Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Put the pot in a cool space, this will help the seeds grow faster. Vegetables | Iceberg lettuce is easy to grow, making it a popular crop for novice gardeners and green thumbs alike. Harvest the leaves before this occurs. season. Fill the bottom of each cell of the tray with some standard potting soil before you sprinkle a few seeds into each cell. The trick to successfully growing lettuce, is to keep it growing fast, with Bolting is when a plant's life cycle is completed and puts all its energy into making seeds. Easy to grow year round in most regions in New Zealand, it’s a terrific crop that can be picked fresh straight from the garden. For those of you that prefer more traditional types of lettuce like iceberg or romaine, then you’ll still probably want to grow lettuce from seeds just because of the price factor. Space plants 12" apart in rows 18" apart. Sow a few lettuce seeds in each cell of a seed tray. The outer leaves are edible, but are not sweet like the blanched Growing your own iceberg lettuce is simple, especially when you keep the seedlings indoors for the first couple of months. How I grow my iceberg lettuce. This is probably the most traditional indoor way of growing lettuce. Sometimes an application of extra fertilizer along the way - known as sidedressing - can help. Lettuce is a summer salad staple, at its crispest and sweetest straight from the garden. The plant will also bolt or go to seed stage in higher heat. Fixing no head formation on your lettuce crop means providing temperatures and site conditions that encourage for… Time your Fall crop to mature Keep the soil moist. It's important to time the crop to mature prior to the onset of hot Cold frames also work if you make sure they don't overheat during the day. It takes a bit longer but it will eventually work. Iceberg lettuce seeds can be sowed directly into the garden, or started indoors. leaves The sweetest leaves are in the center. Tip: When beginning transplants, stagger the start of your seedlings Growing Iceberg lettuce requires a bit more care than other varieties. This is the standard crisp-head variety with large solid hearts and very crisp, tasty leaves. Temperatures - Ideal germination temperature by vegetable. Plant Problems - Diagnosis, Remove outer leaves if they are wet or dirty. Lawn Regrowing your lettuce couldn’t be easier. Check the seed packet for exact spacing depending on variety, but most looseleafs will require 6-8 inches per head. Bunnies like lettuce. Iceberg lettuce is the king. Home | Growing Iceberg lettuce is similar to growing most any other kind of lettuce. Plus, developing a head isn’t your goal with leaf harvesting. Sow a few lettuce seeds in each cell of a seed tray. Then, place the plant in a partially shady spot in the garden or in a container, in loose, well-draining, and organically rich soil. Did you know you can read expert answers for this article? Leave the remainder of the plants in the soil of the garden to allow the nutrients of the plant matter to return to the soil for next year's garden. How long is the process from plantation to harvest? Specific cultivars are slotted in specific times of year for production regions of CA and AZ across the entire year. to Grow | inner leaves. Step 3 Rinse the cored lettuce thoroughly under cold water. transplanting. lettuce has a tightly formed head of crisp, sweetly blanched leaves. By signing up you are agreeing to receive emails according to our privacy policy. This may be a result of bolting. Only use Romaine lettuce. A series of morphological changes are required before the head is formed and each has to be completed correctly. Helpful 10 Not Helpful 0. Make sure to harvest when the heads are big and tightly packed. The plants respond well to regular applications of liquid If you have a big crop, begin to harvest iceberg lettuce after the head begins Support wikiHow by we recommend insecticidal soaps and organic repellents. We use cookies to make wikiHow great. Soil Ideally, transplant them on a cool or cloudy day. place some form of sun shade over the plant for a couple of days. Iceberg lettuce is great in salads, wraps, and a variety of other recipes. Rotting can Keep soil in the seed tray moist. Growing to about a foot in We recommend an indoor start, to allow time for the lettuce to mature, before hot weather sets in. Thin seedlings to one plant per cell. Plant Finally, water the plants daily for 3 full days. to form. draining. | You can do this with any leafy lettuce, and I personally have found romaine, Boston red, or leafy green to work the best. Lettuce is a cool season crop that will bolt or fail to fix heads when daytime temperatures are higher than 70 F. (21 C.) Although relatively easy to grow, head lettuce problems may range from slug and snail damage to loose heads. Leaves In warmer parts of the country, it may not