{"id":"eupatorium-coelestinum","license":"CC-BY-4.0","data":{"scientificName":"Eupatorium coelestinum","commonNames":["Mistflower"],"taxonRank":"species","acceptedName":"Eupatorium coelestinum","family":"Asteraceae","ids":{"usdaSymbol":"COCO13","gbifKey":7400732,"itisTsn":502504,"wikidataQid":"Q15531151"},"usdaZoneMin":"5b","zoneSource":"usda-plants","states":["AL","AR","DC","DE","FL","GA","IL","IN","KS","KY","LA","MD","MI","MO","MS","NC","NE","NJ","NY","OH","OK","PA","SC","TN","TX","VA","WV"],"nativeStates":["NC"],"hardinessAssertions":[{"minimum":"5","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"exact","sourcePlacement":"Mistflower profile (PDF page 68)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"5b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-13,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COCO13","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 33849, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"perennial","matureHeightFt":3.2,"waterNeed":"moderate","photo":{"file":"/images/plants/eupatorium-coelestinum.jpg","sourceUrl":"https://www.inaturalist.org/photos/572409746","observationUrl":"https://www.inaturalist.org/observations/316807679","license":"cc-by","attribution":"(c) Michael J. Papay, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"bardon-2005","verdict":"recommend","verdictRaw":"Low flammability rating","edition":"2005","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":"osu-em-9103","verdict":"recommend","verdictRaw":"fire-resistant plants that thrive in Willamette Valley growing conditions","claims":"The perennials profile lists Eupatorium coelestinum as Mistflower. The profile prints USDA Hardiness Zone: 5–10.","plantPart":"whole-plant","sourcePlacement":{"value":"Mistflower profile (PDF page 68)","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"}],"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":["AL","AR","DC","DE","FL","GA","IL","IN","KS","KY","LA","MD","MI","MO","MS","NC","NE","NJ","NY","OH","OK","PA","SC","TN","TX","VA","WV"],"nativeStates":["NC"],"rangeAssertions":[{"relation":"native","geography":{"grain":"state","stateCodes":["NC"]},"provenance":"legacy-field"},{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AL","AR","DC","DE","FL","GA","IL","IN","KS","KY","LA","MD","MI","MO","MS","NC","NE","NJ","NY","OH","OK","PA","SC","TN","TX","VA","WV"]},"provenance":"legacy-field"}],"usdaZoneMin":"5b","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"5","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"exact","sourcePlacement":"Mistflower profile (PDF page 68)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-13,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COCO13","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 33849, 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":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"exact","sourcePlacement":"Mistflower profile (PDF page 68)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"5b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-13,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"COCO13","sourceTaxon":"Eupatorium coelestinum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 33849, 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":"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-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"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["NC"],"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."}