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Growing Lettuce

Growing Lettuce

Multileaf Lettuce Blends



A cool season leafy vegetable available in multiple forms, including Batavia, Butterhead, Head (also called Iceberg), Leaf, Romaine, and Mesclun Mixes. Lettuce is suitable for both spring and fall production.

How to Plant

For spring crops, direct sow or transplant seedlings up to 4 weeks before the last spring frost. Transplants should be spaced 8-12 inches apart with 12 to 18 inches between rows. For an extended harvest, sow every 2 weeks or plant varieties with different times to maturity. Sow or transplant in late summer for fall production.

For an earlier harvest, start seed indoors 4 to 6 weeks before planting outdoors in a sterile starting mix kept at 68-80°F. Cover lightly with 1/8 to 1/4 inch of medium as light is beneficial to germination. Expect germination in 7 to 14 days. A packet contains about 1,000 seeds except where noted and sows 50 feet of row, while an ounce will sow 300 feet of row and contains 20,000 to 25,000 seeds.  


For full sun in moist, well-drained soil. Can be grown in part shade, and best given afternoon shade in hot climates. Plants are shallow-rooted, require consistent moisture, and benefit from mulching. Hot temperatures causes Lettuce to develop a bitter flavor and promotes early flowering. Individual leaves of Leaf, Romaine, and Mesclun Mixes can be harvested as desired. Heading types should be allowed to mature fully before harvest.

Fertilizer Recommendations

Use full rates of Algoplus All-Purpose Liquid Fertilizer 6-6-6 or Neptune Fish & Seaweed Fertilizer 2-3-1.

Common Problems

Lettuce is easy-to-grow and not often bothered with serious problems. Aphids, cutworms, leafhoppers, snails, slugs and downy mildew are occasional problems.

Alternative Products

Other leafy vegetables include Arugula, Endive, and Spinach.

Product Recommendations

A moderate feeder that benefits from regular fertilization. Sluggo Plus can be used to control slugs and snails. Use new Net Grow Tunnel in hot climates and for summer production to shade plants.

Lettuce Facts

Lettuce has a long history of cultivation and has been grown for over 4,000 years.


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