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Locust Tree Leaf Drop: Insects or Drought?

Constant Leaf Litter Under Locust? Investigate Water and Insects

Diffuse yellowing and drop suggest the tree is shedding leaves to conserve water. Tiny green bugs may be secondary. Photograph insects for ID; provide supplemental deep watering during dry periods.

Plant Diseases: Black Sooty Mold on Hackberry: Controlling the Aphids and Scale Behind It; Locust Tree Bark Splitting and Dead Branches: Heat, Drought, and Proper Pruning; Pruning Mature Locust Trees: Timing, Fertilizing, and Realistic Expectations; Hydrangea Tree Yellowing and Leaf Drop: Water Stress, Not Spray Damage; Dwarf Grapefruit in Greenhouse: Leaf Yellowing and Browning; Lemon Tree Mysterious Decline: No Clear Pathogen, Focus on Cultural Care; Honey Locust Plant Bug: Cause of Season-Long Leaf Drop; Honey Locust Sudden Defoliation: Water Stress or Root Rot; Purple Robe Locust Decline After Transplant: Leaf Miner or Transplant Shock?; Locust Leaf Miner: Cause of Brown, "Fired" Foliage

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