A species from central USA, growing in open situations, on typically poor soils. In spring, comparatively large pale blue, spidery flowers are produced at the top of the willowy foliage. Good yellow autumn colour. Closely related to A. tabernaemontana and is sometimes listed as a subspecies.
Amsonia illustris
Ozark blue star, shining blue star
Details
| Aspect | Full sun |
| Flower Colour | Blue |
| Flowering Period | May | Jun |
| Foliage | Not evergreen |
| Goes Well With | Alchemilla, Anthemis, Campanula. |
| Growth Habit | Clump-forming |
| Hardiness | Fully hardy |
| Height | 90cm |
| Soil | Most types |
| Spread | 40cm |
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