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Vegetable Β· Easy to grow
Lettuce
Lactuca sativa
A quick salad crop for most of the year in Adelaide, with leafy types ready in 6 to 8 weeks. It prefers cooler months; in summer give afternoon shade and plenty of water, or it bolts and turns bitter. Sow small amounts often for a steady supply.
- SunFull sun or part shade
- Spacing25 cm apart
- First pick7β10 weeks
- FrostHandles light frost
- HeatStruggles in heat
- Sow depth5 mm
When to plant where you live
Checking your areaβ¦
Add lettuce to my gardenVarieties (4)
- Butterhead (e.g. Buttercrunch)Soft, tender heads; good for small gardens
- Cos (e.g. Paris Island)Upright, crisp and more heat tolerant than iceberg
- Iceberg (e.g. Great Lakes)Crisp heads; best in autumn and spring, bolts in summer heat
- Loose-leaf (e.g. Green Mignonette, Red Salad Bowl)Pick-and-come-again leaves; slow to bolt
Neighbours
Grows well with
From seed to plate
Plant
25 cm apart, seed 5 mm deep. Full sun or part shade.
Water
Little and often.
Feed
Liquid feed fortnightly.
Pick, from about 7 weeks
Pick outer leaves or cut whole heads.
Good to know
- Pick outer leaves of loose-leaf types to keep plants going for weeks
- Sow a short row every 2 to 3 weeks
- Water in the morning so leaves dry before night
Common problems
- Bolting and bitternessplant in cooler months or in part shade in summer; keep moist
- Slugs and snailshand pick at night, use beer traps or iron-based baits
- Aphidshose off, encourage hoverflies with flowering herbs nearby
- Poor germination in hot weathersow in the evening and keep shaded and moist; seed won't germinate well above about 25 Β°C
If you use a garden chemical, follow the label exactly. Try organic options first, and ask the community or Plant Doctor if you're unsure.
Guides
Where this information comes from
- Australian seed company regional sowing charts (temperate zone) (germination, low confidence)
- UC Master Gardener Program (UC ANR): soil temperature conditions for vegetable seed germination (germination, medium confidence, checked 27 Oct 2026)
- ABC Gardening Australia fact sheets (growing, low confidence)
- ABC Gardening Australia plant finder: Lettuce (growing, medium confidence, checked 27 Oct 2026)
- Sustainable Gardening Australia: planting guides (sowing window, low confidence)
Reviewed by AI cross-check (Claude), not a horticulturist on 27 Oct 2026. Version 2.