Controlling Mites and Powdery Mildew on Zinnias

Two Common Zinnia Problems

Spider Mites

Treat with miticides or horticultural soap. Spray undersides of leaves thoroughly.

Powdery Mildew (Mold)

• Space plants for air circulation.
• Water at base, not overhead.
• Apply fungicide if severe.

Resource

University of Wisconsin zinnia guide: Zinnia Culture.