Sky Blue Aster
Symphyotrichum oolentangiense
Clear sky-blue daisy flowers in airy panicles on wiry stems. Drought-tolerant prairie aster named after Ohio's Olentangy River, where it was first described. Formerly *Aster oolentangiensis*.
- Family
- Asteraceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 2–3 ft
- Spacing
- 1.5–2 ft apart
- Light
- sun, part shade, shade
- Soil moisture
- dry
- Soil pH
- acidic, alkaline, neutral
- Bloom
- September, October, November
- Bloom colors
- blue, purple
- Wildlife value
- butterflies, pollinators, larval host
- Caterpillar hosts
- ~109 butterfly & moth species
- Landscape uses
- border, naturalizing
- Native states
- AL, AR, FL, GA, IA, IL, IN, KS, LA, MI, MN, MO, MS, NE, NY, OH, OK, SD, TN, TX, WI
Related native plants
More Symphyotrichum species
- New England Aster (Symphyotrichum novae-angliae)
- Calico Aster (Symphyotrichum lateriflorum)
- Heart-leaved Aster (Symphyotrichum cordifolium)
- Heath Aster (Symphyotrichum ericoides)
- Smooth Blue Aster (Symphyotrichum laeve)
- Pacific Aster (Symphyotrichum chilense)