Garden Lettuce (Lactuca sativa)

Garden Lettuce

Lactuca sativa

Crisp, tender leaves bring fresh garden sweetness to salads. Edible annual leafy vegetable; common name: garden lettuce.

Partial sun
2–3/week
Beginner
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Plant Needs

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Sunlight Partial sun to full sun; tolerate light shade in hot climates to prevent bolting
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Watering Keep soil consistently moist but not waterlogged; avoid drying out completely to maintain leaf tenderness
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Temperature Thrives in cool temperatures; bolt quickly when exposed to sustained heat above 25°C
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Characteristics

  • Leaf: Rosette of smooth or ruffled leaves; color ranges from pale green to deep red
  • Flower: Small yellow composite blooms on tall bolting stems
  • Stem: Short, compact rosette stem; elongates when bolting to produce seeds
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Care Guide

Watering

Water deeply 2–3 times weekly; avoid wetting leaves to prevent fungal disease

Fertilization

Light diluted feed once monthly. Use balanced organic fertilizer to support leaf growth without promoting excessive bolting

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to add calcium and deter slugs
Pruning
  • Harvest outer leaves regularly to encourage continuous new growth from the rosette center
  • Cut back bolting stems promptly to redirect energy to leaf production
  • Remove yellowing or damaged leaves to maintain plant health and airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no adverse effects reported

Humans: No known toxic effects; widely consumed as edible vegetable

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Garden Uses & Culture

Culture: N/A

Usage: Edible leafy vegetable for salads, sandwiches, and cooked dishes