Using grow lights, available at most stores that sell light bulbs, allows you to provide the proper spectrum of lights for your spinach and lettuce to thrive. By signing up you are agreeing to receive emails according to our privacy policy. Remove the plastic when seedlings emerge. Lauren Kurtz is a Naturalist and Horticultural Specialist. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. ... A DIY indoor grow light can help your plant to grow. It's best to start lettuce in rockwool starter plugs. Us - ing LumiGrow fixtures we grew lettuce under 5 different light treatments and analyzed the differences in plant flavor, yield and morphology. Even if you've never grown a plant indoors before, all you need is standard potting soil, water, fertilizer, and a grow light or sunny window to help your plant grow strong. Avoid picking the lettuce's crown or center. A note on suppliers… LED grow lights are a growing breed. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. However, it can also tolerate some shade. What is the best lettuce to grow indoors? If you are relying heavily on windows for some of your lighting needs, you’ll need to rotate your growing containers or your plants will lean towards the light as they grow In that case, you might as well grow green leaf lettuce as it will grow more vigorously than red leaf under poor light. Here you'll discover the best types of lettuce to grow indoors, how to grow lettuce under lights, how much to water, when to fertilize and more. Each lettuce plant requires 4–6 in (10–15 cm) of space and a depth of about 8 inches (20 cm). Planting lettuce indoor: ... Keep in mind that plants are grown under a developed light commonly need greater time underneath the light than they would with natural sunlight. Indoor lettuce plants grow and mature continually, so you can continue harvesting your plant after you've picked it for the first time. Heat and Light Considerations for Growing Lettuce Indoors To successfully grow lettuce, you’ll need a minimum of 12 hours of light, with 14-16 hours of light being ideal for most plants. Growing lettuce indoors in the winter under grow lights is very easy and worth giving a try. Granular fertilizers need to be mixed into the soil. The water should not cover all the lettuce, just the root part, and it should be in a place where it gets sunlight, but not too direct. Fill the new pots with potting mix and plant one plant per pot to the same depth as in its nursery pot. Leave the lights on for 16 hours a day. Although most lettuce plants can stay healthy indoors, you'll have better success with some varieties over others. Sow one to two seeds per pot. To grow lettuce indoors, start by filling a pot with a seed starting soil mix to ensure good drainage. But first, you need to do your research on how to grow vegetables indoors under lights. Avoid over-watering and provide enough light to prevent this. Try these expert-level hacks. For example, although numerous studies have evaluated growth and development of lettuce under different light qualities and quantities in controlled environments (9; 11; 21; 22; 28; 29; 45), most research‐based recommendations for indoor plant production typically aim to maximize yield under optimal environmental conditions. Transplant the lettuce and spinach plants into individual 9- to 12-inch pots once the plants are 3 inches tall. Start your Lettuce under lights. There are several varieties of lettuce that thrive indoors. Mist the soil with water until it is moist, then cover the pot with a layer of plastic wrap. The soil should be moist but not waterlogged. We use cookies to make wikiHow great. Some claim higher. Yes, you can absolutely grow lettuce in pots. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. If you're growing lettuce in a pot, place it outside in a sunny location or near a sunny window indoors. Lettuce thrives when it's grown in full sun. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. You can use LED shop lights to grow lettuce. If you don’t have grow lights, you just need cheap florescent shop lights. Sow additional seeds every 2 weeks to extend your harvest. Remove the plastic when seedlings emerge. If you can't harvest in the morning, avoid mid-to-late afternoon, which is when your plant's least hydrated. Fill seedling pots with a soilless potting mix. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/91\/Grow-Lettuce-Indoors-Step-1-Version-3.jpg\/v4-460px-Grow-Lettuce-Indoors-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/9\/91\/Grow-Lettuce-Indoors-Step-1-Version-3.jpg\/aid2202783-v4-728px-Grow-Lettuce-Indoors-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. Lights made by Commercial Electric work well for me, plus you can connect them together reducing the number of plugs needed. Her published articles have appeared in various print and online publications. You can buy seed starting soil mixes from most plant nurseries or garden centers. Let There Be Light. Conclusion. ", "Just planted lettuce inside. Being able to grow lettuce indoors, year-round provides you with a constant supply of freshly grown greens. Aim closer to 14-16 hours instead of 12+ hours if you're using a grow light. Lettuce Variety Plug the lights into a timer so you don't need to remember to turn them on and off. Growing lettuce and spinach under lights allows you to grow fresh greens inside in winter when few other fresh vegetables are available. ", "The author explained it well, and it seems too easy now to make my home garden. Organic alfalfa meal or a nitrogen-rich, slow-release fertilizer both work well with lettuce. Place the pots under grow lights so the lights are positioned 6 inches above the top of the seedlings. There are 20 references cited in this article, which can be found at the bottom of the page. Mature indoor lettuce usually grows to about 4 inches (10 cm) tall. Wait at least 2 weeks before harvesting young plants, which may take time to grow strong after being harvested. Another way to test the moisture level of soil is lifting up the pot. Before preparing your salad, cut your lettuce in a way that you can keep the lower part of it where the root is, but be sure to keep the leaves attached to that lower part so they can regrow. How can I regrow iceberg lettuce without seeds indoors? If it feels heavy, the soil is saturated with water. Set the seed pots in a warm room, 70 to 75 degrees Fahrenheit, to germinate. How to Plant Seeds Under Grow Lights Pick a Grow Light . Pick a spot away from active heat sources and cold drafts, and inaccessible to mischievous, hungry pets. If you aren't sure, purchase your lettuce from a local nursery and ask about varieties that do well when grown indoors. I can post more reviews as progression, "The short video contained all the information I was looking for: it was straightforward and step-by-step. Spinach is very easy to grow indoors under lights. It is … She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. If you itch to start growing things weeks before it's time to start most of your seedlings, use the space under lights (or your sunniest south-facing window) to grow quick crops of lettuce. Grow lettuce indoors through this garden season guide to growing lettuce indoors in 3 simple ways. For tips on how to harvest indoor lettuce, keep reading! Caring For Your Lettuce. Set the seed pots in a warm room, 70 to 75 degrees Fahrenheit, to germinate. Harvest the outer leaves from the lettuce and spinach as needed. https://www.almanac.com/blog/gardening-blog/lettuce-grow, https://www.maximumyield.com/gardening-101-grow-lettuce-all-winter/2/1426, http://balconygardenweb.com/growing-lettuce-in-containers-how-to-grow-lettuce-in-pots/, https://www.almanac.com/content/container-gardening-vegetables, https://extension.illinois.edu/gpe/case1/c1a.html, https://www.almanac.com/blog/natural-health-home-tips/grow-your-own-salads-indoors-all-winter, https://garden.org/learn/articles/view/4041/, https://www.rodalesorganiclife.com/garden/plan-growing-lettuce-all-season-long, http://www.eatbydate.com/vegetables/fresh-vegetables/how-long-does-lettuce-last/, https://www.motherearthnews.com/homesteading-and-livestock/growing-lettuce-indoors-small-space-gardening, https://www.southernliving.com/home-garden/gardens/lettuce-feast, consider supporting our work with a contribution to wikiHow. Because lettuce thrives in room temperature conditions with direct sunlight, it adapts well to indoor conditions and can survive with basic care. My resources are more limited and I wanted to find a way to grow the salad without having to heat my greenhouse as that would make it prohibitively expensive to grow, as well as wasting energy.Last year I purchased a grow light after reading Barbara’s article on Growing Seedlings Without a Greenhouse. Here in this article, I will tell you how to grow lettuce indoors. This article has been viewed 296,556 times. Jenny Harrington has been a freelance writer since 2006. Lettuce plants need at least 12 hours of direct sunlight a day, with 14-16 hours the preferred amount. Grow the Hydroponic Way. You can have fresh lettuce all winter by growing plants indoors. Our steps for Growing Lettuce Indoors. There are multiple … In each light treatment we grew plants under a total PAR of 250 µmol•m-2•s-1. Operating costs are reduced (according to most suppliers) by as much as 60%. It's HARD working from home. Plants grown under lights indoors need more hours of light than the same plants do outdoors. Last year, I purchased grow lights to start seedings in early spring. Commercially produced living salads in the UK are grown in large greenhouses which produce over 7,000 trays per week. