Garden Lettuce (Lactuca sativa var.)

Garden Lettuce

Lactuca sativa var.

Crisp, tender leaves offer fresh, mild flavor for salads. Annual leafy vegetable; common names: garden lettuce, leaf 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, but full sun promotes compact, healthy leaf growth
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the root zone to dry out completely
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Temperature Thrives in cool temperatures (10–20°C); bolts quickly when exposed to sustained heat above 25°C
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Characteristics

  • Leaf: Rosette of smooth or ruffled, green to reddish leaves with tender, edible texture
  • Stem: Erect, hollow bolting stem when mature; supports small yellow flower heads
  • Inflorescence: Composite yellow flower heads arranged in loose panicles during bolting stage
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Care Guide

Watering

Keep soil evenly moist; water in early morning to minimize fungal growth risk

Fertilization

Apply diluted, balanced feed every 2 weeks. Use nitrogen-rich feed to support leafy growth during early development

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface and gently work into top layer to release calcium slowly
Pruning
  • Harvest outer leaves regularly to encourage continuous new growth and extend harvest period
  • Remove bolting stems promptly once they appear to redirect energy back to leaf production
  • Trim yellowing or damaged leaves to maintain plant health and improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no harmful effects if ingested by cats

Humans: Edible, non-toxic; safe for human consumption as a leafy vegetable

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Garden Uses & Culture

Culture: N/A

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