threadleaf blue star
Amsonia hubrichtii (Threadleaf blue star) grows in full-sun to partial shade. It forms a generous bush-like habit that can serve as a backdrop to summer flowers.
Threadleaf blue star is a native to Oklahoma and Arkansas and is a real multi-season performer. In spring the green, narrow, leaves emerge and clusters of powdery-blue flowers bloom in mid-spring. In fall, leaves change to a bright yellow-gold color that dull to tan into winter.
| Botanical Name | Amsonia hubrichtii |
| Common Name | threadleaf blue star |
| Family | Apocynaceae |
| USDA Zone | 5 thru 8 |
| Light Requirement | Full Sun to Part Shade |
| Season(s) of interest | all seasons |
| Height and Spread | 2-3ft x 2-3ft (60-90cm x 60-90cm) |
| Flower Color | Blue |
| Attracts Wildlife | Hosts Caterpillars of Butterflies/Moths, Attracts Pollinators, Rarely Browsed by Mammalian Herbivores |
| Additional Information | Not Native to the US Midwest. Native range: S. Central United States |
| Location in Lurie Garden | Northwest Light Plate, Northeast Light Plate, Southeast Light Plate, Southwest Light Plate |
Average Flowering Time