Outsidepride Aruncus Dioicus Plant Seed - 5000 Seeds Aruncus Dioicus grows as a perennial in USDA Zones: 3 - 9 and thrives in partial shade areas. Aethusifolius Dioicus, also known as Dwarf Goatsbeard and Aruncus Sylvestris has fern-like foliage and white to cream flowers that make excellent cut flowers and dried arrangements. This heirloom plant is easy to germinate from seed and is perfect for borders, rock gardens, and woodland gardens. Sow at 6 seeds per plant and keep moist until germiantion occurs. Aruncus flower seeds germinate best with a cold/moist stratification. Our seeds are always Non-GMO and packaged for the current year.