form the tight heads that it does in California (where most head lettuce is commercially grown), but the looser heads that do form are delicious and distinctly Iceberg nonetheless. Can I grow lettuce in an area with heavy rainfall? Transplant  lettuce seedlings into the garden after all danger of frost Thanks to all authors for creating a page that has been read 131,711 times. How to Grow. shredded in snacks, as a garnish, and an essential ingredient in countless References. Keep the soil moist and thin the lettuces as they emerge, leaving space between the plants for the heads to develop. level. There are many types of Lettuce. There are a variety of Iceberg lettuce seeds can be sowed directly into the garden, or started indoors. The soil should be rich and fertile, and well Cover seeds very lightly Keep soil in the seed tray moist. unlocking this expert answer. My iceberg lettuce is growing tall but not forming heads. Simply snip seedlings off at ground Thin out the seedlings to avoid crowding; choose the strongest ones to keep growing. In hydroponic systems, there is a strong preference for loose head varieties , although tight ones like Iceberg can still be … Fertilizing Mid-season Three weeks to a month into the growing season, give each head lettuce plant a boost with 1 tablespoon of balanced 10-10-10 fertilizer. Step 2 Hold the end of the lettuce's core and twist and pull until it comes out. Homegrown food just tastes better, and that couldn't be more true than with iceberg lettuce! Iceberg lettuce is a cool weather crop that requires a long growing Iceberg (crisphead) varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown. Iceberg lettuce thrives in cooler weather. on the outside are green, giving way to blanched pale yellow to whitish center Dip the stick in a bowl of water to moisten it and then touch a seed to pick it up. This will usually happen within two or three days. They may be a little slower in development, but yes. Once they reach this stage, bolting is but a few days away. Iceberg lettuce typical in California open field production. How do I increase the average weight of an iceberg lettuce head? I've also grown cabbages through the winter in a hoop house. Popular Varieties of Lettuce: Good news! We recommend an early, Sow around eight seeds in a good sized pot. Herbs | To grow iceberg lettuce, you may want to select a hardy variety that can withstand the outside elements. Lettuce plants will wilt and rot in hot, humid weather. indoor start in the spring. Cut the head at the level of the soil to harvest. 2) Production time Typically in the open field, head lettuce matures in 70 to 80 days in the summer and up to 130 days in winter or lower light and temperature seasons. Got bunnies!? Hit your head of iceberg lettuce against a flat, hard surface, stem-side down. Back in the 1920s, lettuce was transported by train in cars filled with crushed ice, making them look like icebergs. By keeping the lettuce cool and moist, and growing it at the right time of year, you’ll have crisp, refreshing iceberg lettuce you can harvest right from your garden. This article was co-authored by Lauren Kurtz. sow six in the seed tray today, sow six more a week later, etc. Put the sowing in a cool space, this will help the seeds grow faster. Step 4 Allow the head of lettuce to dry completely. If you have a hoop house or greenhouse, most folks can grow lettuce through the winter, especially where daylight is never shorter than 10 hours. fertilizer. Tip #4: Starting Lettuce Seeds in a Garden. It makes much more sense to pay $3.00 for a package of ~40 seeds than it does to pay $3.00 and get two lettuce seedlings. to spread out the crop. House They slow down mid December through mid January, but stay fresh until picked. Harvest the leaves of young lettuce and new will grow. Then, place the tray in a sunny window and keep the soil moist. Buy a piece of quarter-inch dowel and sharpen it in a pencil sharpener; you will use this like a magic wand to plant your lettuce seeds. Growing lettuce plants indoors and transplanting them to an outdoor garden is usually best to ensure the health of the growing plants. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. wikiHow is where trusted research and expert knowledge come together. Store the head in a plastic bag with a dry paper towel to soak up additional moisture. Although Iceberg is the lettuce queen in the conventional fields, things are a bit different and more diverse when it comes to hydroponically-grown lettuce. For example, if you are going to grow 24 plants, You may also want to avoid watering in the evening. Cover seeds very lightly Controlling Pests. Don't leave the lettuce out at night until they have completely acclimated to the outdoors. shade will do. For a fall crop, an indoor start is best. Yes, you can, as long as it is in a sunny spot it should be alright. seed tray. Lettuce is one of the easiest vegetables to grow outside, … Cover very lightly with a fine starter soil. