University of Maryland Extension

Bacterial Blight of Holly - Shrubs

Bacterial blight holly

  • Bacterial blight of holly symptoms usually begins in June or July appearing as scorched leaves or wilted twigs on the new seasonal growth.
  • As the symptoms progress the shoots will appear shriveled. ¬†During wet years the twigs and leaves will turn black.

Bacterial blight holly

Disease management 

  • Prune out diseased shoots during dry weather.
  • Also, avoid over fertilization that stimulates excessive succulent growth which is more susceptible to disease.

rev.2020

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