{"id":"acer-x-freemanii","license":"CC-BY-4.0","data":{"scientificName":"Acer x freemanii","commonNames":["Freeman maple"],"taxonRank":"species","acceptedName":"Acer freemanii","family":"Sapindaceae","ids":{"gbifKey":7379930},"usdaZoneMin":"5a","zoneSource":"fps-2016","states":["DC","DE","MD","NJ","OH","PA","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":"acer-x-freemanii","sourceTaxon":"Acer x freemanii","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Red maple","sourceTaxon":"Acer x freemanii","taxonMatch":"exact","sourcePlacement":"Red maple profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","matureHeightFt":50,"sun":"full","photo":{"file":"/images/plants/acer-x-freemanii.jpg","sourceUrl":"https://www.inaturalist.org/photos/399533933","observationUrl":"https://www.inaturalist.org/observations/225354937","license":"cc-by","attribution":"(c) Andrew Sebastian, some rights reserved (CC BY)","fetchedOn":"2026-08-24T00:00:00.000Z"},"evidence":[{"source":"fps-eastern-us","verdict":"mixed","verdictRaw":"MODERATELY Firewise (2)","claims":"Characteristics of silver maple but stronger structure and branching habit. Has winter bark splitting.","sourcePlacement":{"value":"LZ3","scheme":"fps-landscape-zone"},"edition":"2016-wayback","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"osu-b921","verdict":"recommend","verdictRaw":"L flammability","claims":"Urban tolerant; disease resistant; long-lived; pH tolerant.","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":"osu-plant-profile-galleries","verdict":"recommend","verdictRaw":"Choose the right trees for your fire-resistant landscape","claims":"The Red maple profile prints Acer rubrum or Acer x freemanii (red maple hybrids). The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Red maple — Acer x freemanii","scheme":"osu-2023-trees-gallery"},"edition":"November 2023 educational gallery","url":"https://extension.oregonstate.edu/gallery/fire-resistant-plant-profiles-trees","documentDate":"2023-11-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"canberra-plant-selector","verdict":"recommend","verdictRaw":"Fire Retardant — Yes — Acer x freemanii 'Autumn Blaze'","claims":"The live Canberra Plant Selector marks “Acer x freemanii 'Autumn Blaze'” as “Fire Retardant: Yes.”","plantPart":"whole-plant","sourcePlacement":{"value":"filtered result page 12","scheme":"canberra-selector"},"edition":"live tool capture 2026-08-25","url":"https://plantselector.com.au/browse-plants/?fire_retardant%5B0%5D=1","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 replaced 2026-08-24 (joint review; prior auto-pick was not a usable reference image); human-reviewed."},"localAssessmentInputs":{"stateDistribution":["DC","DE","MD","NJ","OH","PA","WV"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["DC","DE","MD","NJ","OH","PA","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":"acer-x-freemanii","sourceTaxon":"Acer x freemanii","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":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Red maple","sourceTaxon":"Acer x freemanii","taxonMatch":"exact","sourcePlacement":"Red maple profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Red maple","sourceTaxon":"Acer x freemanii","taxonMatch":"exact","sourcePlacement":"Red maple profile, USDA hardiness zones field","sourceVersion":"2023-10","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":"acer-x-freemanii","sourceTaxon":"Acer x freemanii","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":"3","maximum":"9","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"trees:Red maple","sourceTaxon":"Acer x freemanii","taxonMatch":"exact","sourcePlacement":"Red maple 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":"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":"3","usdaZoneMax":"9"},"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."}