Lettuce Seedlings Leggy & Stretching
Whole plant problem · common pattern reported by gardeners · verify locally
What you'll see
- Thin, tall, pale seedlings
- Stems flop over
- Crowded trays
Most common causes
- Not enough light (seedlings reach for it)
- Too warm (above 70°F) indoors
- Sown too thick
How to fix it
- Move to bright light or add grow light 14-16 hrs
- Thin seedlings
- Repot deeper when transplanting
Prevention: Sow at correct depth and spacing Keep seedlings at 60-70°F Provide light immediately after germination
More Lettuce problems
Grow Lettuce with confidence
Open the Lettuce growing guide → · Planting calendar · Pest & problem diagnoser
ZoneFig content reflects widely published extension-service and gardening guidance. Symptoms and causes are common patterns, not a diagnosis for any individual plant — verify locally and treat conservatively.