String Theory Amsonia is a spring-flowering perennial that provides foliage and texture interest throughout summer. It has stunning light periwinkle blue flowers are produced above dark green, threadleaf leaves. It is heat tolerant and resists deer.
18-22 inches tall and 32-36 inches wide at maturity
Hardy in zones 4-9, be sure to check your USDA zone to ensure success
Plant in part sun (4-6 hours daily)
Space plants 32-36 inches apart for best results
Produces star-shaped light periwinkle blue flowers in late spring into summer on dark green threadleaf leaves
Great for border, landscapes, mass planting, focal points
Native to North America, heat tolerant, drought tolerant, resists deer
1 Gallon perennials are 6-24 inches tall and about 1 year old at shipment, varies by season and plant
Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom