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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Barberry > Dead branches or branch dieback

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Barberry > Stems/branches > Dead branches or branch dieback

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  • Image: Eastern Tent Caterpillar 1
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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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  • Image: Eastern Tent Caterpillar 1
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Nectria canker
Nectria cinnabarina

  • Dead branches and twigs, often first observed in early spring
  • Bark at the base of dead branches is often slightly sunken, discolored or cracked
  • Tiny, pink, pale orange or cream colored cushion-like spore-producing bodies are visible in cracks in bark in spring
  • In summer, smaller coral colored bumps push through cracks
  • In autumn these spore-producing structures turn dark brown or black
  • More information on Nectria canker...
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  • Image: Eastern Tent Caterpillar 1
  • Image: Eastern Tent Caterpillar 2
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Verticillium wilt
Verticillium dahliae

  • Leaves on one to several branches turn red to yellow, wilt, die and fall off
  • Dark olive to gray streaks are often visible in the sapwood if the bark is peeled back
  • Symptoms may appear in several branches or in the entire shrub
  • Symptoms are often most obvious in late summer and autumn but can occur throughout the growing season
  • More information on Verticillium wilt...

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