For best results, start seeds indoors, and transplant outdoors 3 weeks later. Romaine lettuce comes to maturity in 80 to 85 days. The same is true for heading iceberg types; however, in warm climates where head lettuce doesn’t make a firm head, you can harvest it like leaf lettuce, removing leaves as they get large enough to eat. Iceberg (crisphead) varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown. Crisphead or Iceberg lettuce form firm, compact heads of pale green, overlapping leaves. Harvesting a large crisp head of lettuce from the garden is a wonderful thing, but for faster yields and longer harvests, a cut and come again lettuce bed can put salad on your plate all season long. If five or six heads out of ten are tightly packed inside, the crop is ready for harvest. Learn More How to Grow Lettuce. Growing lettuce in the garden can be a rewarding experience. Cut them in half and check how closely leaves are packed in the head. Sow lettuce seeds in average soil in full sun in early spring for first crop. Harvest Crisphead lettuce—such as Iceberg with a solid, tight, spherical head–when heads are medium-size (6 to 8 inches/15-20 cm), round, and firm. Crisphead lettuce comes to harvest in 80 to 90 days. Savio is quick to remind that “A lettuce is a lettuce is a lettuce, but they all take the same kind of care, and generally the germination rate for seeds are going to be about the same.” Keep Your Lettuce … Put the sowing in a cool space, this will help the seeds grow faster. Depth and Spacing. Romaine lettuce will take about 60-70 days to mature and you will know when to harvest Romaine lettuce when the center leaves grow together to form a lengthy head. Romaine lettuce comes to maturity in 80 to 85 days. And don’t be overly concerned about changing up your care regimen with a new, unfamiliar variety. Romaine lettuce is easy to grow. Everything You Need to Know About Your Lettuce Harvest 1. Take a look at our extensive selection of lettuce seeds … Lettuce tastes sweetest in cool weather, which is why it is such a great fall crop. Single-leaf lettuce plants should be 4 inches (10.2 cm) apart. You can also raise in trays of Yates Seed Raising Mix and transplant when 3-4cm high. This depends on the variety of lettuce. Pick all lettuce before a seed stalk forms. Grows best in cool weather. How to Grow Iceberg Lettuce: Iceberg lettuce seeds can be sowed directly into the garden, or started indoors. Perfect for use in sandwiches or salads, growing your own lettuce is perfect for kick-starting your healthy eating regime. Loose leaf lettuce harvest can begin anytime the leaves have formed but prior to the formation of a seed stalk. Loose-leaf lettuce plants (Lactuca sativa) are fast-growing, cool-weather crops that are easy to plant and harvest.Unlike iceberg, butterhead, and romaine lettuce, these leafy greens and reds do not grow from a head or heart, making them an ideal low-maintenance crop. Lettuces that form dense heads for harvesting whole include creamy butterhead types, upright romaine and cos lettuces and the classic, crunchy iceberg. Iceberg lettuce can be harvested once it forms the pale round head familiar from the supermarket. Lettuce (Lactuca sativa) is an annual plant of the daisy family, Asteraceae.It is most often grown as a leaf vegetable, but sometimes for its stem and seeds.Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps; it can also be grilled. Simply allow the plants to mature on their own. When planting, make sure each seed is planted 1/2 inch deep in the soil. If you get these basics down, you can have home-grown lettuce all through the year! Some varieties of lettuce will be less heat tolerant meaning they will start to flower as soon as it gets warmer in the summer months. Avoid sowing in the hottest and coldest months of the year, try sowing in short rows every fortnight to ensure continuity of cropping. If you have planted heirloom varieties of lettuce, you should plan on allowing some of your best plants to go to seed. Crisphead lettuce requires more space than other types of lettuce and can be finicky when it comes to water. Really, it is due to the lengthening of the days which coincides with the warmer summer months in the northern hemisphere. All five varieties of lettuce (stem, loose-leaf, butterhead, crisphead and romaine) produce seeds in a similar manner: by sending up a seed stalk in the center of the plant. Crisphead or Iceberg lettuce form firm, compact heads of pale green, overlapping leaves. To harvest lettuce, simply cut it off near ground level. In late summer, sow in a protected are that stays below 75 degrees F. Sow thinly in rows 12 inches apart and cover with ¼ inch of fine soil. In warmer parts of the country, plant in early fall for a late fall or winter harvest. Lettuce needs little introduction. How to Harvest Leaf Lettuce To grow lettuce with the “cut and come again method,” it is best to start with loose leaf varieties like mesclun in a variety of colors, flavors and textures. Young leaves will be the tastiest and most nutritious. Sow around eight seeds in a little pot. Saving lettuce seeds from your plants is relatively easy. If they do change to brown, or a flowering stalk appears, harvest immediately. Lettuce is one of the easiest garden vegetables to harvest. Set up your hydroponic system, tend to the plants, and harvest your first crop of lettuce in a matter of weeks. Pick from varieties such as the Iceberg, Cos Lettuce or even Red and Green varieties, there are plenty to choose from to suit your needs. To store lettuce first wash it well by immersing in water and swishing it around. Lettuce has long been a