Glandular Willowherb

Epilobium halleanum

Taxonomy

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

Growth Characteristics

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

Native Range

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

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers riparian zones and meadows