Harvest leaves all at once or a … Mature plants aren't as tolerant of freezing as seedlings. Winnowing is difficult because seeds and chaff are about the same size and weight. The ribs of romaine turn a milky color if the lettuce is left on the plant too long. Many varieties of lettuce can be harvested as microgreens, baby greens, leaves, or entire plant. 'Mature leaves' can be harvested from all type of lettuce except for iceberg any time in the growing cycle, until a central stem begins to form. Once the lettuce is uprooted, pat the dirt back in place so there isn’t a hole left in the garden patch. That means you need to plant your crop when it’s still quite chillyin the spring and/or in the fall, after the heat of summer has dissipated. If the weather is warmer than normal, your lettuce will be ready a few days earlier. Microgreens are usually harvested within 2 weeks after germination by cut entire plant just above the ground, once it is around 3-4" tall. Lettuce can be stored for 1-2 weeks if refrigerated. Cut them in half and check how closely leaves are packed in the head. At maturity (typically 70-75 days), the leaves can reach heights of 10" or so, with a dark outer coloring and white heart lower down the head. COs lettuce should develop a firm/cripsy centre....but you can pick them whenever you want....if you have lots of them you may want to use a few early as salad leaves otherwise you may find they are all ready at the same time. Sow in 1-inch cells 3 to 4 weeks before transplanting outside. Looseleaf, butterhead and romaine types can typically be harvested as baby greens, while iceberg lettuce is not suitable as baby greens. Harvest the heads when the ribs along the bottom-center of each romaine leaf are fully formed but not overly large or thick. Many varieties of looseleaf lettuce can be harvested numerous times during a single growing season after being cut approximately 1" above the ground. Avoid overly large heads of romaine, which may have tough, fibrous leaves. Store for 5-7 days in a plastic bag in the refrigerator. Sow seed 1/8 inch deep, 1 inch apart in rows 12 to 18 inches apart. Romaine Lettuce is such a kind. The dust produced during cleaning causes irritation to the lungs and eyes. Harvest in the morning. Put the seed through a fine mesh sieve that allows the seeds through but retains the chaff and plumes; this will give relatively clean seed. For extra cleaning use reverse screening, with a smaller mesh that retains the seed but lets small pieces or chaff and plume through. You can find this variety in the following Seed Packs: Click the packs below to see some of our other wonderful products. Heirloom seeds are the gardeners choice for seed-saving from year-to-year. Make succession plantings every week or two, and grow several varieties with different maturity dates for a continuous supply. the lettuce may be a cool-weather variety planted out of season or the weather has been much warmer than normal. 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. You will often find it in Caesar salads. too much nitrogen can cause 'fluffy' heads, where the heads are being grown too quickly and aren’t able to form a head before bolting. As such, this cold-hardy, leafy vegetable grows best when temperatures fall somewhere between 45 and 80°F. Water at soil level, rather than overhead, to minimise risk of disease. Learning to save seeds is easy and fun with these books. Now, remembering that lettuce ar… Queensland Government, Fraud, corruption and misconduct control policy, Economic recovery—support for Queensland producers announced, Back to work in agriculture incentive scheme, Agriculture research, development and extension (RD&E), Enhancing biosecurity capability and capacity in Queensland, Biosecurity policy, legislation and regulation, Eradicating varroa mites – the sweetest success, Workplace health management plans: COVID-safe farms, AgTech: Where agriculture meets technology, Food pilot plant: Making food dreams come true, Please contact us with your compliment or complaint. Before you harvest, consider which varieties you might want to save seeds from so that your harvesting practice includes plants chosen for seed saving. As soon as the lettuce leaves reach a couple of inches in length, you can begin harvesting “baby lettuce.” To harvest individual leaves, use scissors to cut off the outer leaves near the base of the plant. Harvest whole heads of lettuce in one go by simply pulling up the plant from the ground. When it is dry place it in a plastic bag in the refrigerator or wrap in paper towels and place in a bowl in the refrigerator. Lettuce Varieties: Bibb, Black Seeded Simpson, Buttercrunch, Butterhead, Cos, Crisphead, Green Leaf, Head, Iceberg, Leaf, Looseleaf, Mesclun Greens, Oakleaf, Parris Island, Red Leaf, Red Salad Bowl, Romaine. From basics