How to Grow Lettuce From Seed?

Marie Iannotti
July 31, 2022

Whether you’re planting in containers or in the ground, make sure the seeds are only lightly covered in soil. Keep the soil evenly moist but not soggy as the seeds germinate, which should take around seven to 10 days. The soil temperature should be at least 40 degrees Fahrenheit and ideally between 55 and 65 degrees Fahrenheit.

Potting and Repotting Lettuce: A quality all-purpose potting mix is typically fine for lettuce. But a mix marked specifically for lettuce is better, as it usually has components to retain adequate soil moisture. Aim to plant lettuce initially in a container that will accommodate its mature size to avoid having to disturb its roots with repotting.

Overwintering: Lettuce is an annual, so no overwintering is necessary. Be sure to harvest in the fall before freezing temperatures arrive.

Common Pests and Plant Diseases: Lettuce typically doesn’t have any serious pest or disease problems. Common pests that might afflict lettuce include aphids, slugs, and snails, as well as wildlife nibbling on the leaves. Diseases include powdery mildew and downy mildew. Growing lettuce in the environment it likes can help to prevent pest and disease issues.