Amsonia hubrichtii
Threadleaf Blue Star, Arkansas Amsonia, Hubricht's Amsonia
Family: Apocynaceae Dogbane
| Type | Perennial |
| USDA Hardiness range | 5A - 9A |
| Exposure | Partial shade to full sun |
| Bloom color | Blue |
| Bloom time | Mid Spring to Mid Summer |
| Water needs | Dry to moist |
| Landscape uses | Border, foundation, massing, specimen |
| Height | 24" to 30" / 60cm to 75cm |
| Spread | 22" to 28" / 55cm to 70cm |
| Growth rate | Moderate |
| Persistence | Deciduous |
| Leaf color | Green |
| Fruit color | n/a |
| Soil pH requirements | Neutral |
| Soil type | Loamy |
| Form | Rounded |
| Attributes and features | Attractive foilage, native to North America, naturalizing |