Arctic Alpine Fleabane
Erigeron humilis
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Erigeron
- Species:
- Erigeron humilis
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
- Bloom Colors:
- Yellow, Blue, Purple
Native Range
United States: Alaska, Colorado, Idaho, Montana, Utah, Wyoming, Canada: Alberta, British Columbia, Manitoba, Northwest Territories, Nunavut, Ontario, Quebec, Yukon
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Soil Requirements
- Soil Type:
- gravelly, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to alpine and subalpine regions
Germination Information
Pre-treatment: Seeds are placed into an outdoor 150 day cold, moist stratification.
Establishment: Seeds are hand collected in late August when achenes separate easily from the receptacle. Seeds are collected in paper bags and kept in well ventilated drying shed prior to cleaning. E. humilus is a North American boreal species that reaches its southern most limit in Glacier National Park. It is found in talus and scree slopes above treeline.
Source: npn.rngr.net