University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Dianthus Species: chinensis Common Name: Rainbow Pink Family: Caryophyllaceae Order: Caryophyllales Native: Central and eastern China Habit: Herbaceous Biennial or Perennial Height: 0.5 to 1.5 feet Width: 0.5 to 1 foot Flowering Season: Spring to Summer Flower Color: Purple, pink, red, white or bicolor Propagation: Seed Zone: 7-9 Note: Rainbow Pink is suitable for borders, beds, and containers. This short-lived perennial is primarily grown as an annual. Remove spent flowers and cut back the plant after flowering declines to prolong the blooming period. Monitor plant for snails, slugs, rust, and crown rot. Prefers sunny to partly shady, moderately dry, well-drained, organic-rich soil.