Honeylocust Oozing Sap: Canker Disease or Stress?

Newly planted honeylocust oozes sap from base of most branches. Owner asks if it's disease, insects, or natural.

Possible Causes

• Canker disease (fungal): Elongated, sunken lesions; orangish-brown bark; gummy sap. Linked to drought stress, pruning wounds, sunburn. Common in Great Plains.
• Insect borers or other pests.
• Environmental stress: Transplant shock, water issues.

Resource

Fungal disease details: Yardener Plant Disease Solver (copy/paste URL).

Best Step

Contact local agricultural extension—they may want a sample for precise diagnosis and localized treatment advice.