Botanic Garden >> Gardening > >> Question and Answer >> Plant Diseases

Red Oak Oozing Dark Fluid: Bacterial Wetwood (Slime Flux)

Fermenting Smell and Foam on Red Oak? Bacterial Wetwood

Dark ooze with fermentation odor and white foam is classic bacterial wetwood. It's a chronic condition, not usually fatal. See Extension bulletin for details.

Plant Diseases: Red Spots on Oak Leaves: Leaf Spot or Gall Insects?; Black Oak Sudden Oak Death or Slime Flux in California Mountains; White Oak Leaf Galls: Wasp Diversity, No Health Threat; Shumard Oak Acorn Production: Timing, Quantity, and Variability; Red Oak Distress After Lawn Aeration: Root Damage Likely Cause; Red Oak Losing Limbs in Summer: Drought Stress, Not Borers; Decay Fungus Conks on Red Oak: Not an Emergency; Red Oak and Pin Oak Near House: Placement Concerns; Oak Diseases: Anthracnose, Root Rots, Bacterial Leaf Scorch, and Oak Wilt; Bacterial Leaf Scorch on Oaks: Diagnosis and Distinction from Drought Stress

Garden Articles

Vein Pocket Gall on Red Oaks: Identification and Low‑Cost Management

Oak Borer Infestation: Assessment and Neighboring Tree Protection

Red Oak vs. Live Oak for Small Yards: Root Systems & Spacing

Red Oak Aphid Infestation: Systemic Treatment Timing and Pruning Coordination

Frost Cracks and Sunscald on Young Red Oak

Watering New Red Oak: Ditch the PVC, Use Sprinkler Method

Red Oak Transplant Shock in Texas Heat

Plants

Red Oak Hollow Trunk: Natural Aging, Not Imminent Hazard

Identifying Harmless Bark Lice on Texas Red Oak

Texas Red Oak with Trunk Decay Fungus

Leaf Galls on Red Oak: Cosmetic, No Treatment Needed

Oak Leaf Galls in Coastal Maine

Aphid Honeydew on Red Oak: The Real Cause of "Sap" Dripping

How to Identify a Red Oak Tree