Leggy Growth Light Deficiency Symptoms on pothos
What's Happening
Etiolation manifests when light intensity drops below 100-500 foot-candles (1000-5000 lux), triggering phototropic stem elongation as the plant stretches toward light sources. Internode length increases 2-3x normal spacing (from 1-2 inches to 3-6 inches), leaves become smaller and paler with reduced chlorophyll production, and new growth emerges exclusively from the vine tip while lower stems become bare. Variegated varieties lose coloration entirely, reverting to solid green as the plant prioritizes chlorophyll efficiency over aesthetics.
How to Fix It
- 1
Measure light with phone lux meter at plant location: readings below 1000 lux confirm insufficient light
- 2
Relocate to bright indirect light position (east/west window with sheer curtain, or 2-3 feet from south window)
- 3
If relocation impossible, install full-spectrum LED grow light 12-18 inches above plant providing 12-14 hours daily at 2000-3000 lux
- 4
Prune affected leggy sections at soil level to remove weak growth and redirect energy to new compact shoots
How to Prevent It
Maintain minimum 200-400 foot-candles (2000-4000 lux) consistently; rotate plant 90 degrees weekly to prevent uneven stretching; supplement with grow lights during winter months when natural light drops below thresholds.
Related Problems
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