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Dogwood Pruning and Borer Monitoring After Topping

Corrective Pruning and Borer Vigilance

A topped Florida dogwood needs selective thinning: remove crowded, low, dead, or diseased branches at origin in late winter. Never remove >1/3 canopy. Topping risks imbalance and borer entry at wounds.

Dogwood Borer Signs and Prevention

Watch for sawdust-like frass at wounds, swollen/knotty bark, wilting crown. Preventive permethrin spray (Green Light Borer Killer) on trunk and wounds: start early May, repeat 4× at 3-week intervals. Or monitor and spray only if frass appears.

Trees: Dogwood Pruning Guide: Timing, Techniques & Tree Health; Dogwood Tree Not Blooming? Lawn Chemicals May Be the Culprit; King Crimson Maple 3-ft Leafless Top: Don't Top It!; Dogwood Sprouts After Improper Pruning; Pruning Dogwood for Driveway Visibility; Transplanting and Pruning a Kousa Dogwood; Dogwood Staking Damage: Wound Healing; Pruning and Fertilizing a Young Elm Tree; Pruning a Mature Weeping Cherry: Restoring Form and Bloom; Summer Pruning Dogwoods: Borer Risk and Wound Treatment

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