{"id":"crataegus-viridis-winter-king","license":"CC-BY-4.0","data":{"scientificName":"Crataegus viridis 'Winter King'","commonNames":["Winter King green hawthorn"],"taxonRank":"species","acceptedName":"Crataegus viridis","family":"Rosaceae","ids":{"usdaSymbol":"CRVI2","gbifKey":3014089,"itisTsn":24612,"wikidataQid":"Q2084514","inatTaxonId":127068},"usdaZoneMin":"5a","zoneSource":"fps-2016","states":["AL","AR","DC","DE","FL","GA","IL","IN","KS","KY","LA","MD","MO","MS","NC","NJ","OH","OK","PA","SC","TN","TX","VA","WV"],"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":"crataegus-viridis-winter-king","sourceTaxon":"Crataegus viridis 'Winter King'","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"CRVI2","sourceTaxon":"Crataegus viridis 'Winter King'","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 89605, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","matureHeightFt":25,"sun":"full","waterNeed":"high","photo":{"file":"/images/plants/crataegus-viridis-winter-king.jpg","sourceUrl":"https://www.inaturalist.org/photos/495500210","observationUrl":"https://www.inaturalist.org/observations/275823903","license":"cc0","attribution":"no rights reserved","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"fps-eastern-us","verdict":"recommend","verdictRaw":"Firewise (1)","claims":"Good street tree-inter-city adaptable-no thorns-attracts birds -odoriferous flowers.","sourcePlacement":{"value":"LZ2","scheme":"fps-landscape-zone"},"edition":"2016-wayback","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"osu-b921","verdict":"recommend","verdictRaw":"L flammability","claims":"Disease tolerant; moderate service-life; subject to windthrow; lightly armed.","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":"nc-plant-toolbox","verdict":"recommend","verdictRaw":"low flammability","claims":"NC Toolbox facet capture lists \"Crataegus viridis\" under the low flammability tag.","plantPart":"whole-plant","sourcePlacement":{"value":"crataegus-viridis","scheme":"nc-toolbox-flammability-facet"},"edition":"live facet capture accessed 2026-08-23","url":"https://plants.ces.ncsu.edu/plants/crataegus-viridis/","accessedOn":"2026-08-23T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"limited-evidence","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","MO","MS","NC","NJ","OH","OK","PA","SC","TN","TX","VA","WV"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AL","AR","DC","DE","FL","GA","IL","IN","KS","KY","LA","MD","MO","MS","NC","NJ","OH","OK","PA","SC","TN","TX","VA","WV"]},"provenance":"legacy-field"}],"usdaZoneMin":"5a","usdaZoneMax":null,"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":"crataegus-viridis-winter-king","sourceTaxon":"Crataegus viridis 'Winter King'","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":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"CRVI2","sourceTaxon":"Crataegus viridis 'Winter King'","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 89605, 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":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"CRVI2","sourceTaxon":"Crataegus viridis 'Winter King'","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 89605, 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":"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":"crataegus-viridis-winter-king","sourceTaxon":"Crataegus viridis 'Winter King'","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":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"CRVI2","sourceTaxon":"Crataegus viridis 'Winter King'","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 89605, 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":"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"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"4b"},"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."}