The Zinnia - A Flower for All Gardens - A Little History and Some Growing Instructions Few plants offer the dazzling array of color choices and large flowers that characterize the Zinnia family. Only dahlias and, perhaps, roses, can compete for size of bloom, intensity of color and showiness. The zinnia asks very little of its garden caretaker and gives so very much. Zinnias can be grown almost anywhere. They are not finicky about soil or water, but they do require full sun. The more you deadhead them, the more flowers they will produce. Japanese beetles do love them, but so do butterflies - lots and lots of butterflies. In mid to late summer, they are very prone to developing powdery mildew on their leaves, but this
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