Leaves Falling Why Leaves Fall Falling leaves can signal overwatering, dry roots, poor light, pests, or natural aging. Use our practical checks to identify the cause and help your plant recover. Diagnose Your Plant Leaves Falling Find out why leaves are falling and what your plant needs next. Separate watering problems from pests, low light, drafts, and natural aging. Follow simple rescue steps to stabilize stressed houseplants and succulents. Stop Leaf Drop