Aruncus dioicus Goat's Beard Description This plant can be found growing deep in the nursery woods. The leaves are dark green and the tall plumes are creamy white in early to mid summer. It looks like a giant astilbe! Prefers moist soil. Characteristics Hardiness Zone: 3-7 Light requirements: Part Sun Height: 5-6' Native: Yes Sizes & Prices Size: 1 GALLON $14.98 Other Information All Goat's Beard Dwarf Goat's Beard Aruncus aethusifolius Zone: 3-7 Part Sun/Shade HT: 8" Goat's Beard Aruncus dioicus Zone: 3-7 Part Sun HT: 5-6'