Broadleaf Arnica

Arnica latifolia Bong.

Aster family

Plant Type

Forb/herb

Life Cycle

Perennial

Mature Height

24 inches

Spread

20 inches

Flower Color

Yellow

Bloom Time

Early Summer

Growing Conditions

Light

Shade Tolerance Intermediate

Water

Water Use High

Drought Tolerance None

Flood Tolerance High

Soil

Soil Types Loam, Sand

CaCO3 Tolerance Medium

Fertility Need Medium

Stress Tolerance

Fire Tolerance Low

Salt Tolerance None

Climate

pH Range 6.0 – 7.2

Frost-Free Days 90 days

Precipitation 14 – 40 in

Native Range

USA: Alaska, California, Colorado, Idaho, Montana, Oregon, Utah, Washington, Wyoming
CAN: Alberta, British Columbia, Northwest Territorie, Yukon

Regional Native Status: L48 (N), AK (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.