Current native
35
exact source areas
Home / Plants / Grow / Tufted hairgrass
Tufted hairgrass
Deschampsia cespitosa
Your local evidence lens
Separate evidence questions, never one approval badge
A genus split is not a placement verdict. Set a ZIP to read the local documented split.
1. Fire evidence and conditions
- Fire evidence
- Mixed evidence — location does not change the cited classification.
- Fire-performance conditions
- No test or rating condition is normalized.
- Fire ecology context
- No section-reviewed fire-ecology context is normalized.
- Placement evidence
- 1 source placement record; source schemes remain separate.
- Evidence regions
- Lake Tahoe Basin, Nevada and California
- Maintenance
- No sourced horticultural maintenance assertion is normalized; fire-test conditions do not supply maintenance advice.
Typed publication scope: 1 scope across 1 cited fire source
2. Why this plant is relevant here
- State distribution
- Documented in AK, AZ, CA, CO, CT, ID, IL, IN, KY, MA, MD, ME, MI, MN, MT, NC, ND, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, UT, VA, VT, WA, WI, WV, WY.
- Native range
- Current cited native range in AK, AZ, CA, CO, CT, ID, IL, IN, KY, MA, MD, ME, MI, MN, MT, NC, ND, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, UT, VA, VT, WA, WI, WV, WY.
- Introduced / established
- 2 sourced range or established records; set a location to match them. This is not an invasive warning.
- USDA hardiness
- Documented minimum 3a; no upper limit is documented.
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.
- Form
- grass
- USDA hardiness
- Minimum 3a; upper limit not documented
- Mature height
- ~3 ft
- Water need
- high
- Current cited native range
- AK, AZ, CA, CO, CT, ID, IL, IN, KY, MA, MD, ME, MI, MN, MT, NC, ND, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, UT, VA, VT, WA, WI, WV, WY
- Grows in
- AK, AZ, CA, CO, CT, ID, IL, IN +26
- Rated in
- Lake Tahoe Basin, Nevada and California
- Family
- Poaceae
- Evidence
- 1 cited source
Native and introduced range evidence
These are exact U.S. botanical-area records from the cited range source. Native and introduced describe biogeographic relationship, not fire performance or planting approval. Doubtful and extinct rows stay visible but do not count as current presence.
Current introduced
1
exact source area
Qualified
0
doubtful or extinct source rows
35 native source areas
- Aleutian Is. (AK)
- Alaska (AK)
- Arizona (AZ)
- California (CA)
- Colorado (CO)
- Connecticut (CT)
- Idaho (ID)
- Illinois (IL)
- Indiana (IN)
- Kentucky (KY)
- Massachusetts (MA)
- Maryland (MD)
- Maine (ME)
- Michigan (MI)
- Minnesota (MN)
- Montana (MT)
- North Carolina (NC)
- North Dakota (ND)
- New Hampshire (NH)
- New Jersey (NJ)
- New Mexico (NM)
- Nevada (NV)
- New York (NY)
- Ohio (OH)
- Oregon (OR)
- Pennsylvania (PA)
- Rhode I. (RI)
- South Dakota (SD)
- Utah (UT)
- Virginia (VA)
- Vermont (VT)
- Washington (WA)
- Wisconsin (WI)
- West Virginia (WV)
- Wyoming (WY)
1 introduced source area
- Hawaii (HI)
Plant hardiness evidence
-
USDA PLANTS Database — Plant Characteristics
Minimum 3a · no upper limit documented
Where its sources say to plant it
- Home Landscaping Guide for Lake Tahoe and Vicinity: Fire Hazard column: low
The evidence
Recommends (1)
-
Home Landscaping Guide for Lake Tahoe and Vicinity (Ed. Bulletin 06-01)
“low — Tufted hairgrass — Deschampsia cespitosa”
Table 1's Fire Hazard column prints “low” for this taxon. The guide calls the rating a rough estimate of potential flammability, not a result of scientific trials. Its footnote says plants that turn brown often become high fire hazards and tells readers to mow grasses and forbs when they begin to turn brown.
