Tapertip Onion

Allium acuminatum Hook.

Lily family

Plant Type

Forb/herb

Life Cycle

Perennial

Mature Height

12 inches

Spread

20 inches

Flower Color

Purple

Bloom Time

Summer

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Low

Drought Tolerance Medium

Flood Tolerance None

Soil

Soil Types Loam, Sand

CaCO3 Tolerance High

Fertility Need Low

Stress Tolerance

Fire Tolerance High

Salt Tolerance None

Climate

pH Range 6.0 – 8.0

Frost-Free Days 120 days

Precipitation 10 – 60 in

Ecosystem & Wildlife

Pollinators Native Bees; Honey Bees; Butterflies

Fall Color No

Evergreen No

Native Range

USA: Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming
CAN: British Columbia

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.