Simple Steps to Success: Fruit and Vegetables in Pots,
Butterhead Lettuce Develop Dense Central Hearts
Butterhead, cos, and criphead lettuces all develop dense central hearts of leaves if left to mature, providing generous crops for salads.

Step 1: Make Drills in Soil for Lettuce Seeds

Make Drills in Soil for Lettuce Seeds

Long, slim pots or fabric bags fit snugly onto a windowsill and look attractive with woven willow surrounds. Fill them with compost to about ½in (1cm) below the rim and make drills ¼in (½cm) deep and about 2in (5cm) apart.

Step 2: Sow Lettuce Seeds Along Prepared Drills

Sow Lettuce Seeds Along Prepared Drills

Pour seed into the palm of your hand and sprinkle it into each drill using your thumb and index finger. Cover the seeds lightly with compost and water thoroughly using a can with a fine rose to avoid disturbing the seeds.

Step 3: Water and Harvest

Windowsill Lettuce Cut and Come Again Crop

Keep the compost moist and when the seedlings are 2–4in (5–10cm) in height, cut them as required, about 1in (2.5cm) above soil level. The plants should then sprout new leaves which can be harvested about two weeks later.

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