Subalpine Fleabane
Erigeron peregrinus
- Native to:
- Canada, Kuril Is., Russia, United States
iNaturalist: © paul_norwood (iNaturalist #122920656)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Erigeron
- Species:
- Erigeron peregrinus
- USDA Symbol:
- ERPE3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- purple, pink, white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
- Pollen Specialist Bee Keystone:
- ★★★★☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Schinia villosa, Pearl Crescent (Phyciodes tharos)
Reported Fauna Sightings
Bees: Black-tailed bumble bee (Bombus melanopygus), Fuzzy-horned bumble bee (Bombus mixtus), Indiscriminate cuckoo bumble bee (Bombus insularis), Two-form bumble bee (Bombus bifarius)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- moist, well-drained, rocky or sandy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to alpine and subalpine meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best after cold stratification; surface sow on moist soil and keep at 20°C (68°F) after stratification.
Pre-treatment: No stratification is necessary. However, a brief 30 to 60 day cold, moist stratification will improve germination uniformity.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.