50 BLACK KNIGHT DELPHINIUM Cultorum Pacific Giant Larkspur Flower Seeds *Comb S/H BLOOM TIME: Summer HARDINESS ZONE: 3 - 8 PLANT HEIGHT: 70" . . . PLANT SPACING: 30" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average Delphinium flowers attract bees, butterflies, and birds including HUMMINGBIRDS!. The tall, stunning flower spikes of Black Knight are real show-stoppers and are sure to please! They are also deer resistant.