Alpine Laurel
Kalmia microphylla (Hook.) A. Heller
Heath family
Plant Type
Subshrub, Shrub
Life Cycle
Perennial
Mature Height
12 inches
Spread
4.0 feet
Flower Color
Purple
Bloom Time
Late Spring
Growing Conditions
Light
Shade Tolerance
Tolerant
Water
Water Use
Medium
Drought Tolerance
Low
Flood Tolerance
Medium
Soil
Soil Types
Loam, Sand
CaCO3 Tolerance
Medium
Fertility Need
Low
Stress Tolerance
Fire Tolerance
Medium
Salt Tolerance
None
Climate
pH Range
6.0 – 7.3
Frost-Free Days
85 days
Precipitation
12 – 20 in
Ecosystem & Wildlife
Pollinators
Native Bees
Fall Color
No
Evergreen
Yes
Native Range
- USA: Alaska, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming
- CAN: Alberta, British Columbia, Manitoba, Northwest Territorie, Ontario, Saskatchewan, 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.