{"id":"spiraea-betulifolia","license":"CC-BY-4.0","data":{"scientificName":"Spiraea betulifolia","commonNames":["Spirea"],"taxonRank":"species","acceptedName":"Spiraea betulifolia","family":"Rosaceae","ids":{"usdaSymbol":"SPBE2","gbifKey":3026550},"usdaZoneMin":"3a","zoneSource":"usda-plants","states":["ID","MN","MT","NC","OR"],"hardinessAssertions":[{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-38,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SPBE2","sourceTaxon":"Spiraea betulifolia","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 91792, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"shrub","matureHeightFt":3,"waterNeed":"high","evidence":[{"source":"ak-dof-fire-resistant-vegetation-2005","verdict":"recommend","verdictRaw":"Following are a few of the plants that may be used in firewise landscapes in Alaska if placed and maintained appropriately.","claims":"Listed as Spirea — S. betulifolia; the source conditions these examples on appropriate placement and maintenance.","plantPart":"whole-plant","sourcePlacement":{"value":"Shrubs","scheme":"Alaska DNR brochure sections"},"edition":"April 2005","url":"https://forestry.alaska.gov/Assets/pdfs/community/publications/05FireResistVeg.pdf","documentDate":"2005-04-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"mixed-evidence","ratingReason":"limited-evidence","recommendation":"candidate","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-25T00:00:00.000Z"},"localAssessmentInputs":{"stateDistribution":["ID","MN","MT","NC","OR"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["ID","MN","MT","NC","OR"]},"provenance":"legacy-field"}],"usdaZoneMin":"3a","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-38,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SPBE2","sourceTaxon":"Spiraea betulifolia","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 91792, 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":"selected","assertion":{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-38,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SPBE2","sourceTaxon":"Spiraea betulifolia","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 91792, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-38,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SPBE2","sourceTaxon":"Spiraea betulifolia","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 91792, 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":"mixed-evidence","recommendation":"candidate","fireSourceScopes":[{"source":"ak-dof-fire-resistant-vegetation-2005","sourceName":"Protect Your Home from Wildfire — Fire Resistant Vegetation and Landscaping","sourceUrl":"https://forestry.alaska.gov/Assets/pdfs/community/publications/05FireResistVeg.pdf","geography":{"grain":"state","stateCodes":["AK"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Alaska Division of Forestry opens with the wildfire threat to Alaskans and publishes Alaska firewise-landscape examples. FireApproved publishes 58 exact source owners from its 60 taxon entries and holds the taxon-free fern label. State publication scope does not establish suitability for every Alaska climate, site, or home-ignition-zone placement.","sourceVersion":"Alaska-DOF-Fire-Resistant-Vegetation-2005-04-27","asOf":"2005-04-27T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"3a"},"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."}