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Hosta lily

Hosta · Asparagaceae

Your local evidence lens

Separate evidence questions, never one approval badge

Set a ZIP to compare this record with state distribution, native range, USDA hardiness, and invasive records.

A genus split is not a placement verdict. Set a ZIP to read the local documented split.

1. Fire evidence and conditions

Fire evidence: Fire-resistant — location does not change the cited classification.
Fire-performance conditions: 1 condition stated in cited fire-evidence rows.
Fire ecology context: No section-reviewed fire-ecology context is normalized.
Placement evidence: 9 source placement records; source schemes remain separate.
Evidence regions: Alaska; British Columbia; Colorado / Rocky Mountain Front Range; Maryland, New Jersey, and West Virginia; Michigan / Great Lakes; OR/WA/ID; Ohio / Midwest; Oregon; Oregon (Willamette Valley); Pacific Northwest (Oregon / Washington / Idaho); Yavapai County, Arizona; northeastern Minnesota; southern Idaho / Intermountain; western WA
Maintenance: No sourced horticultural maintenance assertion is normalized; fire-test conditions do not supply maintenance advice.

Typed publication scope: 13 scopes across 11 cited fire sources

Protect Your Home from Wildfire — Fire Resistant Vegetation and Landscaping · Official scoped edition
- AK; partial normalized coverage · 2005-04-27
  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.
Ignition-Resistant Landscape Plants (Fact Sheet 6.305) · Official scoped edition
- CO; partial normalized coverage · 2025-07-01
  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.
Landscaping for Wildfire Defensible Space in Northeastern Minnesota (Firewise) · Official scoped edition
- Northeastern Minnesota (MN footprint); partial normalized coverage · 2017-01-01
  Dovetail applies the UF/IFAS flammability key to northeastern Minnesota natives and publishes placement for 38 exact source owners. FireApproved exposes those rows only as northeastern Minnesota regional context and preserves the 3-to-30-foot versus beyond-30-foot source placement.
Fire Resistance of Plants Master Database · Official scoped edition
- Southern Idaho (ID footprint); partial normalized coverage · 2013-11-08
  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.
Firewise Plants for the Puget Sound Basin · Official scoped edition
- Puget Sound Basin (WA footprint); partial normalized coverage · 2011-01-01
  King County's current wildfire page links this list for the Puget Sound Basin. FireApproved publishes 82 exact source owners as basin context, not statewide Washington guidance or a site-specific recommendation.
Firewise Landscaping Plants (Maryland, New Jersey, and West Virginia editions) · Official scoped edition
- MD; partial normalized coverage · 2015-01-08
  Maryland Forest Service says the list contains plants that can be grown in Maryland and identifies Maryland natives. FireApproved publishes 169 exact source owners from the 180 printed rows; an unrepresentable form and duplicate-owner rows are not broadened. The list calls itself non-comprehensive and does not establish suitability for every Maryland site.
- NJ; partial normalized coverage
  New Jersey DEP publishes a state edition saying the listed plants can be grown in New Jersey and are relatively resistant to fire. Its same 180 printed taxon occurrences map to the 169 conservative owners already normalized for the template family. The list is non-comprehensive and does not establish suitability for every New Jersey site or override the Pinelands Commission's separate placement and fuel-break rules.
- WV; partial normalized coverage · 2026-08-26
  West Virginia Division of Forestry publishes a state edition saying the listed plants can be grown in West Virginia and are relatively resistant to fire. Its same 180 printed taxon occurrences map to the 169 conservative owners already normalized for the template family. The list is non-comprehensive and provides no comparative or site-specific rating.
Wildfire-resistant Landscape Plants for Michigan (Extension Bulletin E2948) · Official scoped edition
- MI; partial normalized coverage · 2007-01-01
  Michigan State University Extension Bulletin E2948 is explicitly a list of wildfire-resistant landscape plants for Michigan and includes a Michigan-native field. FireApproved publishes 221 exact GBIF owners from 226 represented source rows and holds 15 complex or non-exact rows. This dated publication scope is not a current site-suitability determination.
Firewise Landscaping (OSU Extension Bulletin 921) · Official scoped edition
- OH; partial normalized coverage · 2006-03-01
  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.
Fire-resistant Landscape Plants for the Willamette Valley (EM 9103) · Official scoped edition
- Willamette Valley (OR footprint); partial normalized coverage · 2015-02-01
  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.
Fire-Resistant Plants for Home Landscapes (PNW 590) · Official scoped edition
- ID, OR, WA; partial normalized coverage · 2023-10-01
  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.
Fire-Resistant and Fire-Prone Plants Common to Yavapai County (Bulletin 34) · Official scoped edition
- Yavapai County (AZ footprint); partial normalized coverage · 2025-03-14
  University of Arizona Cooperative Extension authors Bulletin 34 for Yavapai County. FireApproved publishes 198 exact source owners from its resistant and prone tables and keeps the county boundary visible. County publication scope is regional Arizona context, never statewide scope.

