Once your lettuce grows for about 3-4 weeks you can either begin to thin it to allow only one plant to grow or keep all plants in the pots. And lettuce is a great plant to start with if you want to ease into year-round growing. *If you put your seeds closer than 4 inches they will burn and die. Depending on where you live, this type of lettuce can be harvested anywhere from 30 to 70 days. If you want to know your last frost date then I recommend Clicking HERE. Keep holes approximately 2 feet apart to allow for the most lettuce grow. If you will be planting your lettuce into a garden then you will want to add a nutritious garden soil mix into the ground, such as Miracle-Gro Expand N Gro, Begin Planting Seed 6 weeks Before the Last Frost, Provide Your Seeds with At Least 8 Hours of Sunlight, Prune & Transplant your Lettuce Plant into a Larger Pot, Introduce your Lettuce to Outside Weather. As the seeds germinate, you may have to thin them out. University of Arkansas, Lettuce, Downy Mildew. The seeds typically sprout in seven to 10 days. The goal with hybrids is to produce a plant that contains the best features of both parent plants. To maximize lettuce production, plant seeds in raised beds. If you want to learn more about growing Lettuce in containers, I recommend watching the below video: Lettuce is one of the easiest vegetables to grow outside, no matter where you live. Use an insecticidal soap or citrus oil to combat these. To help prevent this I recommend planting it in a raised garden bed. Lettuce (Lactuca sativa) can be grown in nearly all climate zones, but as a cool-season vegetable it does best when growing in the spring and fall—or even winter in southern climates.During hot weather, the plants bolt (send up flower shoots to produce seeds), and at … You will then place it in your 5-gallon pot and fill it with soil. Lettuce grows best in a full-sun location, but it can benefit from some shade in hot climates, or during the hottest months. If you start the seeds inside, the plants can benefit from an earlier planting date, and therefore a longer growing season. And if you don’t have the time or ability to create compost then I recommend buying Miracle-Gro Plant Food for your lettuce. Growing lettuce can be a little bewildering since there are so many subvarieties. How to grow lettuce. You will only need to apply compost or Miracle-Gro Potting Mix. Growing lettuce is great to do with kids, because it’s so easy to grow and it grows so quickly. Lettuce (Lactuca sativa) can be grown in nearly all climate zones, but as a cool-season vegetable it does best when growing in the spring and fall—or even winter in southern climates. Finally, water your lettuce once a day for about 30 seconds. You may, however, battle aphids, leafminers, or whiteflies. Then turn your existing small pot upside down, pinch the bottom of it, and then gently pull the soil and your plant out. To keep the soil fertile, feed it with composted organic matter about one week before you seed or transplant. Warm temperatures, over 70F, as well as changing day length, will trigger the plant to spend its energy in forming flower stalks. Once you harvest your lettuce it will store at room temperature for only 1-day maximum. If you put them further away than 4 inches there is a chance they won’t get enough sun to germinate.*. Hybrid seeds were made from combining the genes of the same group of plants. Lettuce is traditionally planted by seed outdoors as soon as soil reached 40 degrees Fahrenheit, in order to ensure that it matures before the weather becomes too warm. If growing from seed, plant no more than 10 seeds per foot of growing space. Cori is a freelance writer based out of Ontario, Canada, who specializes in houseplants and houseplant care. Gardeners do not have access to GMO seeds and organic seeds is a marketing term and not truly a type of seed. Dig your holes in an area that will receive partial shade. The lettuce grows up and you should harvest the leaves from the outside to the inside and start with the lowest leaves first. These seeds contain all the lettuce original traits and produce some of the most beautiful and best-tasting lettuce out there. The soil should be loose and drain well so it’s moist without staying soggy. Please read below for instructions on how to grow lettuce from seed both indoors and outdoors. What Type of Fertilizer Should I Use for My Lettuce? You will want to start your seeds inside approximately 6 weeks before you plan on moving your lettuce into your garden or moving your planter outside. This is the temperature needed so that your seeds can turn into plants. It will take approximately 10 days for your seeds to germinate or “pop” through the soil. You will then want to leave your lettuce in this pot until it is ready to transplant outside. Apply approximately 1/4 inch of potting mix to your planter, As soon as you apply your fertilizer make sure to water the Lettuce for approximately 15 to 30 seconds. Lettuce goes from seed to baby greens in 5-6 weeks, and seed to … You should be able to get an earlier start in the spring and a later crop in the fall. You will do this until the seeds germinate and then continue doing this until they become at least 3 inches tall. The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. You can do this by taking scissors and snipping the smaller of the plants right at the soil line. Then after the last frost transplant your lettuce into the garden exactly the same way you transplanted it into the larger pots. The ideal soil pH is slightly acidic to neutral—6.0 to 7.0.