Lettuce (Loose Leaf) Growing Guide Lactuca sativa Crop Rotation Group Miscellaneous ● Soil Most soil types but best if it's moisture retentive with some dug in compost. Position In summer, semi-shade, a cool sunny spot or inter-planted between other crops. In winter, full sun Frost tolerant Tolerates light frost. Feeding Not usually required. Spacing Single Plants: 10cm (3") each way (minimum) Rows: 10cm (3") with 15cm (5") row gap (minimum) Sow and Plant Start sowing in early spring and continue every few weeks for a continuous supply. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Early sowings are easily attacked by slugs and snails, so may be best in containers. Thin out to give plenty of room for each plant to grow. In hot summer conditions lettuce can bolt (produce flower heads) and becomes tough and a little bitter. Harvesting Harvest leaves as required over a number of weeks. Troubleshooting Shallow lettuce roots need constant moisture. Do not allow the soil to dry out. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lettuce (Loose Leaf) Aphids (General) Cutworm Leaf Miner Slug Snail Plant Diseases which Affect Lettuce (Loose Leaf) Cucumber Mosaic Virus Lettuce Downy Mildew Lettuce Leaf Drop Lettuce Mosaic Virus