacing.","sourcePlacement":{"value":"new planting or propagation restricted within 30 ft of any structure","scheme":"ashland-amc"},"edition":"2025","url":"https://ashlandoregon.gov/DocumentCenter/View/3796/PLANT_LIST_PROHIBITED_BW_2025","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"firesmart-bc","verdict":"recommend","verdictRaw":"FireSmart-approved fire-resistant plant","claims":"Flagged by FireSmart BC as needing more research.","original":"pnw-590","url":"https://firesmartbc.ca/landscaping-hub/fire-resistant-plants/","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"firesafe-marin","verdict":"recommend","verdictRaw":"listed as fire-resistant","claims":"Fire Safe Marin lists this taxon among fire-resistant plants common to Marin County.","condition":"irrigated","edition":"2019","url":"https://firesafemarin.org/wp-content/uploads/2021/08/FIRESafe-MARIN_plant-list_2019.pdf","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"unr-compilation-good-plant-choices","verdict":"recommend","verdictRaw":"listed by at least two cited sources","claims":"Compilation marks: CSU 6.305, MT200101AG, USU NR/FF/002.","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":"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. Source table name: Lavandula species.","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":"fernandes-2020-selective-shrub-mgmt","verdict":"avoid","verdictRaw":"Control","claims":"Table 2 places this genus in the Control column. The authors describe the control group as heliophilous vegetation associated with fine fuels and traits linked to faster combustibility or greater flammability; this is a selective fuel-band management decision, not a global prohibition.","plantPart":"whole-plant","sourcePlacement":{"value":"selectively control in fuel-management bands in mainland Portugal","scheme":"portugal-selective-fuel-band-control"},"edition":"Fire 3(4), article 65","url":"https://doi.org/10.3390/fire3040065","documentDate":"2020-11-10T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"girona-pirojardineria-2020","verdict":"recommend","verdictRaw":"MUY RECOMENDADA","claims":"Lavandula spp. is rated “MUY RECOMENDADA” by the guide's qualitative IUF garden-suitability method. The method assumes species-specific care and integrates fire evidence with fuel structure, maintenance, origin, invasiveness, and expert fire-service experience.","sourcePlacement":{"value":"suitable inside or outside the 25-metre maximum-risk zone","scheme":"girona-2020-iuf-25m-suitability"},"edition":"2020 Spanish edition","url":"https://interior.gencat.cat/web/.content/home/030_arees_dactuacio/bombers/foc_forestal/publicacions_tecniques_i_normativa/guies_tecniques/prevencio_i_extincio/2020_Guia_de_pirojardineria_es.pdf","documentDate":"2020-01-01T00:00:00.000Z","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 Lavandula spp. as Lavender, many spp.. The profile prints USDA Hardiness Zone: Varies by species.","plantPart":"whole-plant","sourcePlacement":{"value":"Lavender, many spp. profile (PDF page 61)","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 Lavender profile prints Lavandula species. The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Lavender — Lavandula spp.","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":"yavapai-34","verdict":"recommend","verdictRaw":"Fire-Resistant Plants","claims":"Listed as Lavender — Lavandula sp.. The bulletin says fire-resistant plants tend to resist ignition when irrigated and maintained, while fire-prone plants may ignite readily and burn intensely.","plantPart":"whole-plant","edition":"v1.2","url":"https://www.extension.arizona.edu/sites/default/files/2025-03/FirewisePlants3-14-2025.pdf","documentDate":"2025-03-14T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"mdfs-firewise-landscaping-plants","verdict":"recommend","verdictRaw":"relatively resistant to fire","claims":"Listed as Lavandula spp. (Lavender). The source says listed species exhibit stronger resistance to ignition by wildfires. Source comments: Prefers full sun","plantPart":"whole-plant","sourcePlacement":{"value":"Herbaceous Annuals and Perennials","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":"greece-property-fire-regulation-2023","verdict":"recommend","verdictRaw":"παθητικά πυρίμαχα φυτά τα οποία είναι ανθεκτικά στη φωτιά — Λεβάντα","claims":"The regulation names this plant group among