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Black Spots on Weeping Willow: Late-Season Cleanup and Spring Spray Plan

Current Action (Fall)

4-year-old weeping willow (GA). Black spots, some yellowing, bare branches. Do nothing now except rake and destroy (burn/bury) fallen leaves. Reduces spores for next spring.

Spring Spray Schedule

Starting at leaf unfurl: 3 sprays at 2-week intervals with:

  • Copper fungicide: Hi-Yield Copper Fungicide, Ferti-lome Black Spot & Powdery Mildew Control.
  • Mancozeb: Bonide Mancozeb Flowable, Southern Ag Dithane M-45, Dragon Mancozeb Disease Control.

Read and follow all label directions.

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