Eriogonum umbellatum (SulPHur flower buckwheat)
Native, drought tolerant, low-growing woody perennial forb to subshrub with tiny yellow flower clusters, blooming May to September. Tolerant of drought, salinity, carbonates and infertile soils; 6.5 to 9.0 pH range. Common on dry well-drained soils of rocky slopes, valley bottoms, sagebrush deserts or mountain meadows; up to 12,000 ft. elevation. Excellent species for native pollinators, including being a larval host and nectar source for the Lupine blue butterfly. Leaves and associated insects are an important food for sage-grouse chicks.
DISTRIBUTION / ADAPTATION
INFORMATION & ATTRIBUTES
Family: Polygonaceae
Duration: Perennial
Growth Habit: Forb/herb/shrub/subshrub
Native Status: Native
Growth Form: Multiple stem
Mature Height: 12 in.
Bloom Color: grey-green
Bloom Period: Early summer
Annual Precipitation: 8-18 in.
Drought Tolerance: High
Shade Tolerance: Intolerant
Elevation: 700-12,000
Fire Resistance: No
Fire Tolerance: Low
Nitrogen fixation:
SOIL ADAPTATION
Coarse Texture: Yes
Medium Texture: Yes
Fine Texture: No
Salinity Tolerance: High
CaCO3 Tolerance: High
pH Range: 6.5-9.0
SEEDING NOTES
Seeds per Pound: 205,900
Seeding Rate: PLS lbs/acre
Season: Fall
Days to Germination:
VARIETIES & LOCAL ACCESSIONS
None