Index / Search / Bromus hordeaceus ssp. hordeaceus
§1 Plant
Bromus hordeaceus L. ssp. hordeaceus
vernacular soft brome — subspecies · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Bromus
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- GL Greenland Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- SPM St. Pierre & Miquelon Introduced
§2b
County-level range
· 255 counties across 34 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- Medium
- Moisture use
- Medium
- Fire
- High
- Salinity
- Medium
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 17 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 12–20 in/yr
- pH range
- 5.5–8
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Rapid
- Mature height
- 2 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- 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
- Rapid
- Stratify
- No
- Seeds / lb
- 251,840
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 255 counties across 34 states/territories.
Arizona view state ↗ 5 I ▾
Arkansas view state ↗ 2 I ▾
California view state ↗ 32 I ▾
- Alameda 06001
- Butte 06007
- Calaveras 06009
- Colusa 06011
- Contra Costa 06013
- El Dorado 06017
- Glenn 06021
- Humboldt 06023
- Lake 06033
- Marin 06041
- Mariposa 06043
- Mendocino 06045
- Monterey 06053
- Napa 06055
- Nevada 06057
- Placer 06061
- Plumas 06063
- Riverside 06065
- Sacramento 06067
- San Benito 06069
- San Bernardino 06071
- San Diego 06073
- San Luis Obispo 06079
- Santa Barbara 06083
- Solano 06095
- Sonoma 06097
- Sutter 06101
- Tehama 06103
- Tulare 06107
- Tuolumne 06109
- Ventura 06111
- Yolo 06113
Colorado view state ↗ 1 I ▾
Delaware view state ↗ 1 I ▾
Idaho view state ↗ 18 I ▾
Illinois view state ↗ 4 I ▾
Indiana view state ↗ 2 I ▾
Kansas view state ↗ 3 I ▾
Kentucky view state ↗ 3 I ▾
Maine view state ↗ 2 I ▾
Massachusetts view state ↗ 11 I ▾
Michigan view state ↗ 8 I ▾
Minnesota view state ↗ 1 I ▾
Missouri view state ↗ 3 I ▾
Montana view state ↗ 14 I ▾
Nevada view state ↗ 7 I ▾
New Hampshire view state ↗ 2 I ▾
New Jersey view state ↗ 7 I ▾
New Mexico view state ↗ 1 I ▾
New York view state ↗ 5 I ▾
North Carolina view state ↗ 2 I ▾
North Dakota view state ↗ 2 I ▾
Ohio view state ↗ 2 I ▾
Oregon view state ↗ 34 I ▾
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Gilliam 41021
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Lincoln 41041
- Linn 41043
- Malheur 41045
- Marion 41047
- Morrow 41049
- Multnomah 41051
- Polk 41053
- Sherman 41055
- Tillamook 41057
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
- Yamhill 41071
Pennsylvania view state ↗ 12 I ▾
Rhode Island view state ↗ 2 I ▾
South Dakota view state ↗ 1 I ▾
Tennessee view state ↗ 4 I ▾
Utah view state ↗ 10 I ▾
Virginia view state ↗ 12 I ▾
Washington view state ↗ 34 I ▾
- Adams 53001
- Asotin 53003
- Benton 53005
- Chelan 53007
- Clallam 53009
- Clark 53011
- Columbia 53013
- Cowlitz 53015
- Ferry 53019
- Garfield 53023
- Grays Harbor 53027
- Island 53029
- Jefferson 53031
- King 53033
- Kitsap 53035
- Kittitas 53037
- Klickitat 53039
- Lewis 53041
- Lincoln 53043
- Okanogan 53047
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Snohomish 53061
- Spokane 53063
- Stevens 53065
- Wahkiakum 53069
- Walla Walla 53071
- Whatcom 53073
- Whitman 53075
- Yakima 53077
Wisconsin view state ↗ 4 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/BRHOH ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/7226793 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z