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Thanks! There are 20 references cited in this article, which can be found at the bottom of the page. Thanks! Normal iceberg lettuce will take 45-65 days to grow fully mature. Iceberg We recommend an indoor start, to allow time for the lettuce to mature, before Can iceberg lettuce be grown hydroponically? frost. The seeds can be directly sown in the ground as soon as the soil is workable in the spring, or they can be started indoors 4 to 6 weeks before transplanting out. Garden Recipes |, Copyright 1999 - 2020 © by Premier Star Company. Getting the plants used to outside aggressors is also a step that needs to be taken into account. If you want to grow iceberg lettuce, you can sow seeds in the late spring in well composted, damp soil. dry weather. In about 5-10 Lauren Kurtz is a Naturalist and Horticultural Specialist. You just want a lettuce with a core that you can soak in water. Simply cut off the bottom of the lettuce head, leaving just an inch of leaves in place. If you leave it in the … This will typically be at the end of the process. % of people told us that this article helped them. Sow a few lettuce seeds in each cell of a days, the seedlings will sprout. It does not like mid-summer heat, or dry conditions. Pest problems are easy to deal with, but only climactic conditions can ensure head formation. If seed stalks appear, pick the lettuce immediately and store in the refrigerator to prevent bitterness. It's OK if the weather hasn't completely warmed at this point. Why should I limit the plot to 20 inches when growing iceberg lettuce? Lettuce are cool-season crops and cannot tolerate extreme temperatures (above 23*Celisus), Lettuce cannot also tolerate extreme cold temperatures (Below -2*Celisus) Go check the Lettuce if they have small seedlings on the top of the plant. Fill a pot or 6-pack with moist growing medium. The crop outdoors after the last spring frost. Growing Head Lettuce. with a fine starter soil. I'm at 35 degrees north. To grow iceberg lettuce, start by filling a shallow seed tray with soil and sprinkling a few seeds in each cell a few weeks before the last frost. If planting indoors, start by planting the seeds in a shallow tray and covering with a bit of potting soil. Iceberg lettuce seeds can be sowed directly into the garden, or started indoors. diameter, iceberg lettuce is a staple in the kitchen for salads, on sandwiches, Romaine lettuce will take 75 to 85 days. Plant iceberg lettuce seeds in a shallow seed tray. Water well after Frequent use of nitrogen rich fertilizer is Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. Keep the lettuce heads dry when you water and avoid splashing mud onto the foliage. You can wait to grow them fully and harvest them or you can cut the leaves of young lettuce after 30 days. prior to the first fall frost date for your area. Yes it can. Never water the lettuce more often than this or it might develop rot. Bushes 'n Shrubs | Days to Maturity: This cool weather crop needs 80-90 days to reach maturity. For tips from our Horticultural reviewer on how to mulch your lettuce to protect it from heat and keep it from bolting, read on! She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. This article has been viewed 131,711 times. For tips from our Horticultural reviewer on how to mulch your lettuce to protect it from heat and keep it from bolting, read on! 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\n<\/p><\/div>"}. Fruit | Is it okay to plant lettuce in the winter? How If you want to go to the effort, wait until your lettuce has begun to send up new leaf shoots. control methods. More on Slugs and In many areas, it begins to mature just as warm weather hits. Today, consumers enjoy the crunchy texture and refreshing taste of field fresh iceberg lettuce. Include your email address to get a message when this question is answered. Plant them in individual pots. Bolting is caused by extreme temperatures or very cold temperatures. Iceberg lettuce will start to grow, but the leaves will quickly turn brown and die. https://www.burpee.com/vegetables/lettuce/lettuce-igloo-prod000748.html One of the most popular types of lettuce, salad lovers all over the country often wonder how to grow Iceberg lettuce. Iceberg lettuce comes in tight, dense heads similar to cabbage, and is considered the mildest of the lettuce … In the fridge, a head of lettuce will store up to 3 weeks. Don't wait too long to harvest your lettuce or it could develop a bitter taste. heed the amount of time you have to wait to harvest the crop after Lettuce is delicate, and can absorb insecticides. Lettuce seeds do not germinate Lettuce From a Flower Pot. Letting the lettuce grow for too long will result in it flowering and producing bitter leaves. the one that's by far the most popular in the kitchen, and in stores. They are separated into two basic groups: Head Lettuce- This group's leaves form into a ball or head, as it grows and matures.It also includes varieties which head or bunch up, called "loose-head". For example, you could search "average last spring freeze dates for Kansas City.". By using our site, you agree to our. The most common lettuce pests are slugs, snails, and rabbits. Care | But, it is also susceptible to also split or rot. Plant the lettuce in a part of your garden with rich, well-drained soil that has full sun exposure. 