Native to the southern United States, Amsonia illustris or Shining Blue Star is clump-forming and in May-June produces floral stems 1.2 m in height. Light blue flowers.
Grow in the sun in ordinary soil, which can be poor and dry. Slow growing.
- 12 cm pot
- Hardiness zones : zone 7-10
- Height: 30 to 50cm
- Plant spacing: 60 cm
- Flower colour: blue
- Flowering period: summer flowers