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Crabapple Leaf Drop After Heavy Rain: Temperature Shock or Slugs?

Why Is My Crabapple Losing Leaves in Spring?

Sudden cold snaps after leaf-out can cause yellowing and drop. Hostas with holes likely have slugs. Check crabapple base for bark damage. Monitor; tree may recover.

Plant Diseases: Black Sooty Mold on Hackberry: Controlling the Aphids and Scale Behind It; Crabapple Scab Disease: Dormant Oil Wrong Treatment; Hydrangea Tree Yellowing and Leaf Drop: Water Stress, Not Spray Damage; Tulip Tree White Spots and Sticky Leaves: Lichens, Honeydew, and Insect Control; Dwarf Grapefruit in Greenhouse: Leaf Yellowing and Browning; Mandarin Tree: Sooty Mold and Insect Complex in Australia; White Spots on Maple Leaves: Cottony Cushion Scale; White Oak Leaf Discoloration: Root Dysfunction from Chemical Injury; White Powder Under Lemon Leaves: Early Powdery Mildew or Something Else?; Woolly Oak Aphid Identification and Control on Sand Live Oaks

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