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. Sizes & Prices All Aruncus Characteristics Hardiness Zone: 3-7 Light requirements: Part Sun Height: 5-6' Native: Yes Sizes & Prices Size: 2 Yr $14.98 Other Information Aruncus aethusifolius Dwarf Goat's Beard Zone: 3-7 Part Sun/Shade HT: 8" Aruncus aethusifolius 'Noble Spirits' Dwarf Goat's Beard Zone: 4-8 Sun/Part Sun HT: 8-12" Aruncus dioicus Goat's Beard Zone: 3-7 Part Sun HT: 5-6'