Index / Search / Thinopyrum intermedium
§1 Plant
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey
vernacular intermediate wheatgrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Thinopyrum
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Introduced
§2b
County-level range
· 28 counties across 1 state§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Low
- Fire
- High
- Salinity
- Medium
- Anaerobic
- Low
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 12–30 in/yr
- pH range
- 5.6–8.4
- Root depth
- 16 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Rapid
- Lifespan
- Moderate
- Mature height
- 3 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- High
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 80,080
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 28 counties across 1 state.
Montana view state ↗ 28 I ▾
- Beaverhead 30001
- Big Horn 30003
- Broadwater 30007
- Chouteau 30015
- Custer 30017
- Daniels 30019
- Flathead 30029
- Hill 30041
- Judith Basin 30045
- Lake 30047
- Lewis and Clark 30049
- Madison 30057
- Meagher 30059
- Mineral 30061
- Missoula 30063
- Park 30067
- Phillips 30071
- Pondera 30073
- Powder River 30075
- Prairie 30079
- Ravalli 30081
- Rosebud 30087
- Sanders 30089
- Stillwater 30095
- Teton 30099
- Valley 30105
- Wibaux 30109
- Yellowstone 30111
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/THIN6 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2704161 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T18:27:19Z