25 LUNA WHITE HARDY HIBISCUS Hibiscus Moscheutos Flower Seeds BLOOM TIME: Summer - Frost HARDINESS ZONE: 5 - 11 PLANT HEIGHT: 36 - 48" . . . PLANT SPACING: 36" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average These Hibiscus have huge dinner plate sized 6 inches blooms. They bloom heavily all the way up until frost. Bees and butterflies just love them! Add a touch of the tropics to your landscape!