Weeping Cherry Sap Flow: Slime Flux (Wetwood) Management

1-yr-old ‘Snow Fountain’ weeping cherry oozing sap from trunk. Likely slime flux (wetwood)—bacterial disease.

Symptoms

• Foul-smelling, tan-to-dark sap from cracks/wounds.
• Gas pressure forces sap out.
• Attracts insects; kills grass below.

Management

• No cure; maintain vigor.
• Remove loose bark; let dry.
• Wash trunk; 1 pt bleach/gal water rinse.
• No wound dressings.
• May stop on its own.

Professional Help

Call state forestry or Extension specialist before hiring arborist. Ensure arborist is ISA Certified.