Rocky Mountain Willowherb

Epilobium saximontanum

Rocky Mountain Willowherb

Ayotte, Gilles, 1948-

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Onagraceae
Genus:
Epilobium
Species:
Epilobium saximontanum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul, aug, sep
Bloom Colors:
White, Pink, Purple

Native Range

United States: Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Quebec

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in mountainous regions