Bradford Pear and Crape Myrtle Sudden Leaf Drop: Mechanical Injury Check

Green Leaves Falling Off Young Trees in Savannah

A 2-year-old Bradford pear and 1.5-year-old crape myrtle lose green leaves on half the canopy despite daily watering and fertilizer. No leaf spots or discoloration—leaves fall green and healthy.

Most Likely Cause

Mechanical trunk injury from lawn mower or string trimmer at the base. Girdling or partial bark loss cuts off water/nutrient flow to one side, causing sudden leaf drop on that side.

Diagnosis and Care

1. Inspect trunk base for scraped, missing, or loose bark.
2. If found, do not apply wound paint. Keep area clean and dry.
3. Mulch 2–3 inches wide (not touching trunk) to prevent future hits.
4. Water deeply once weekly; stop daily watering.

Trees may recover if cambium is partially intact. Full girdling is fatal. Monitor for sprouting below injury.