like romaine and iceberg, to buttery Boston or Bibb, to fancy loose-leaf varieties that curl and twist and come in red and green, there are plenty to choose from. Lettuce is a classic ingredient in salads. Consider recent weather patterns and research the lifecycle of the lettuce variety you’ve planted. For an early start, seeds can be started in flats 4 weeks prior to the last frost and transplanted outdoors in mid to late spring. Ask your seedling nursery or the seed company how many days the variety normally takes from seeding or transplanting to harvest. Iceberg lettuce should be compact and firm, yet springy. Rub the seed heads between your hands to release more seeds. It keeps best at 32 degrees with 96% humidity. Entire plants can be harvested in mid-development while the leaves are still plump and tender, but before a stem has started to form. To … It is also popularly known is Cos lettuce due to its origin in an Island called “Cos” . Lettuce that is split open or bolted has started to flower. Recipes. Rubbing separates the plumes and chaff from the seeds. Locate plants where they will be partially shaded by taller nearby plants, latticework or other screen. Many gardeners wrap leaves in moist paper towels. To get an early start, prepare beds the previous fall by working in manure or compost and raking smooth to leave a fine seedbed. if only some of the lettuce is bolting, the block may be variable in its maturity. Before maturity, you can harvest leaf lettuce by simply removing outer leaves so that the center leaves can continue to grow. I planted lettuce in flats August 19th during a week that temperatures remained in the 80s – perfect temps for lettuce germination. Romaine lettuce is the term more often used in the USA to describe a Cos lettuce. The best of its kind. For fall crops, time maturity around time of first expected frost. Harvest butterhead types when they have formed heads and the leaves are a good size. You may be stressing the crop. Home > Guides > Vegetables > Lettuce > Cos Lettuce, Binomial Name: Lactuca sativa It originated off the Greek Island of Cos and is considered to be the oldest form of cultivated lettuce. You can harvest the whole plant at once by cutting it off at ground level. Lettuce is such a staple that you may be apt to overlook how varied and versatile it really is. For loose-leaf varieties, cut outer leaves on a cut-and-come-again basis and allow inner leaves to remain and develop. Space plants 6" apart, with 12" between rows. You can pick off some of the outer leaves as you need them, remembering to break the leaves off near the base. Remove harvest debris to improve regrowth quality. Ideally, the whole planting is cut in one pass, but sometimes two cuts several days apart, may be necessary to maximise head quality. Lime to at least 6.0. Garden Types. more bitter lettuce. Parris Island, or Cos Lettuce, is a popular variety of Romaine Lettuce, and is recommended for its crispy, flavorful leaves. Cutting every other plant at the ground will give remaining plants more space for growth. Water lightly but consistently. Harvest lettuces by cutting rather than pulling. When completely dry, shake the flower stems in the bag. Mulch to retain moisture and suppress weeds (unless slugs are a problem). 15 June 2010 at 8:50AM Romaine and Butterhead lettuce can be harvested in about 60 to 70 days from planting. When you harvest will depend on the season and the variety you’ve planted. if one area of the crop is better than another, there could be an issue with nutrition or irrigation. May 28, 2014 - Harvesting romaine lettuce at just the right time ensures optimal taste. Lift them just before you need them for best taste and the freshest leaves. Butterhead or romaine types can be harvested by removing the outer leaves, digging up the whole plant, or cutting the plant about an inch above the soil surface. Parris Island was first developed in the late 1940s, and is named for the region in southern South Carolina. Avoid storing lettuce with apples, pears or bananas as they release a natural ripening agent that will cause brown spots and the leaves will decay quickly. You call it Romaine or Cos, this lettuce is one of the best when it comes to nutrition and ease of growing. Typically it is a tall lettuce with long slender leaves and at maturity forms an elongated cupped 'heart'. It has a … Harvest the lettuce when it reaches between 6 and 8 inches tall, with leaves that begin to tighten. If you don’t want to cut the whole plant at once then snip or break away older leaves—whatever size—from the outside allowing younger leaves at the center (called the central bud) to … Picking these leaves also helps to keep the lettuce growing for longer. It’s funny that big strapping pumpkins and acorn squash are fragile little babiesand something as delicate as lettuce is