Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Dogwood > Leaves turn brown to black and wilted
Dogwood > Leaves > Leaves turn brown to black and wilted
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Botryosphaeria canker
Botryosphaeria dothidea
- Leaves on one or more branches wilt, turn brown and die
- Bark on affected branches is darker, cracked, or blistered at the site of the canker
- Wood beneath the canker is dark brown
- Common on shrubs stressed by drought, winter injury and other factors
- More information on Botryosphaeria canker
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Dogwood twig borer
Oberea tripuncata
- Larval tunnels inside branches, making holes in stems to push out frass and sawdust
- Larvae feed downward, holes often occur near outside end of branches
- Larval feeding cases leaves on random branches to wilt and turn brown
- Adults chew on the underside of midrib of leaves causing the leaf to curl downward at tip
- More information on Dogwood twig borer