its examples of passive fire-resistant plants that are resistant to fire.","plantPart":"whole-plant","sourcePlacement":{"value":"section 5.4.2, paragraph following Table 2δi","scheme":"greece-2023-fire-resistant-examples"},"edition":"FEK B 3475/2023","url":"https://www.elinyae.gr/ethniki-nomothesia/ya-oik-ypendaoka5590420192023-fek-3475b-2452023","documentDate":"2023-05-24T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"majority","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":["ID","OR","WA"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["ID","OR","WA"]},"provenance":"legacy-field"}],"usdaZoneMin":"4a","usdaZoneMax":"8b","hardinessAssertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Lavender","sourceTaxon":"Lavandula spp.","taxonMatch":"exact","sourcePlacement":"Lavender profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Lavender","sourceTaxon":"Lavandula spp.","taxonMatch":"exact","sourcePlacement":"Lavender profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"perennials:Lavender","sourceTaxon":"Lavandula spp.","taxonMatch":"exact","sourcePlacement":"Lavender profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"ashland-prohibited","sourceName":"Prohibited Flammable Plants (Ashland Municipal Code 9.04)","sourceUrl":"https://ashlandoregon.gov/323/Prohibited-Flammable-Plants","geography":{"grain":"aggregate-region","stateCodes":["OR"],"regions":["City of Ashland"]},"completeness":"partial","reviewStatus":"reviewed","scope":"This is a City of Ashland adoption fact, not statewide Oregon guidance or an experimental flammability result. FireApproved publishes 24 taxonomy-safe owners as city-level regulatory context. It applies to new planting and propagation within 30 feet of structures, including structures on adjacent lots; it is not projected as a blanket removal order for every established listed plant.","sourceVersion":"Ashland-Prohibited-Flammable-Plants-2025","asOf":"2026-08-26T00:00:00.000Z"},{"source":"firesafe-marin","sourceName":"Fire-Resistant Plants Common to Marin County","sourceUrl":"https://firesafemarin.org/wp-content/uploads/2021/08/FIRESafe-MARIN_plant-list_2019.pdf","geography":{"grain":"aggregate-region","stateCodes":["CA"],"regions":["Marin County"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The publication is explicitly limited to plants common to Marin County. FireApproved publishes 104 exact owners as Marin regional context while retaining its placement, spacing, irrigation, and maintenance boundary. It is not statewide California guidance or parcel suitability.","sourceVersion":"Fire-Safe-Marin-plant-list-2019","asOf":"2019-01-01T00:00:00.000Z"},{"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-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":"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":"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":"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"},{"source":"yavapai-34","sourceName":"Fire-Resistant and Fire-Prone Plants Common to Yavapai County (Bulletin 34)","sourceUrl":"https://www.extension.arizona.edu/sites/default/files/2025-03/FirewisePlants3-14-2025.pdf","geography":{"grain":"aggregate-region","stateCodes":["AZ"],"regions":["Yavapai County"]},"completeness":"partial","reviewStatus":"reviewed","scope":"University of Arizona Cooperative Extension authors Bulletin 34 for Yavapai County. FireApproved publishes 198 exact source owners from its resistant and prone tables and keeps the county boundary visible. County publication scope is regional Arizona context, never statewide scope.","sourceVersion":"UA-Yavapai-Bulletin-34-v1.2-2025-03-14","asOf":"2025-03-14T00:00:00.000Z"}],"firePerformanceConditions":[{"condition":"irrigated","evidence":[{"source":"firesafe-marin","verdict":"recommend","url":"https://firesafemarin.org/wp-content/uploads/2021/08/FIRESafe-MARIN_plant-list_2019.pdf","claims":"Fire Safe Marin lists this taxon among fire-resistant plants common to Marin County.","evidenceIndex":3}]}],"maintenanceAssertions":[{"practice":"pruning","statement":"Prune lavender annually to maintain plant health and flowering.","source":"osu-em-9103","sourcePlacement":"Lavender, many species profile","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"}],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"4","usdaZoneMax":"8"},"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."}