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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Sumac > Bark or small branches chewed or removed

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Sumac > Stems/branches > Bark or small branches chewed or removed

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Deer browsing

  • Leaves, flowers, buds, and small branches less than an inch in diameter are cut off.
  • Plant parts are torn off leaving ragged edges
  • Feeding occurs from the ground to about 6 feet
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Phytophthera spp.

  • Bark from stems is removed to a height of about 2 feet above the ground or the snowline
  • Regular scraping the size of a spoon tip will be present in the damaged wood
  • Smaller stems are typically cut off with a sharp edge at a 45 degree angle
  • Majority of bark feeding occurs in winter and early spring
  • Rabbit droppings (small, round pellets) are often found near the damaged shrubs
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  • Bark is completely removed from stems or in irregular patches
  • Damage occurs in winter and the bark is removed only below the snowline
  • Only bark is removed, no branches or small stems are cut off as in rabbit damage
  • Wood will show scrapings the size of fork tines
  • More info on controlling voles

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