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Zinnia—Zinnia spp.

Family Asteraceae (Sunflower family)

Plant Identification

Zinnias are either annual or perennial plants with colorful round flowers. Flower colors vary and include white, orange, yellow, pink, red, purple, and gold. Some may have distinct markings or blotches. Flowers bloom in summer and fall and attract hummingbirds.

Optimum conditions for growth

Zinnias thrive in hot weather and prefer full sun. Plant in good soil and fertilize regularly. Zinnias require a regular amount of water. Shear spent blooms to encourage rebloom.

Pink blossom
Pink blossom

Orange blossom
Orange blossom

Pests and disorders of Zinnia spp.

Invertebrates

Diseases

Environmental disorders

Weeds

Vertebrates

Statewide IPM Program, Agriculture and Natural Resources, University of California
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