White Glue-Like Sap on Grapevines: Spring Pruning Bleed

Elmer's Glue Consistency Sap on Grapes? It's Bleeding from Improper Pruning

Pruning after Christmas causes unstoppable sap bleeding. No cure; vine weakens. Prune only in dormancy (before Christmas).

Plant Diseases: Vine Ants and Pomegranate Fruit Borer: Two Distinct Problems; Puckered Grapevine Leaves: Herbicide Drift, Virus, or Mites?; Grapevine Pruned at Wrong Time: Bleeding and Decline; Oak White Floss on Leaf Undersides: Insect/Spider Silk, Need Photos; Diagnosing Yellow Leaves on Agastache: Magnesium Deficiency vs. Iron Chlorosis; Boston Ivy Decline on Brick Wall: Maintenance Needed; Large Holes by Foundation: Multiple Wildlife Suspects; Trumpet Vine Propagation: Seeds vs. Layering for Las Vegas; Pothos: Rejuvenating Bare Vines; Diagnosing Bittersweet Vine Berry Drop

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