Thread Leaf Amsonia (Amsonia hubrichtii). Hardy, herbaceous, spring-flowering North American perennialDescription: Bears steel blue, star-shaped, spike-like flower clusters; fine textured, feather-like foliage turns golden yellow in fall Habit: Clump forming; grows 3-4' high and wide Culture: Prefers evenly moist but well-drained soil and full sun to light shade; is drought tolerant; no pest problems, deer resistant, and needs little care Hardiness: Cold hardy to USDA Zone 5 Origin: North America... - Thread Leaf Amsonia (Amsonia hubrichtii). |