§1 Plant
Poa bulbosa L.
vernacular bulbous bluegrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Poa
§2a
Native status, by region
- L48 Lower 48 States Introduced
§2b
County-level range
· 278 counties across 35 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- Medium
- Moisture use
- Medium
- Fire
- High
- Salinity
- Low
- Anaerobic
- Low
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 12–40 in/yr
- pH range
- 5–7.2
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 1.5 ft
- Foliage texture
- Fine
- 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
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 266,240
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Medium
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 278 counties across 35 states/territories.
Arizona view state ↗ 1 I ▾
Arkansas view state ↗ 2 I ▾
California view state ↗ 37 I ▾
- Alameda 06001
- Alpine 06003
- Butte 06007
- Contra Costa 06013
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Humboldt 06023
- Kern 06029
- Lake 06033
- Lassen 06035
- Madera 06039
- Marin 06041
- Mariposa 06043
- Mendocino 06045
- Modoc 06049
- Mono 06051
- Napa 06055
- Nevada 06057
- Placer 06061
- Plumas 06063
- Riverside 06065
- San Bernardino 06071
- San Diego 06073
- San Luis Obispo 06079
- Santa Barbara 06083
- Santa Clara 06085
- Shasta 06089
- Sierra 06091
- Siskiyou 06093
- Solano 06095
- Sonoma 06097
- Tehama 06103
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
- Yolo 06113
Colorado view state ↗ 9 I ▾
Delaware view state ↗ 1 I ▾
Georgia view state ↗ 1 I ▾
Idaho view state ↗ 34 I ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Blaine 16013
- Boise 16015
- Bonneville 16019
- Boundary 16021
- Butte 16023
- Camas 16025
- Canyon 16027
- Caribou 16029
- Cassia 16031
- Clark 16033
- Clearwater 16035
- Elmore 16039
- Franklin 16041
- Fremont 16043
- Gem 16045
- Gooding 16047
- Idaho 16049
- Kootenai 16055
- Latah 16057
- Lewis 16061
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Oneida 16071
- Owyhee 16073
- Payette 16075
- Power 16077
- Teton 16081
- Twin Falls 16083
- Valley 16085
- Washington 16087
Illinois view state ↗ 5 I ▾
Indiana view state ↗ 1 I ▾
Kansas view state ↗ 2 I ▾
Kentucky view state ↗ 9 I ▾
Louisiana view state ↗ 1 I ▾
Massachusetts view state ↗ 5 I ▾
Minnesota view state ↗ 1 I ▾
Missouri view state ↗ 18 I ▾
Montana view state ↗ 22 I ▾
- Big Horn 30003
- Carbon 30009
- Custer 30017
- Fergus 30027
- Flathead 30029
- Gallatin 30031
- Golden Valley 30037
- Jefferson 30043
- Judith Basin 30045
- Lake 30047
- Lincoln 30053
- Madison 30057
- Missoula 30063
- Park 30067
- Phillips 30071
- Powder River 30075
- Ravalli 30081
- Rosebud 30087
- Sanders 30089
- Stillwater 30095
- Teton 30099
- Yellowstone 30111
Nebraska view state ↗ 2 I ▾
Nevada view state ↗ 7 I ▾
New Jersey view state ↗ 4 I ▾
New Mexico view state ↗ 4 I ▾
New York view state ↗ 7 I ▾
North Carolina view state ↗ 1 I ▾
North Dakota view state ↗ 1 I ▾
Ohio view state ↗ 1 I ▾
Oklahoma view state ↗ 2 I ▾
Oregon view state ↗ 26 I ▾
- Baker 41001
- Benton 41003
- Columbia 41009
- 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
- Sherman 41055
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
Pennsylvania view state ↗ 1 I ▾
South Dakota view state ↗ 1 I ▾
Tennessee view state ↗ 4 I ▾
Utah view state ↗ 20 I ▾
Virginia view state ↗ 9 I ▾
Washington view state ↗ 24 I ▾
- Asotin 53003
- Benton 53005
- Chelan 53007
- Columbia 53013
- Cowlitz 53015
- Ferry 53019
- Garfield 53023
- Grant 53025
- King 53033
- Kittitas 53037
- Klickitat 53039
- Lewis 53041
- Lincoln 53043
- Okanogan 53047
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Spokane 53063
- Stevens 53065
- Walla Walla 53071
- Whitman 53075
- Yakima 53077
West Virginia view state ↗ 2 I ▾
Wisconsin view state ↗ 2 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POBU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8086756 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z