Look for heat-resistant varieties when growing in warm climates. Kweik butterhead lettuce has shown great resistance against tip-burn, mildew, and stem rot. Harvest outer leaves as needed and allow them to regrow for future harvests. Water in the morning if possible. Lettuce is a cool (not cold) season crop;it thrives when temperatures are between 60℉ and 70℉ (15. 6℃ and 21. 1℃). To avoid problems with disease, try not to get water on the leaves when watering. In warm weather, choose a shady spot for your container-grown lettuce. Allow most vigorous and tastiest plants to bolt & flower. Grow in spring and fall. Thin seedlings (enjoy them as baby greens) until leaf lettuce is about 4″ (10. 16 cm)apart, head lettuce is12″. Planting in containers also avoid. Sprinkle 1/4 soil on top, keep evenly moist until germinated. · learn how to plant lettuce for a non-stop crop of tender greens. Plant lettuce in compost-rich, well-draining soil. Thin the seedlings so that you have plants growing six inches (15 cm. ) apart. Cut lettuce holds best when harvested in the morning and cooled rapidly. Sow kweik lettuce seeds outdoors in spring & fall every 3 weeks. Make sure the soil stays moist but also drains well. Packet is ¼ gram, about 200 seeds. Find out the best location, soil tips, planting times, seed spacing, and how to protect your crop for a fresh harvest. Kweik is an old variety from holland. Tender, buttery leaves are densely wrapped around a creamy heart. A self-watering containergives lettuce ready access to the water it needs. See full list on growinginthegarden. com · sow your kweik lettuce seeds in soil to about a quarter inch (0. 5 cm. ) depth. Do not let seeds dry out until they germinate. Do not allow lettuce in containers to dry out. You can plant seeds every few weeks to get a constant supply of lettuce. Large lime-green heads are quick to form, even in cold temperatures of early spring and late fall. Lettuce has a shallow root system and requires frequent watering. dry conditions cause lettuce to become bitter and/or bolt. Seed saving instructions: Becauselettuce has a shallow root system, it is a good choice for containers. Lettuce does best when planted directly from seed. Learn more about cut-and-come-again harvestingin this guide. Hot weather often causes lettuce to bolt and/or become bitter. When you harvest your lettuce right before eating, you don’t have to worry that the lettuce has gone bad. To plant lettuce from seed, plant seeds every ½” (12 mm) or so and lightly cover with soil. Lettuce is a great choice for the “cut and come again” method. Its quick, easy, and perfect for garden beds and containers. Begin planting lettuce fourweeks before the last spring frost date. plant lettuce again in the fall in warm cl. Use good quality potting soil. To harvest the entire plant, cut off with s. Bred for disease resistance. · learn how to plant lettuce successfully with this complete, easy-to-follow guide. For salad mix or baby leaf production, harvest individual leaves when they reach desired size, or cut evenly across the bed making sure to stay above the growing tip.