How To Grow Lettuce Indoors All Year Long 2022 Start indoors (in fall): 77 to 97 days before the first frost date. hardening off: 7 to 10 days before transplanting. transplant outdoors: between 2 weeks before and 2 weeks after the last frost date. spacing: 6 to 12 inches between plants and 12 to 14 inches between rows. depth: ¼ to ½ seed depth. 10. harvest lettuce anytime. snip lettuce leaves when they’ve grown to the size you want. if you prefer smaller lettuce leaves, cut them when they’re about 6 inches long. avoid cutting the inner leaves of each lettuce cluster to allow the immature growth to continue developing into larger leaves for future harvesting.
How To Grow Lettuce Indoors In Container All Year Long Growing Transplant seedlings. once the seedlings have a few sets of true leaves (when they are about 2 to 3 inches tall), transplant them into larger containers. place them in bright, indirect light, or keep using the grow light. wait 70 to 80 days. after 70 or so days (depending on the variety), your lettuce should be mature. 3. plant and wait. lettuce seedlings at three weeks. moisten the soil to prepare it for planting, then fill containers with about 3 4" of prepared mix. scatter seeds on top of the mix or arrange seeds in rows, trying to keep them about an inch apart. cover the seeds in a very thin layer of planting mix. Lettuce has shallow roots, so three inches deep is fine. aim for something at least six inches wide. the material doesn’t really matter, but i like to use plastic or metal because these are light materials that don’t allow water to evaporate as quickly as unglazed terra cotta. Loose leaf lettuce and heading lettuce appreciates shade outdoors, so don’t put a grow light close to the plant. to begin starting seeds, give them at least 14 to 16 hours of light. lettuce seeds need soil temperatures of 70 to 75 degrees, which is about the temperature of most homes where indoor growing takes place.
5 Proven Ways To Growing Lettuce Indoors In Containers Year Round Lettuce has shallow roots, so three inches deep is fine. aim for something at least six inches wide. the material doesn’t really matter, but i like to use plastic or metal because these are light materials that don’t allow water to evaporate as quickly as unglazed terra cotta. Loose leaf lettuce and heading lettuce appreciates shade outdoors, so don’t put a grow light close to the plant. to begin starting seeds, give them at least 14 to 16 hours of light. lettuce seeds need soil temperatures of 70 to 75 degrees, which is about the temperature of most homes where indoor growing takes place. 8. harvest leaf lettuce every few days. frequently harvesting lettuce encourages the plant to keep growing new leaves. use sharp scissors to cut the largest, oldest leaves from the plants. pick lettuce leaves in the morning when they have the highest water content. 9. Step 4: providing the right light and fertilizer. plants grown in sunlight will lean toward it, so turn the containers every few days to keep your lettuce standing upright. if you are using a grow.
How To Grow Lettuce Indoors In Container All Year Long вђ 8. harvest leaf lettuce every few days. frequently harvesting lettuce encourages the plant to keep growing new leaves. use sharp scissors to cut the largest, oldest leaves from the plants. pick lettuce leaves in the morning when they have the highest water content. 9. Step 4: providing the right light and fertilizer. plants grown in sunlight will lean toward it, so turn the containers every few days to keep your lettuce standing upright. if you are using a grow.
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