Rainy Weather Brings on Powdery Mildew in Oklahoma

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With the rainy, humid, and cool weather we’ve been experiencing this May in Tulsa and Oklahoma City, fungus diseases both in turf and ornamentals are out in full force. Powdery Mildew is one disease that is host-specific to shrubs, flowers, trees, and some vegetables in the vegetable garden. Common susceptible plants are azalea, crabapple, sprirea,… Read more »