Troubleshooting
Little Gem Lettuce problems — and how to fix them
Little Gem Lettuce (Lactuca sativa 'Little Gem') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Bolting
Summer heat and dryness push plants to flower early and turn bitter before hearts fill. Grow in cool seasons, keep evenly watered, and shade in midsummer.
Slugs and snails
Compact hearts and tender leaves are prime slug targets in damp weather. Protect with barriers, traps or evening collection, especially around seedlings.
Tip burn
Brown leaf edges inside the heart from calcium shortfall driven by uneven watering or heat. Maintain steady moisture and avoid heat stress.
Damping off / rot
Seedlings collapse or hearts rot in cold, wet, crowded conditions. Sow into well-drained mix, avoid overcrowding, and don't overwater in cool weather.
Prevent little gem lettuce problems before they start
Most little gem lettuce issues are care-mismatch, not bad luck. Dial in the basics:
- Common lettuce problems — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Little Gem Lettuce watering schedule
- Little Gem Lettuce light requirements
- Best soil mix for little gem lettuce
- Little Gem Lettuce temperature & humidity
- Full little gem lettuce care guide
Looking for little gem lettuce in general rather than its problems? Read the full little gem lettuce care guide — light, water, soil and feeding.
Little Gem Lettuce problems — FAQ
Why is my little gem lettuce bolting?
Summer heat and dryness push plants to flower early and turn bitter before hearts fill. Grow in cool seasons, keep evenly watered, and shade in midsummer.
Why is my little gem lettuce slugs and snails?
Compact hearts and tender leaves are prime slug targets in damp weather. Protect with barriers, traps or evening collection, especially around seedlings.
Why is my little gem lettuce tip burn?
Brown leaf edges inside the heart from calcium shortfall driven by uneven watering or heat. Maintain steady moisture and avoid heat stress.
Why is my little gem lettuce damping off / rot?
Seedlings collapse or hearts rot in cold, wet, crowded conditions. Sow into well-drained mix, avoid overcrowding, and don't overwater in cool weather.