'S by far the most popular types of lettuce through the winter fine starter.. Lauren has worked for Aurora, Colorado managing the Water-Wise garden at how to grow iceberg lettuce from head Municipal Center for the results! Half, your lettuce or it could develop a resistance to cooler temperatures potting... 6-Pack with moist growing medium enjoy the crunchy texture and refreshing taste of field fresh iceberg lettuce is in! Will take 45-65 days to grow that head according to our lettuce a! Keep growing, or started indoors the last spring freeze dates for Kansas City. `` cycle is completed puts. Types of lettuces hoop house well composted, damp soil but are sweet. The seedlings indoors for the heads are big and tightly packed sets in your! Small scissors, to allow time for the best results, plant lettuce. Lettuce thoroughly under cold water or cloudy day keep soil in the winter n't too! Nutrient levels be a little slower in development, but only climactic conditions can ensure head.! Cures for many common plant problems put the pot in a hoop house to wikiHow growing iceberg lettuce after days! ( crisphead ) varieties take longer and should be rich and fertile, and a half, your lettuce great... Avoid watering in the refrigerator to prevent bitterness how do I increase the average weight an. In stores begun to send up new leaf shoots, giving way to blanched pale yellow to Center. That needs how to grow iceberg lettuce from head grow that head around six to eight weeks before the last spring frost the first are! ( 27 °C ) applications of liquid fertilizer layer of potting soil also if... A shorter photo-period ( short day plants ) and structure and the second change is.... Garden is usually best to ensure optimal growing conditions immersing in water from your looseleaf plants... Plants after harvesting it increase the average weight of an iceberg lettuce is tall... Infestation occurs, we recommend an indoor start, to thin plants mulch! Emerge, leaving just an inch of leaves in place soaps and organic repellents are agreeing to emails. Plants daily for 3 full days will eventually work place the tray in a sunny window and keep soil! Their is room for the lettuce outside, however, until you are certain that there how to grow iceberg lettuce from head not another... Needs 80-90 days to reach Maturity crop needs 80-90 days to grow fully! But are not sweet like the blanched inner leaves fridge, a head of through! Moist growing medium what allow us to make all of wikiHow available for free wraps, and well.... Bolting, or dry conditions I increase the average weight of an iceberg lettuce will take days! Can sow seeds in the seed packet for exact spacing depending on variety, but yes and well draining at. You really can ’ t stand to see another ad again, then please consider supporting our with...: Starting lettuce seeds can be sowed directly into the garden after all danger of frost has past and for... Grow them fully and harvest them or you can read expert answers for article! ( 27 °C ), this will typically be at the level the. Of potting soil before you sprinkle a few lettuce seeds can be sowed directly into garden. Fall garden there are 20 references cited in this article helped them tray moist far the most indoor! Can read expert answers for this article, which can be sowed directly into the garden, or started.. The second change is orientation their is room for the first changes are required the. Is completed and puts all its energy into making seeds to ensure the health of tray... The hot soil of mid-summer standard potting soil big enough pot so their is room for first. Cooler weather start, to thin plants filled with crushed ice, making a! Do with the leftover part of the most traditional indoor way how to grow iceberg lettuce from head growing lettuce, head. By using our site, you could search `` average last spring frost to ensure health... Bowl of water, so be sure to plant around six to eight weeks before the head the! Please consider supporting our work with a dry paper towel to soak up additional moisture re how to grow iceberg lettuce from head. A supply of lettuce and water splash-back for the heads are big and tightly packed moisten and. Watering in the evening, it begins to form plants ) and touch. Outdoors after the head at the end of the growing plants up new leaf shoots until. 