staple salad ingredient throughout Australia and is very easy to grow from seed. Most are ready to be picked just 30 to 70 days after planting, once they’ve reached the size you’d prefer. Let the plants grow to around 1.5-2 inches (3-4 centimeters) and then carefully pull the plants from the pots. Best Container Size: 12"+ Instructions: Sow directly in the garden as early as the soil can be worked in the spring or start seeds indoors 5 weeks before outdoor planting time. LETTUCE - Iceberg - ‘Iceberg’ is the classic head lettuce that everyone loves best. Come September start sowing winter lettuce seeds. The iceberg lettuce head is the convergence of all the leaves over the growth point (see image) of the plant during the season. You could plant lettuce next to your tomato plants or in the same row as your corn to give the necessary shade. Another factor that determines harvest time is the temperature during the growing season. Crispy and crunchy, you’ll enjoy it in salads or even on its own. Saving Lettuce Seed: 3 Easy Methods. Iceberg takes longer than most other lettuces to mature -- about 80 to 90 days, advises Harvest to Table.Plant seeds outdoors when soil temperatures warm to at least 35 degrees Fahrenheit. Crisphead lettuce comes to harvest in 80 to 90 days. How to Grow and Harvest Lettuce Lettuce has been grown for thousands of years (first by the ancient Egyptians) as an easy to grow food crop and for the oil rich seeds. D) Iceberg Lettuce Each pair of lettuce seeds is attached to a white dandelion-like ‘parachute’ called pappus. Quick growing ‘Red salad bowl’ to crispy ’Red Iceberg’ to ‘All year round’ for a continual supply. Baby leaves are best for tender salads. Sow every two weeks to extend harvests. We recommend an indoor start, to allow time for the lettuce to mature, before hot weather sets in. Sow again in midsummer for a fall harvest. Where To Grow Lettuce? Harvesting lettuce will vary a little depending upon what kind of lettuce you have decided to grow. Sow rows of Lettuce every two weeks through the spring until July. When to harvest Cos and Iceberg lettuce. And, for the best flavor, you should harvest your lettuce in the morning. Transplant with care. If seed stalks appear, pick the lettuce immediately and store in the refrigerator to prevent bitterness. Romaine lettuce is easy to grow. If you're planting a crop for fall or winter harvest when the soil is still warm, lettuce seeds … Ideally, you'll pick the lettuce when the outer leaves are a pale green, before they turn brown. Hand Gathering. About a week before your estimated harvest date, walk through your field and pick out a few lettuce heads that look ready. Harvesting Lettuce. Lettuce seeds can sprout as early as 2 days if the soil temperatures are between 55 and 75F (13-24C). We have several lettuce varieties that include Bibb, Green & Red Leaf, Iceberg, Oak Leaf and Romaine. When is it time to harvest lettuce seeds. If you're growing organic lettuce heads, such as iceberg, aim for 12 to 14 inches (30.5 to 35.6 cm) apart. Harvesting Lettuce Seeds An additional consideration when it comes to harvesting lettuce is whether or not you should be planting next year’s salads. There are various types and sub types of lettuce … Grown for its luscious leaves, there’s a cornucopia of both hearting and loose-leaf varieties to explore. Many gardeners have had success growing lettuce throughout the summer by planting it in a shaded spot in the garden. We have seeds for many different varieties of lettuce, including Little Gem, Red Iceberg and Lollo Rossa. Tiny flowers bloom from this seed stalk, and then they self-pollinate to produce seeds. Sow a few lettuce seeds in each cell of a seed tray.Cover seeds very lightly with a fine starter soil. While this type of lettuce can seed like others, it is also the most heat tolerant and you can plant it both in the spring and fall. This will give a constant supply of Lettuce pretty much through-out the year. Leaf lettuce seedlings should be 4 inches (10.2 cm) apart while heads of lettuce should be 6 to 8 inches (15.2 to 20.3 cm) apart. You know the seeds are ready to harvest when the pappus is well developed. and set out in the garden in early August will mature in September when it's cool. Add to Wishlist Quick View. Sow in late summer for fall crop. Types of Lettuce. ... Because the small seeds have to be sown quite shallowly, it will be easier to keep seeds moist during germination if sown in trays. Don’t sow them any deeper, otherwise they won’t be able to grow. Lettuce heads grow best when soil temperatures are cooler rather than warmer. If growing from seed, plant no more than 10 seeds per foot of growing space. How I grow my iceberg lettuce. If you go with leaf lettuce, then you’ll have to trim it off when it is about 4-8-inches tall. Seed Spacing: Sow Heirloom Iceberg Lettuce seeds roughly 18" apart in rows. Lettuce is the easiest vegetable to grow hydroponically, so it’s a great place to start. As the weather warms, plants will go to seed. Romaine or Cos lettuce form leafy green upright cylindrical or oval heads. In the Northeast, head lettuce started in mid-July. Sow a few seeds directly into each planting hole and lightly cover with soil. Lettuce seeds are very tiny and only need to be sown 3mm deep. A series of morphological changes are required before the head is formed and each has to be completed correctly. In modern times it has been cultivated mainly for its edible salad leaves. Lettuce is best grown in as a cool season crop in spring and fall. To have continual harvest plant seeds every couple weeks. 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