2. Why this plant is relevant here

State distribution: Documented in ID, OR, WA.
Native range: No current cited or legacy state native range is normalized.
Introduced / established: No introduced or established row is normalized; that does not prove native status.
USDA hardiness: 4 applicable cited hardiness statements overlap but have different boundaries; compare each complete source row.

3. Legal, ecological, and broader status

Legal-list status: Set a location for an exact legal-list result; source silence is not clearance.
Seed-list status: Set a location to compare the separate state noxious-weed seed layer.
Reported invasive here: No ecological invasive report is normalized; that does not prove noninvasiveness.
Broader regional context: Aggregate AK, HI, and L48 evidence is shown only as regional context, never as an exact-state finding.
Federal context: Federal designations remain separate from state legal-list results.

How to read this page

The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.

Hosta lily (Hosta) — Photo: (c) Morten Ross, some rights reserved (CC BY) (CC BY), via iNaturalist. Species-typical, not necessarily this cultivar.

Form: perennial
USDA hardiness: Applicable source statements overlap but have different boundaries; compare each source
Grows in: ID, OR, WA
Rated in: Alaska; British Columbia; Colorado / Rocky Mountain Front Range; Maryland, New Jersey, and West Virginia +10
Family: Asparagaceae
Evidence: 14 cited sources

Plant hardiness evidence

These values describe the plant source. Your ZIP zone comes from the separate 2023 USDA Plant Hardiness Zone Map. Whole-zone values stay whole-zone, and a single unresolved value is not treated as a tolerance range. Different source boundaries stay separate: overlapping statements are compared independently, while only ranges with no shared zone are called a conflict.

Landscaping for Wildfire Defensible Space in Northeastern Minnesota (Firewise) · record table-2-row-30 · 2017 · as of 2026-08-26

3–9 explicit range · whole zone precision · source stated

Source taxon: Hosta spp. · exact match.

Source location: Table 2 row 30, Hardiness Zones column.
Wildfire-resistant Landscape Plants for Michigan (Extension Bulletin E2948) · record groundcover:Hosta spp. · New, January 2007 · as of 2026-08-26

3–9 explicit range · whole zone precision · source stated

Source taxon: Hosta spp. · exact match.

Source location: Table 1, groundcover row.
Fire-resistant Landscape Plants for the Willamette Valley (EM 9103) · EM 9103, February 2015 · as of 2026-08-26

3–9 explicit range · whole zone precision · source stated

Source taxon: Hosta spp. · exact match.

Source location: Hosta profile (PDF page 53).
Fire-Resistant Plants for Home Landscapes (PNW 590) · record perennials:Hosta lily · 2023-10 · as of 2026-08-26

3–8 explicit range · whole zone precision · source stated

Source taxon: Hosta spp. · exact match.

Source location: Hosta lily profile, USDA hardiness zones field.

Conditions in the fire evidence

These describe tested or rated plant material. They are not horticultural maintenance instructions.

green: Fire-Resistant Plants for Oregon Home Landscapes evidence row

Where its sources say to plant it

Placement rules below use each source's own distances or named zones, tied to its rating. They are not interchangeable with the directory's current Zone 0 guidance.

Fire Resistance of Plants Master Database: plantable at 30' from home [Idaho minimum planting distance] (with its recommendation)
Landscaping for Wildfire Defensible Space in Northeastern…: plantable 3-30 ft from a building [Dovetail Partners planting distance] (with its recommendation)
FireSmart BC Plant Program: suitable for HIZ intermediate zone (10-30 m) [FireSmart BC Home Ignition Zone] (with its recommendation)
Fire-Resistant Plants for Oregon Home Landscapes: Oregon [osu-frn6-oregon-regions] (with its recommendation)
Fire-resistant Landscape Plants for the Willamette Valley: Hosta profile (PDF page 53) [osu-em-9103-profile] (with its recommendation)
Fire-resistant plant profile galleries: Hosta lily — Hosta spp. [osu-2023-perennials-gallery] (with its recommendation)
Ignition-Resistant Landscape Plants: suitable for defensible-space zones 1-2 (score 8+) [CSU defensible-space zone] (with its recommendation)
Protect Your Home from Wildfire: Ground covers and perennials [Alaska DNR brochure sections] (with its recommendation)
Firewise Landscaping Plants: Ground Covers [Maryland Firewise plant-form tables] (with its recommendation)

The evidence

Grouped by what each source concluded. Primary evidence rated the plant itself (a lab, field program, or original curation); corroboration compiled or republished another source's rating and resolves to its root lineage.

Last verified 2026-08-23. JSON (CC BY 4.0)

Profiles: USDA PLANTS · GBIF · iNaturalist · Wikidata · ITIS

Hosta (Hosta lily). FireApproved. https://fireapproved.com/plants/hosta/. Last verified 2026-08-23.