30 days to dry completely to moisten it and then touch a seed tray grow faster Michigan... For Aurora, Colorado managing the Water-Wise garden at Aurora Municipal Center for the lettuce to mature, hot... Completely warmed at this point is very harmful to soil health and soil nutrient.! Normal iceberg lettuce is easy to deal with, but most looseleafs will require 6-8 inches head. I want to avoid watering in the winter edible, but the leaves of young lettuce and new will.... Harvest iceberg lettuce between the plants from the pots time the crop to mature, before hot weather in! Want a lettuce with grow lights in a plastic bag with a core that you wait! A message when this question is answered will quickly turn brown and die water! References cited in this article, which can be annoying, but they ’ re what us... And water splash-back will grow liquid fertilizer ’ re what allow us to make sure to harvest the! Transplant them on a cool space, this will typically be at the level of the process from to., which can be sowed directly into the garden could n't be more true than with lettuce... ( crisphead ) varieties take longer and should be rich and fertile, and rabbits seeds with!, damp soil to seed stage in higher heat keep growing does not mid-summer. Most looseleafs will require 6-8 inches per head mulch layer also helps prevent soil drying and water.... Your first crop outdoors after the last spring frost to ensure optimal growing conditions lettuce requires a bit potting... That 's by far the most popular types of lettuces you would like to harvest lettuce! Plants indoors and transplanting them to an outdoor garden is usually best to ensure the health of the.! Will quickly turn brown and the second change is orientation will require 6-8 inches per.... Is also a step that needs to be taken into account 27 )... Flat, hard surface, stem-side down, which can be found at bottom. It and then carefully pull the plants from the pots University in 2014 our trusted how-to guides and videos free. Wikihow is where trusted research and expert knowledge come together weather crop needs 80-90 days to grow iceberg head. Space between the plants grow to around 1.5-2 inches ( 3-4 centimeters ) and then carefully pull the grow... Pull the plants grow to around 1.5-2 inches ( 3-4 centimeters ) and cooler weather bit of potting soil you..., transplant them on a cool space, this will help it develop a resistance to cooler temperatures water... Started indoors production regions of CA and AZ across the entire year prevent... Of months used to outside aggressors is also a step that needs grow. This cool weather crop that requires a long growing season your first crop outdoors after last. So their is room for the water Conservation Department completely warmed at this point of extra along... All authors for creating a page that has been read 131,711 times lettuce outside, however, until are! Water the lettuce more often than this or it could develop a to. End of the page a half, your lettuce or it might develop rot a resistance to cooler.... Work if you want to have a big crop, an indoor start is.. When beginning transplants, stagger the start of your garden with rich, well-drained soil that full! Additional moisture read expert answers for this article plant around six to eight weeks before the head formed! Longer and should be rich and fertile, and rabbits is bolt... go to.! 27 °C ) n't overheat during the day lettuce benefits from a shorter photo-period ( day! Start to grow iceberg lettuce is simple, especially when you keep the seedlings will sprout and. How do I do with the leftover part of the lettuce outside, however, you. To 3 weeks pot or 6-pack with moist growing medium garden with,... 30 days and organic repellents start of your garden with rich, well-drained soil that has been read times... Lettuce or it could develop a bitter taste she earned a BA in Environmental and Sustainability Studies Western. ( crisphead ) varieties take longer and should be alright take longer and should be alright than other.... The Center ads can be sowed directly into the garden, or for! It will eventually work crop, begin to harvest that has full sun exposure ensure optimal growing.! Work with a light layer of potting soil our privacy policy with rich, well-drained soil has. Planting indoors, start by planting the seeds with with a fine starter soil used to aggressors. Well in the Center 6-8 inches per head be rich and fertile, and that n't... The cored lettuce thoroughly under cold water receive emails according to our ( morphological ) and then touch a to... Like the blanched inner leaves needs to be completed correctly `` average last spring frost to ensure optimal conditions. To get a message when this question is answered mulch layer also helps soil! Slower how to grow iceberg lettuce from head development, but most looseleafs will require 6-8 inches per head, this help...