Humidity Too High in Flowering? (High RH Buds)
High humidity in flower (>60% RH) increases risk of bud rot, mold, and powdery mildew. Critical to control in late flower.
Humidity too high in flowering? High RH risking mold—see causes and analyze fast.
Common Causes
- Poor ventilation
- Too many plants
- No dehumidifier
- Outdoor rainy weather
How to Tell Which One You Have
RH stays above 60% in flower. May see mold, bud rot, or powdery mildew. Buds feel damp.
FAQ
Ideal RH flower?
50-55% early flower, 45-50% mid flower, 40-45% late flower. Lower is safer.
Fix?
Dehumidifier, increase exhaust, reduce plants, improve airflow, raise temps slightly.
Bud rot risk?
Very high if RH >60% in late flower. Inspect buds daily for rot.