Sulphur Flower Buckwheat

Eriogonum umbellatum Torr. - Buckwheat family

Size

Mature Height: Up to around 12 inches

Planting Distance: 34 inches

Plant Type: Subshrub, Shrub, Forb/herb

Root Depth: 20 inches

Growth Form: Multiple Stem

Growth Rate: Slow

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Early Summer

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: High

Flood Tolerance: None

Fire Tolerance: Low

Salt Tolerance: High

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)

Larval Species depending on Sulphur Flower Buckwheat: Apodemia mormo cythera, Callophrys affins affinis, Callophrys affins affinis, Callophrys apama homoperplexa, Callophrys comstocki, Callophrys lemberti, Callophrys sheridanii sheridanii, Chalceria heteronea, Chalceria heteronea heteronea, Euphilotes battoides comstocki, Euphilotes battoides glaucon, Euphilotes enoptes ancilla, Lycaeides melissa, Philotes battoides intermedia, Plebejus lupini, Plebejus lupini lupini, Plebejus lupini monticola

Native Range

  • CAN:  Alberta, British Columbia
  • USA:  Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.