Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Dogwood > Leaves turn brown to black and wilted

Print Icon Email Icon Share Icon

Dogwood > Leaves > Leaves turn brown to black and wilted

1 of 2
  • Image: Plum Curculio 1
  • Image: Plum Curculio 2
  • Image: Plum Curculio 3

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
2 of 2
  • Image: White Rot 1
  • Image: White Rot 2
  • Image: White Rot 3

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

Don't see what you're looking for?