Erigeron alpinus

Erigeron alpinus

Native to:
Albania, Austria, Bulgaria, Czechia-Slovakia, Ethiopia, France, Germany, Greece, Iran, Italy, Kenya, North Caucasus, NW. Balkan Pen., Poland, Romania, Spain, Switzerland, Transcaucasus, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Erigeron
Species:
Erigeron alpinus
USDA Symbol:
ERAL20

Growth Characteristics

Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
pink, purple, white

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)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to alpine and subalpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Surface sow; seeds require light for germination. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society