Japanese Maple Delayed Freeze Damage: Secondary Leaf Loss After Easter Freeze

After the 2007 Easter freeze, Japanese maples pushed a second flush of red leaves that then browned and fell. Expert Norm Mittleider explains: the tree exhausted energy reserves producing the second flush, leaving stems vulnerable to dieback and sunburn.

Recovery Plan

• Light feed with low-N fertilizer (3-4-5).
• Limited pruning—remove only dead wood.
• Protect exposed trunks (especially laceleaf types) with shade cloth through summer.
• Monitor for crown dieback.

Photos courtesy of Norm Mittleider, Art of Pruning.