Lettuce
Lactuca sativa
Leaf Lettuce
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Care requirements
| Watering | every 2-3 days — Keep soil consistently moist |
|---|---|
| Light | Bright, indirect to partial sun |
| Humidity | 40%–70% (ideal 55%) |
| Temperature | 10–21°C (ideal 17°C) |
| Fertilizer | Every 2 weeks — Balanced liquid |
| Soil | Rich, moisture-retentive (pH 6.0–7.0) |
Quick answers
How often should I water Lettuce?
Water Lettuce every 2-3 days. Keep soil consistently moist.
How much light does Lettuce need?
Lettuce grows best in bright, indirect to partial sun light.
Is Lettuce safe for cats and dogs?
Lettuce is listed as non-toxic to cats and dogs, though chewing any plant can upset a pet's stomach.
What is the most common problem with Lettuce?
Yellow leaves is the most common problem. Likely causes: overwatering, heat. What to do: water less; cooler spot.
Common problems & fixes
Yellow leaves
Causes: Overwatering, Heat
Fix: Water less; Cooler spot
Brown tips
Causes: Underwatering, Dry air
Fix: Water more; Mist
Drooping
Causes: Heat stress, Bolting
Fix: Cool conditions; Harvest young
Safety
Pet-safeHuman-safe