500 MIXED COLORS SWEET WILLIAM Dianthus Barbatus Flower Seeds BLOOM TIME: Spring - Summer HARDINESS ZONE: 3 - 9 (and reseeds itself easily) PLANT HEIGHT: 12 - 18" . . . PLANT SPACING: 12 - 15" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average Pink, Red, White, and Bicolor. Attracts bees, butterflies, and HUMMINBIRDS.