University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Zinnia Species: elegans Common Name: Common Zinnia Family: Asteraceae Order: Asterales Native: Mexico Habit: Annual Height: 1 to 4 feet Width: 1 to 1.5 feet Flowering Season: Summer to Fall Flower Color: Red, orange, yellow, pink, rose, lavender, green or white Propagation: Seed Note: This plant is suitable for beds, borders, containers cottage gardens and as a cutflower. Pinching the young shoots will promote bushiness. Removal of spent flowers will encourage more flowering and enhance the plant's appearance. Zinnia is susceptible to Japanese beetles, blight, botrytis, leaf spots, powdery mildew and root rot. Good air circulation is required to prevent Zinnia from getting fungal diseases. Prefers sunny, moderately dry, well-drained, organic-rich soil.