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Boxwood > Leaves > Leaves tan to brown

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  • Image: 1
    Credit: K. Zuzek, University of Minnesota
  • Image: 2

    Credit: K. Zuzek, University of Minnesota

  • Image: 2

    Credit: K. Zuzek, University of Minnesota

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green arrowWinter injury

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  • Image: 1
    Credit: Plant Disease Clinic, Virginia Tech
  • Image: 2

    Credit: Plant Disease Clinic, Virginia Tech

  • - CLICK PHOTOS TO ENLARGE -

green arrowBoxwood blight
Cylindrocladium buxicola (syn C. pseudonaviculatum)

  • Round leaf spots with a tan center and dark brown edge
  • White chalky looking spores on lower surface of leaf
  • Dark brown to black streaks on stems
  • Stem cankers can girdle and kill branches
  • Rapid defoliation and twig deback, roots remain healthy
  • Not currently found in MN. If suspected, call the Minnesota Department of Agriculture "Arrest the Pest" Hotline: 1-800-545-6684
  • More information on boxwood blight...

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