Douglas' Onion

Allium douglasii Hook. - Lily family

Size

Mature Height: Up to around 11 inches

Planting Distance: 20 inches

Plant Type: Forb/herb

Root Depth: 8 inches

Growth Form: Single Crown

Growth Rate: Rapid

Features

Flower Color: Purple

Conspicuous Flowers: Yes

Bloom Time: Late Spring

Seasonal Growth: Spring

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: None

Native Range

USA: 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.