Yellow Poplar Summer Leaf Drop: Drought Response, Not Disease

Yellow poplar dropping small branches and leaves with yellow/brown spots. Owner concerned.

Normal Drought Coping Mechanism

Tulip poplars are "drought indicators"—they shed interior yellowing leaves to reduce water loss. In hot, dry summers, defoliation can start in July.

Leaf Spots: Cosmetic Fungi

Black spots are common leaf fungi on poplar. Don't affect overall health.

Branch Drop: Self-Pruning

Shaded lower branches die and shed naturally. Not a concern.

Action

Water deeply (1" weekly) during drought. Tree will recover fully when moisture returns.