Tall Annual Willowherb
Epilobium brachycarpum
Unknown author
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Epilobium
- Species:
- Epilobium brachycarpum
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 6-8 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jul, aug
- Bloom Colors:
- Pink
Native Range
United States: Arizona, California, Colorado, Idaho, Kentucky, Minnesota, Montana, North Dakota, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming, Canada: Alberta, British Columbia, Manitoba, Ontario, Quebec, Saskatchewan
Host Plant for Caterpillars
Heliodines extraneella
Reported Fauna Sightings
Bees: Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), van Dyke bumble bee (Bombus vandykei), van Dyke bumble bee (Bombus vandykei), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- often found in disturbed, open areas