Lettuce

Lettuces in Dundee

Lactuca sativa

A fast-growing leafy green vegetable with crisp, tender leaves. Lettuce comes in many varieties including butterhead, romaine, leaf, and iceberg types. It's a cool-season crop that thrives in spring and fall, offering mild to slightly bitter flavors depending on the variety.

Height30cm
SunlightPartial Shade
WaterHigh Water

Growing Guide

Step-by-step instructions for growing Lettuce

Planting Calendar

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Growing Guide for

Change the guide to see different planting timelines and tips.

The easiest method for growing lettuce. Sow seeds directly in the ground for a continuous harvest through spring and autumn.

1
Prepare Soil

26 Mar - 2 Apr

Choose a spot that gets full sun in spring or partial shade in summer. Work compost into the soil to improve drainage and fertility. Lettuce prefers loose, well-draining soil rich in organic matter.

2
Sow Seeds Outdoors

26 Mar - 21 May

Sow seeds thinly in rows or broadcast across beds, covering with of soil. Space rows apart. Water gently to settle the soil. Seeds germinate best at .

3
Thin Seedlings

7 May - 14 May

When seedlings reach tall, thin them to apart for leaf lettuce or apart for head lettuce. Use the thinnings in salads.

4
Water Regularly

30 Apr - 2 Jul

Keep soil consistently moist throughout the growing period. Water in the morning to reduce disease risk. Lettuce needs about of water per week. Inconsistent watering leads to bitter leaves.

5
Succession Sow

23 Apr - 18 Jun

Sow new seeds every 2 weeks from April through early summer for a continuous harvest. Stop sowing in hot weather and resume in late summer for autumn crops.

6
Harvest Leaf Lettuce

23 May - 12 Jun

Begin harvesting outer leaves when plants are tall. Cut leaves about above the base to encourage regrowth. Harvest in the morning for best flavour.

7
Harvest Head Lettuce

22 Jun - 12 Jul

Cut whole heads at the base when firm and full-sized. Harvest before hot weather causes bolting. Best picked in early morning when leaves are crisp.

Companion Plants

Plants that grow well (or poorly) with Lettuce

Why Companion Planting Matters

Companion planting can help deter pests, improve pollination, enhance growth, and maximize garden space. Some plants release chemicals that repel pests or attract beneficial insects, while others can improve soil quality or provide shade for sensitive plants.

Suggested Varieties

Popular varieties of Lettuce to consider

Little Gem

A compact cos variety perfect for small gardens and containers. Forms crisp, sweet heads in 7-8 weeks. This Victorian favourite thrives in cooler UK weather and resists bolting. The crunchy hearts work beautifully in salads or grilled whole.

Tom Thumb

A heritage butterhead lettuce dating back to the 1850s. Produces tennis-ball sized heads with soft, buttery leaves and sweet flavour. Perfect for small gardens, raised beds, and containers. Matures quickly in 6-7 weeks. Cold-hardy and excels in spring and autumn plantings.

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