Index / Search / Eriogonum umbellatum
§1 Plant
Eriogonum umbellatum Torr.
vernacular sulphur-flower buckwheat — species · Polygonaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Shrub, Subshrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Polygonaceae Juss.
- Genus
- Eriogonum
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 241 counties across 10 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Low
- Fire
- Low
- Salinity
- High
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 7 °F minimum
- Frost-free days
- 140 min.
- Precipitation
- 8–18 in/yr
- pH range
- 6.5–9
- Root depth
- 20 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 1 ft
- Height @ 20 y
- 1 ft
- Foliage texture
- Coarse
- Foliage colour
- Gray-Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Moderate
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Summer
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 209,500
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- Yes
- Browse palatability
- Medium
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 241 counties across 10 states/territories.
Arizona view state ↗ 6 N ▾
California view state ↗ 44 N ▾
- Alameda 06001
- Alpine 06003
- Amador 06005
- Butte 06007
- Calaveras 06009
- Colusa 06011
- Contra Costa 06013
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Glenn 06021
- Humboldt 06023
- Inyo 06027
- Kern 06029
- Lake 06033
- Lassen 06035
- Los Angeles 06037
- Madera 06039
- Mariposa 06043
- Mendocino 06045
- Modoc 06049
- Mono 06051
- Monterey 06053
- Napa 06055
- Nevada 06057
- Placer 06061
- Plumas 06063
- Riverside 06065
- San Benito 06069
- San Bernardino 06071
- San Joaquin 06077
- Santa Barbara 06083
- Santa Clara 06085
- Shasta 06089
- Sierra 06091
- Siskiyou 06093
- Sonoma 06097
- Stanislaus 06099
- Tehama 06103
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
- Ventura 06111
- Yuba 06115
Colorado view state ↗ 30 N ▾
- Arapahoe 08005
- Boulder 08013
- Clear Creek 08019
- Costilla 08023
- Custer 08027
- Delta 08029
- Dolores 08033
- Douglas 08035
- Eagle 08037
- El Paso 08041
- Garfield 08045
- Gilpin 08047
- Grand 08049
- Gunnison 08051
- Jackson 08057
- Jefferson 08059
- La Plata 08067
- Lake 08065
- Larimer 08069
- Mesa 08077
- Moffat 08081
- Montezuma 08083
- Montrose 08085
- Park 08093
- Pitkin 08097
- Rio Blanco 08103
- Routt 08107
- Saguache 08109
- San Miguel 08113
- Summit 08117
Idaho view state ↗ 33 N ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Bear Lake 16007
- Bingham 16011
- Blaine 16013
- Boise 16015
- Bonner 16017
- Bonneville 16019
- Butte 16023
- Camas 16025
- Cassia 16031
- Clark 16033
- Custer 16037
- Elmore 16039
- Franklin 16041
- Fremont 16043
- Gem 16045
- Gooding 16047
- Idaho 16049
- Kootenai 16055
- Lemhi 16059
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Oneida 16071
- Owyhee 16073
- Power 16077
- Shoshone 16079
- Teton 16081
- Twin Falls 16083
- Valley 16085
- Washington 16087
Montana view state ↗ 32 N ▾
- Beaverhead 30001
- Big Horn 30003
- Broadwater 30007
- Carbon 30009
- Cascade 30013
- Fergus 30027
- Flathead 30029
- Gallatin 30031
- Glacier 30035
- Golden Valley 30037
- Granite 30039
- Hill 30041
- Jefferson 30043
- Judith Basin 30045
- Lake 30047
- Lewis and Clark 30049
- Liberty 30051
- Lincoln 30053
- Madison 30057
- Meagher 30059
- Missoula 30063
- Musselshell 30065
- Park 30067
- Phillips 30071
- Powell 30077
- Ravalli 30081
- Silver Bow 30093
- Stillwater 30095
- Sweet Grass 30097
- Teton 30099
- Toole 30101
- Wheatland 30107
Nevada view state ↗ 17 N ▾
Oregon view state ↗ 22 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Columbia 41009
- Crook 41013
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Malheur 41045
- Morrow 41049
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
Utah view state ↗ 29 N ▾
- Beaver 49001
- Box Elder 49003
- Cache 49005
- Carbon 49007
- Daggett 49009
- Davis 49011
- Duchesne 49013
- Emery 49015
- Garfield 49017
- Grand 49019
- Iron 49021
- Juab 49023
- Kane 49025
- Millard 49027
- Morgan 49029
- Piute 49031
- Rich 49033
- Salt Lake 49035
- San Juan 49037
- Sanpete 49039
- Sevier 49041
- Summit 49043
- Tooele 49045
- Uintah 49047
- Utah 49049
- Wasatch 49051
- Washington 49053
- Wayne 49055
- Weber 49057
Washington view state ↗ 10 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ERUM ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2889574 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z