Threadleaf Bluestar
Amsonia hubrichtii
Threadleaf Bluestar is a perennial for focal point, mid-border, suited to full sun to partial shade and clay, loam or sandy soil, flowering May, Jun.
| Type | Perennial |
|---|---|
| Mature height | 90 cm |
| Spread | 90 cm |
| Aspect | full sun to partial shade |
| Foliage | Deciduous |
| Hardiness | USDA 5a-8a |
| Pollinator-friendly | Yes |
| Pet-safe | Not confirmed |
Where to use it in a border
At around 90 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 90 cm of room to spread. It is hardy across USDA zones 5a to 8a, so check it suits your area before planting.
It appears in our lists of full sun, clay soil, sandy soil, pollinator-friendly plants.
Border Builder uses Threadleaf Bluestar's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
Worth knowing
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Indian Grass 'Sioux Blue'for height behind it
- Little Bluestemto flower when it does not
- Prairie Dropseedto edge in front
- Switchgrass 'Cloud Nine'for height behind it
- Switchgrass 'Dallas Blues'for height behind it
- Switchgrass 'Northwind'for height behind it
Garden styles
Sources
Bloom timing and hardiness drawn from: