Small holes in leaves = bacterial shot hole. Wet leaves worsen it.
Mancozeb or fixed copper fungicide/bactericide. Follow label.

Holes in Tree Trunk: Woodpecker or Squirrel Nest
Petunias Dying in One Bed: Phytophthora Root Rot — Soilborne and Host-Specific
Rust Disease on Chemical-Free Lawn: Let It Run Its Course
Recurring Ulcers in 11,000-Gal Pond: Bacterial Infection from Slime Coat Failure
Laurel Hedging: The Ultimate Privacy Screen
Brown Patch in Fescue: Cultural Fixes Before Fungicides
Forsythia Crown Gall: Pruning Out Bacterial Disease
Tiger Beetle Larvae: The "Snake" in Your Yard
Empire Zoysia Maintenance: Fertilizer, Water, and Disease
Aspirin for Tomato Disease Prevention: Citizen Science Experiment
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