Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Amsonia hubrichtii you will need.
*Correct and successful spacing is complex and depends on project conditions.
Amsonia hubrichtii
Threadleaf Blue Star
- Great foliage, all season
- Steel-blue flowers in early spring
- Golden fall color
- Best show is when massed
- Category: Perennials
- Hardiness Zone: 4-9
- Height: 32-40 in
- Spread: 32-40 in
- Bloom Color: Blue
Critter Resistance
| • | Deer Resistant |
Season of Interest (Flowering)
| • | Spring |