Willamette Fleabane 🛑 Endangered

Erigeron decumbens

Willamette Fleabane

Jennifer Thompson, USFWS

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Erigeron
Species:
Erigeron decumbens

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, jul
Bloom Colors:
White, Pink, Yellow, Blue

Native Range

United States: California, Oregon

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:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
native to wet prairies and meadows

Germination Information

Pre-treatment: Needs 120 days of cool/moist stratification (about 38F) to break dormancy and demonstrate peak germination

Source: npn.rngr.net