considered hardy. You can choose to harvest your lettuce as it grows or wait until full maturity. Butterhead, also known as Boston or Bibb lettuce. Some other general guidelines when collecting the entire plant: Leaf lettuce can be cut as soon as it is large enough to use, usually in 50 to 60 days from planting. In … The Genesis Garden s a very popular Bible Garden collection. Romaine or Cos lettuce grows upright forming tightly packed narrow heads. Lettuce is a favorite in the garden because it is relatively easy to grow, is one of the first crops that can be planted, and is one of the first crops to yield in the spring. When to harvest Cos and Iceberg lettuce About a week before your estimated harvest date, walk through your field and pick out a few lettuce heads that look ready. Harden seedlings by reducing water and temperature for 3 days before transplanting. Some winter varieties need cold weather to heart-up properly and form a solid head. Or enjoy your lettuces over a longer period by cutting just a few leaves from each plant at a time. Amend prior to planting if needed. Lettuce is traditionally a cool season veggie (a bit like coriander), which means they prefer to be planted in cooler weather. Iceberg (crisphead) varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown. Cut the heads below the crown. Sensitive to low pH. Lettuce is a cold weather crop. Instead we suggest that you go to your local garden centre to find out what’s available locally. Baby greens are collected when between approximately 28-35 days after germination, and are collected. If growing in summer, select a partially shaded location, or one that receives primarily eastward exposure to mitigate the potentially damaging effects of excessive heat upon lettuce. Save However, that doesn’t mean you have to … Place it in a colander and rinse then drip dry. See all of our brand-new seed pack offerings in our store. 17 Oct 2013, © The State of Queensland (Department of Agriculture and Fisheries) 2010–2020. You can choose to harvest your lettuce as it grows or wait until full maturity. Cut them in half and check how closely leaves are packed in the head. For leaf lettuces, you can harvest the entire plant or only the outer leaves as needed. If cleaning large amounts use a mask and goggles or clean outdoors. To encourage tender and tasty growth, make sure location is rich in organic compost matter. GROWING NOTES. Try different varieties of lettuce. The Three Sisters Garden was the first example of companion planting in Native American culture. Leaf Lettuce – Easiest type to grow. Direct seed or transplant in early spring, as soon as you can work the soil. Lawn And Garden. For heads of lettuce, cut the plant at the soil line to harvest it. Very hard heads may be overmature and bitter. Become an Affiliate| Private Label Seeds | Contact Us. stunted lettuce may look like the heads are not filling out. Moisture, stress, and high temperatures, particularly at night, encourage bolting. Head Lettuce: Keep 14–20 days, less for delicate types like butterhead and oakleaf, and longer for lettuce grown slowly in cooler temperatures. Leave the inner leaves intact and the entire lettuce plant will continue to grow. You don’t need to pick the whole lettuce. Be sure to check out our newest seed packs, available now from Heirloom Organics. You can also dig around in the soil a bit to remove any leftover roots that may be stuck in the soil. Parris Island Lettuce Info. When plants have two or three true leaves, thin to 12-inch spacings for crisphead varieties, 6 to 10 inches for other types. Romaine grows in a tall head with long, narrow, thick leaves growing tightly together. Lettuce grows best in full sun, though excessive heat can cause plants to bolt to seed, or leaves to wilt. Named after Parris Island, a small island off the eastern seaboard in South Carolina, Parris Island lettuce was first introduced in 1952. Last updated: To harvest: Lettuce can be picked whenever real leaves form. The next time you chop up a head of cos lettuce for salad, hang on to the very bottom. Keep soil moist to keep plants growing continuously. There are so many varieties of lettuce available for gardens now that if we included them here, this would be a very long article. The stem end of a head of iceberg lettuce may look brown. Cos lettuce can also be stored this way, or broken down into individual leaves and stored as you would with a loose-leaf variety. In cold weather it might take six or seven days longer before being ready to harvest. Romaine Lettuce, also known as “cos” lettuce in England, has been eaten for almost 5,000 years. And they can do much more than fill out a salad bowl or keep tomato juice from seeping into your hamburger bun. The Super Food Garden is the most nutrient dense garden you can build and everything you need is right