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Water-Holding Tree Crotch: Don't Drill Drain Holes

A water-filled crotch in a multi-trunk magnolia is natural. The tree walls off the wet area. Drilling a drain hole invites rot fungi. Leave it alone; use a mosquito dunk if mosquitoes breed there.

About Gardening: Money Tree Bark Peeling and Gnats: Overwatering—Dry Out and Use Atomic Grow; Water Oak Borer Damage: Insecticide Treatment and Tree Health; Large Oak Cavity with Standing Water: Drain & Foam, Don't Cement; Holes in Tree Trunk: Woodpecker or Squirrel Nest; Burlap Left on Weeping Cherry Root Ball: Replant Immediately; Magnolia Trunk Cavity: Fill or Leave?; Tree Limb Holding Water: Don't Drill Drainage Holes; Water Collecting in River Birch Crotches: No Need to Drill Drain Holes; Tree Cavity Care: Why Filling Hollows Does More Harm Than Good; Water-Holding Tree Crotch: Leave It Alone, Manage Mosquitoes

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