Answer: You cannot change the color of the zinnia you have, but you can purchase and plant lots of different flower colors. Zinnia elegans is the most common zinnia, and comes in heights up to 3 feet with single or double flower heads from 1 to 7 inches across. They bloom in all colors: pink, rose, red, cherry, lavender, purple, orange, salmon, gold, yellow, white, cream and light green. Some flowers are solid colored, while others are multicolored or zoned. Flower shape varies from round, domed or ball-shaped to dahlia- or chrysanthemum-like flowers.
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