Hall's Aster

Symphyotrichum hallii

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Symphyotrichum
Species:
Symphyotrichum hallii

Growth Characteristics

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

Native Range

United States: Oregon, Washington

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)

Host Plant for Caterpillars

Meadow Crescent (Phyciodes pratensis)

Soil Requirements

Soil Type:
sandy, 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 open, rocky slopes and prairies