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Adjust the height of the grow lights as the plants grow, maintaining the 6-inch distance between the plants and the light. I had been looking over the GardenWeb “Growing Under Lights” forum and was asking questions about what fluorescent bulbs would be best to grow lettuce. If you don't think you'll use your lettuce in 5-8 days, wait a few days before harvesting your plant. Water once a week with a soluble fertilizer, following the application rates detailed on the fertilizer package. Your shortcut helped me. If you're starting them from seed, fill a pot with a seed starting mix and plant the seeds about 4–6 in (10–15 cm) deep. Growing Lettuce Under Lights. Indoor vegetables are more prone to damping-off, a fungus that kills seedlings. Because you are growing indoors, you will need a pot, a light source (led grow light). Growing lettuce indoors is easy but there are some tips you need to follow. If the weather is warm or cool enough outside, you can move your plants outdoors periodically to get fresh air. This is probably the most traditional indoor way of growing lettuce. You can buy lettuce seedlings at many plant nurseries or garden centers. By using this service, some information may be shared with YouTube. This time of the year it sits unused as its a bit too early for spring plantings. Approved. wikiHow is where trusted research and expert knowledge come together. LED (Light-Emitting-Diode) is the least expensive indoor grow light to run, but not necessarily to buy and setup, depending how many you need. And, a month after planting, your lettuce plant will be ready to harvest! For lettuce and spinach, place seeds directly on the soil surface and cover with a 1/4-inch layer of soil. Types of commonly lettuce grown There are innumerable different types of lettuce varieties available to choose from, with four of the most commonly grown types being leaf, romaine, iceberg, and bibb lettuce. If you would like to keep track of when you gave your lettuce some fertilizer then stick a notepad on the wall by the grow light and write down the date when you last fertilized the lettuce. "Very good how-to on growing lettuce indoors. These plants are suitable for fresh salads, or the spinach can be cooked in a variety of recipes. We used LED lighting as the sole source of light. This unit comes with a fully stocked hanging kit. Start the Lettuce. The leave are flopping over. You will see how beautifully your lettuce regrows! Growing lettuce and spinach under lights allows you to grow fresh greens inside in winter when few other fresh vegetables are available. Last Updated: December 4, 2020 Place the pot in a sunny location and water them whnever the leaves begin to wilt. You can also use fish or seaweed emulsion fertilizers but they can emit a strong odor and are less recommended for indoor lettuce plants. This article was co-authored by Lauren Kurtz. All Rights Reserved. Choose a lettuce variety that thrives indoors. Growing Lettuce Indoors. Then, plant 4 seeds 1 inch apart, sprinkle them with potting soil, and gently mist them with water from a spray bottle. Purchase pots with drainage holes on the bottom. In January we grow microgreens as it’s super easy, but as soon as we start our seeds to grow transplants we also grow indoor lettuce to harvest. Keep in mind that plants grown under a grow light generally need more time under the light than they would with natural sunlight. I am trying to grow lettuce indoors for the first time. % of people told us that this article helped them. Soilless mixes drain well, providing an optimum medium for indoor growing. So here’s how we are trying to grow lettuce indoors this year. Thank you for the advice.". Plan the perfect garden with our interactive tool →, University of Utah: Fresh and Tasty Winter Salads: Gardening under lights. Whether you've run out of space in your garden or you want to grow lettuce year round, you can grow lettuce plants quickly and easily indoors. In this case, 91% of readers who voted found the article helpful, earning it our reader-approved status. Do not freeze lettuce as a method of storage. This article has been viewed 296,556 times. Spinach is one of the fastest-growing leafy green vegetables. These include Garden Babies, Merlot, Baby Oakleaf, Salad Bowl, Lollo Rosa, Black-Seeded Simpson, Tom Thumb, and Red Deer Tongue. For tips on how to harvest indoor lettuce, keep reading! If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Limit yourself to the outer leaves to boost its overall harvesting yield. If you make enough room in your garden or you move to a warmer climate, you can always. Some edibles, such as leafy greens, can grow in bright windowsills indoors, but in areas with less natural light, you'll need grow lamps for a good harvest. Phlizon Newest led grow light. Start greens from seed planted in trays grown under artificial lights. Growing lettuce indoors under artificial lights may results in deformity of the leaves. In this video, I show you how to grow lettuce from seed indoors, and harvest it in just one month! Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. Grow lights should be on for at least 14 but no more than 18 hours per day; even indoor plants need a minimum of 6 hours of darkness each day. Because lettuce can tolerate low light more, compare to other fruiting … Use a liquid fertilizer. Sow the seeds in a pot or you can use plastic bottles.

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