Temperature Fluctuations? (Temp Swings)
Large temperature swings stress plants, slow growth, and cause deficiency-like symptoms. Aim for stable temps with max 10°F day/night difference.
Temperature fluctuations? Temp swings stressing plants—see causes and analyze fast.
Common Causes
- Poor climate control
- Outdoor weather changes
- Lights on/off creating big swings
- Inadequate heating/cooling
How to Tell Which One You Have
Slow growth, purple stems (not genetics), leaf issues, plants look stressed. Temps vary >15°F between day/night.
FAQ
How much swing OK?
5-10°F difference day/night is ideal. More than 15°F stresses plants.
Fix?
Better climate control, insulation, heater/AC, adjust light schedule timing.
Damage permanent?
No, plants recover when temps stabilize. But repeated stress weakens plants.