here in one pack. Do this especially if you have used chemicals on your crop. Their flavor tends to be stronger than looseleaf lettuces, and they also have a crunchier texture, meaning that they can stand up to cooking better than other lettuce types. If lettuce is showing signs of splitting, bolting or stress, such as brown leaf margins or tipburn, there are multiple explanations: Always continuously check your general management practices, irrigation, fertiliser and planting  practices. On leaf types, you can just pick a few leaves at a time, if you like. Growing Guide If five or six heads out of ten are tightly packed inside, the crop is ready for harvest. If a few of the heads you have cut open have a core - that is, they are starting to elongate - start harvesting immediately, before the crop runs to seed. About a week before your estimated harvest date, walk through your field and pick out a few lettuce heads that look ready. Varieties. How To Grow Little Cos Lettuces 'Little Gem' is a fast-growing mini cos. By using this method for harvesting lettuce and by planting successive crops, you can have fresh salad green for most of the year. Lettuce is tolerant of a wide range of soils, but prefers well-drained, cool, loose soil with plentiful moisture and pH 6.2 to 6.8. Many varieties of looseleaf lettuce can be harvested numerous times during a single growing season after being cut approximately 1" above the ground. Iceberg or Cripshead lettuce is the classic head forming lettuce and is the most popular lettuce in the US. One excellent lettuce to try in the garden for a long harvest is Parris Island cos lettuce. Hardened plants should survive 20 F. Space crisphead transplants 12 inches apart in rows 18 inches apart. However modern plant breeding means there are now lettuces available acrossAustraliathat are suitable for planting all year long. Use row covers to protect very early plantings from cold, to protect young plants from insects, and (supported by hoops) to shade crops when warm weather arrives. Lettuce has a shallow root system. Ideally, greens should be collected early in the day, before the onset of midday sun, to prevent wilting. If seed stalks appear, pick the lettuce immediately and store in the refrigerator to prevent bitterness. Choose a head with its dark green outer leaves intact and that’s healthy looking. Cos/Romaine Lettuce With an upright growth habit, Romaine lettuces tend to be more frost-resistant than other lettuce types, and can also withstand quite a bit of summer heat. Harvesting at this time of day will optimize the crispness of the leaves, notes UC Master Gardeners, Santa Clara County, CA. This indicates the plant is preparing to bolt to seed, and greens collected from such plants are often too bitter for consumption. Wait until fall and then plant another crop. How to Harvest Lettuce. Seeds need light to germinate; sow at a very shallow depth by covering with a thin layer of growing medium. STORAGE: Keep cold at 35–40°F (1–4°C) with high humidity but free of standing water. Lettuce – Plant in the Fall – Harvest for 3 Seasons. You can also lightly broadcast seed (particularly of looseleaf varieties) in a patch instead of a row. To store lettuce first wash it well by immersing in water and swishing it around. For the best flavor and crisp texture pick lettuce when you need it and use right away. It was up in two days. Check the romaine in the morning when it nears harvest time. The best time of day to pick lettuce is in the early morning. If the heads aren't filling out or sizing up properly, you may have selected the wrong variety for that time of year, you may be under watering or not applied sufficient nutrition to the crop. If any of your stored lettuce has started to wilt, don’t panic! Harvest whole heads or individual leaves with a sharp knife or garden pruner. Some other general guidelines when collecting the entire plant: Leaf lettuce can be cut as soon as it is large enough to use, usually in 50 to 60 days from planting. Space other varieties 6 to 10 inches apart in rows 12 to 18 inches apart. Fertilizing can be helpful to promote faster growth, especially a fish emulsion type that is not high in nitrogen that can cause greens to become bitter. Explore. As the season progresses, plant more bolt-resistant varieties. This fall crop can be protected under row cover or low tunnels to extend the leaf lettuce harvest into the cooler weather. If five or six heads out of ten are tightly packed inside, the crop is ready for harvest. Simply prepare a bowl full of ice and ice water and soak your lettuce leaves in it for about 15-30 minutes. Pick when the leaves are younger rather than waiting so the taste doesn’t become bitter. A solid rib means the romaine is mature, but milky indicates a tougher. 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