Pimpernel Willowherb
Epilobium anagallidifolium
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Epilobium
- Species:
- Epilobium anagallidifolium
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 6 in - 1 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul, aug, sep
- Bloom Colors:
- Pink
- Ground Cover:
- Yes
Native Range
United States: Alaska, California, Colorado, Idaho, Maine, Montana, North Carolina, New Hampshire, New Mexico, Nevada, New York, Oregon, Tennessee, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Northwest Territories, Nunavut, Quebec, Yukon
Soil Requirements
- Soil Type:
- moist, well-drained, nutrient-rich soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Commonly found in alpine and subalpine regions
Germination Information
Pre-treatment: 5 month outdoor stratification
Establishment: Seeds are hand collected in mid August when loculicidal capsules begin to split. Seeds are gray at maturity. Capsules are collected in paper bags and kept in a well ventilated drying shed prior to cleaning.
Source: npn.rngr.net