Fact Sheets

Honey locust: Honeylocust canker

Honey locust: Honeylocust canker categories: Honey Locust Honey Locust Diseases Ornamental trees Ornamentals revision date: 2022-11-23 12:58 Large canker on honey locustPhoto by: R.S. Byther Biology Several fungi are responsible for cankers on honey locust in the Pacific Northwest. One problem, coral spot or Nectria canker, can result in sudden wilting or failure of infected […]

Honey locust: Powdery mildew

Honey locust: Powdery mildew categories: Honey Locust Honey Locust Diseases Ornamental trees Ornamentals revision date: 2022-11-23 12:53 Biology Powdery mildew on honey locust (Gleditsia triacanthos) produces typical symptoms of powdery mildew infections. Leaves and sometimes young shoots are covered with a powdery, gray-white growth. This most often appears in summer and gradually increases throughout the […]