Rock Buckwheat

Eriogonum sphaerocephalum Douglas ex Benth. - Buckwheat family

Size

Mature Height: Up to around 12 inches

Planting Distance: 6.2 feet

Plant Type: Subshrub, Shrub

Root Depth: 14 inches

Growth Form: Multiple Stem

Growth Rate: Slow

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Mid Spring

Seasonal Growth: Spring

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: Low

Ecosystem Interactions

Pollinators: Native Bees; Beetles, Wasps, Flies; Larval Host (Butterfly)

Larval Species depending on Rock Buckwheat: Euphilotes battoides glaucon

Native Range

  • USA:  California, Idaho, Nevada, Oregon, Washington
Regional Native Status: L48 (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.