| Description | Sky Blue Aster (Symphyotrichum oolentangiense) A showy native Aster with sky-blue flowers. |
|---|---|
| Plant Type | Perennials Hardy, Wild Flowers |
| Hardiness Zone | 4 |
| Sunlight | full |
| Moisture | average, dry |
| Soil & Site | average to dry, native to dry open woods, prairie, pasteur's |
| Flowers | inflorescence is a large panicle of compound ray flowers blue to pink, blooming August to October |
| Leaves | simple, thick, alternate, rough (scabrous) found mostly towards the bottom, thick, stiff, usually entire, lower leaves long stalked usually with heart-shaped base, upper leaves lance-like, stalkless but not clasping |
| Stems | rhizomatous |
| Dimensions | 24 inches or greater depending on the growing site |
| Propagation | cold stratified seeds, cuttings |
| Native Site | prairies, fields, wood margins, and rocky slopes |
| Cultivar Origin | The species name oolentangiensis refers to the collection site of the type specimen on the Oolentangy River in Ohio. |
| Misc Facts | AKA: Aster oolentangiense, Aster azureus, Azure Aster, Prairie Heart-leaved Aster, blue devils |
| Notes & Reference | #144-Missouri Botanical Gardens web site (www.missouribotanicalgarden.org) , #153-Illinois Wild Flower (www.illinoiswildflowers.info) |
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