300 Burpeeana Giant Mix CACTUS FLOWERED ZINNIA Elegans Flower Seeds BLOOM TIME: Late Summer - Repeat Bloomer HARDINESS ZONE: Annual PLANT HEIGHT: 18 - 24" . . . PLANT SPACING: 9 - 12" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average Orange, Gold, Yellow, Pink, Rose, Salmon, White, Red, Violet, and Bicolor. Cactus Flowered Zinnias have huge 6 inches flowers and a very different look than traditional Zinnias. Zinnias are a great classic garden flower. They are excellent for cutting, and attract bees, butterflies, and birds.