{"id":"delosperma","license":"CC-BY-4.0","data":{"scientificName":"Delosperma","commonNames":["Iceplant"],"taxonRank":"genus","acceptedName":"Delosperma","family":"Aizoaceae","ids":{"usdaSymbol":"DELOS","gbifKey":3084874,"itisTsn":500847,"wikidataQid":"Q134423","inatTaxonId":72090},"states":["ID","OR","WA"],"hardinessAssertions":[{"minimum":"4","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"groundcovers:Iceplant","sourceTaxon":"Delosperma spp.","taxonMatch":"exact","sourcePlacement":"Iceplant profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"groundcover","photo":{"file":"/images/plants/delosperma.jpg","sourceUrl":"https://www.inaturalist.org/photos/162331455","observationUrl":"https://www.inaturalist.org/observations/97643161","license":"cc-by","attribution":"(c) Matt Berger, 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":"idaho-firewise-master-db","verdict":"recommend","verdictRaw":"fire-resistance score 10 of 10","score":{"value":10,"scale":"idaho-0-10"},"sourcePlacement":{"value":"plantable at 10' from home","scheme":"idaho-distance"},"url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","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: UCFPL 1997, CSU 6.305, UI Bulletin 67, 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":"osu-plant-profile-galleries","verdict":"recommend","verdictRaw":"Choose the right groundcover plants for your fire-resistant landscape","claims":"The Iceplant profile prints Delosperma species. The gallery points to PNW 590 for complete details.","plantPart":"whole-plant","sourcePlacement":{"value":"Iceplant — Delosperma spp.","scheme":"osu-2023-groundcovers-gallery"},"edition":"November 2023 educational gallery","url":"https://extension.oregonstate.edu/gallery/fire-resistant-plant-profiles-groundcovers","documentDate":"2023-11-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"csu-6305","verdict":"recommend","verdictRaw":"ignitability score 10 of 10","score":{"value":10,"scale":"idaho-0-10"},"claims":"CSU 6.305 table lists Delosperma spp. (ice plant) with the preserved ignitability score.","plantPart":"whole-plant","sourcePlacement":{"value":"suitable for defensible-space zones 1-2 (score 8+)","scheme":"csu-hiz"},"original":"idaho-firewise-master-db","edition":"2025","url":"https://csfs.colostate.edu/wp-content/uploads/2025/08/CSFS_CSU-Ext_Fact-Sheets_IRLP_2025_081825-2_web_accessible.pdf","documentDate":"2025-07-01T00:00:00.000Z","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"radtke-1983-psw-gtr-067","verdict":"recommend","verdictRaw":"Generally high — Ice plants (Delosperma species)","claims":"Table 5 rates this low-growing southern California landscape entry by fuel volume, inherent plant flammability, and ease of fire spread.","plantPart":"whole-plant","edition":"General Technical Report PSW-67","url":"https://research.fs.usda.gov/download/treesearch/28923.pdf","documentDate":"1983-09-01T00:00:00.000Z","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":["ID","OR","WA"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["ID","OR","WA"]},"provenance":"legacy-field"}],"usdaZoneMin":null,"usdaZoneMax":null,"hardinessAssertions":[{"minimum":"4","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"groundcovers:Iceplant","sourceTaxon":"Delosperma spp.","taxonMatch":"exact","sourcePlacement":"Iceplant profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"4","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"groundcovers:Iceplant","sourceTaxon":"Delosperma spp.","taxonMatch":"exact","sourcePlacement":"Iceplant profile, USDA hardiness zones field","sourceVersion":"2023-10","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"4","maximum":"10","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"pnw-590","sourceRecordId":"groundcovers:Iceplant","sourceTaxon":"Delosperma spp.","taxonMatch":"exact","sourcePlacement":"Iceplant 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":"csu-6305","sourceName":"Ignition-Resistant Landscape Plants (Fact Sheet 6.305)","sourceUrl":"https://csfs.colostate.edu/wp-content/uploads/2025/08/CSFS_CSU-Ext_Fact-Sheets_IRLP_2025_081825-2_web_accessible.pdf","geography":{"grain":"state","stateCodes":["CO"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Colorado State University Extension and the Colorado State Forest Service publish Fact Sheet 6.305 for Colorado's WUI and varied ecosystems. FireApproved exposes all 114 exact source owners at Colorado publication scope while retaining score, elevation, water, and Idaho-carrier lineage. Publication scope is not suitability for every Colorado site or zone.","sourceVersion":"CSFS-CSU-Fact-Sheet-6.305-2025-07","asOf":"2025-07-01T00:00:00.000Z"},{"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":"idaho-firewise-master-db","sourceName":"Fire Resistance of Plants Master Database","sourceUrl":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","geography":{"grain":"aggregate-region","stateCodes":["ID"],"regions":["Southern Idaho"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The official database labels itself \"For Southern Idaho\" and describes Idaho residents at the urban-rangeland interface. FireApproved publishes 419 existing plant owners that cite its scored rows. This bounded Southern Idaho scope is regional context, not statewide coverage or a conclusion that the score transfers unchanged to every Idaho site.","sourceVersion":"Idaho-Firewise-Southern-Idaho-Master-2013-11-08","asOf":"2013-11-08T00:00:00.000Z"},{"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"}],"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":2}]}],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"4","usdaZoneMax":"10"},"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."}