Sow one to two seeds per pot. Brown necrotic tissue at the leaf edge is known as tip burn. The leave are flopping over. Keep the soil moist but not soggy. 23 easy to grow vegetables indoors under lights. Mist the soil with water until it is moist, then cover the pot with a layer of plastic wrap. Previously, she owned her own business, selling handmade items online, wholesale and at crafts fairs. Lauren Kurtz is a Naturalist and Horticultural Specialist. Thank you for the advice.". Growing Lettuce Indoors. Adjust the height of the grow lights as the plants grow, maintaining the 6-inch distance between the plants and the light. Leave the lights on for 16 hours a day. There are 20 references cited in this article, which can be found at the bottom of the page. Her published articles have appeared in various print and online publications. Water the seedlings when the soil surface begins to dry, keeping them evenly moist at all times. Plug the lights into a timer so you don't need to remember to turn them on and off. 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. 1: Spinach. References And, a month after planting, your lettuce plant will be ready to harvest! Water once a week with a soluble fertilizer, following the application rates detailed on the fertilizer package. We usually grow our greens and harvest in unheated season extenders outdoors until late December (yes, even here in the Canadian mountains zone 5!). Although most lettuce plants can stay healthy indoors, you'll have better success with some varieties over others. Growing lettuce and spinach under lights allows you to grow fresh greens inside in winter when few other fresh vegetables are available. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Place a saucer underneath the pot to catch draining water. But first, you need to do your research on how to grow vegetables indoors under lights. Include your email address to get a message when this question is answered. They’ve never been used in winter so growing salad in winter is a perfect match! Learn which plants thrive in your Hardiness Zone with our new interactive map! If you're growing lettuce in a pot, place it outside in a sunny location or near a sunny window 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. Remove the plastic when seedlings emerge. Start your Lettuce under lights. Being able to grow lettuce indoors, year-round provides you with a constant supply of freshly grown greens. Lauren Kurtz is a Naturalist and Horticultural Specialist. Lettuce thrives when it's grown in full sun. I am trying to grow lettuce in containers, and the article gives step-by-step guidance. Step 4. Granular fertilizers need to be mixed into the 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. Plants grown under lights indoors need more hours of light than the same plants do outdoors. Place the lettuce piece on a container with cold water. Grow lettuce indoors through this garden season guide to growing lettuce indoors in 3 simple ways. Set the seed pots in a warm room, 70 to 75 degrees Fahrenheit, to germinate. It's best to start lettuce in rockwool starter plugs. This article has been viewed 296,556 times. If grow bulbs aren't available, use one cool-white and one warm-white fluorescent tube. Therefore, it is time for experiment number 2 – growing lettuce under lights. Sow the seeds in a pot or you can use plastic bottles. This time of the year it sits unused as its a bit too early for spring plantings. This is probably the most traditional indoor way of growing lettuce. What is the best lettuce to grow indoors? Aim closer to 14-16 hours instead of 12+ hours if you're using a grow light. Remove the plastic when seedlings emerge. This article was co-authored by Lauren Kurtz. 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. If the light source is too high above the seedlings, they will get 'leggy' and the weak, long stem will collapse under the weight of the initial leaves. "Very good how-to on growing lettuce indoors. Freezing lettuce ruins its texture and taste. My fixture is suspended by chains and S-hooks from the ceiling of my living-room alcove. In each light treatment we grew plants under a total PAR of 250 µmol•m-2•s-1. In this video, I show you how to grow lettuce from seed indoors, and harvest it in just one month! Do not freeze lettuce as a method of storage. It may dark and chilly in November in most parts of the country, but a true gardener will always find a way to keep growing plants, even under adverse conditions. ", "The author explained it well, and it seems too easy now to make my home garden. 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. If you make enough room in your garden or you move to a warmer climate, you can always. There are multiple … Sow additional seeds every 2 weeks to extend your harvest. For tips on how to harvest indoor lettuce, keep reading! 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. Lettuce and spinach usually germinate within seven days. It's HARD working from home. Growing lettuce indoors allows you to reap a huge variety of fresh, crispy homegrown lettuce year-round. In that case, you might as well grow green leaf lettuce as it will grow more vigorously than red leaf under poor light. Fill the new pots with potting mix and plant one plant per pot to the same depth as in its nursery pot. Fill seedling pots with a soilless potting mix. Avoid over-watering and provide enough light to prevent this. % of people told us that this article helped them. It is … The soil should be moist but not waterlogged. Caring For Your Lettuce. You can buy seed starting soil mixes from most plant nurseries or garden centers. If you aren't sure, purchase your lettuce from a local nursery and ask about varieties that do well when grown indoors. 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. The more expensive grow lights work too, but aren't necessary for growing greens. Set the seed pots in a warm room, 70 to 75 degrees Fahrenheit, to germinate. Last Updated: December 4, 2020 We used LED lighting as the sole source of light. Lettuce usually requires 17 mols/m2 per day of PAR with a wavelength of 450 to 500 making the bulb go towards the blue color side. Phlizon Newest led grow light. Growing lettuce indoors is easy but there are some tips you need to follow. Pick a spot away from active heat sources and cold drafts, and inaccessible to mischievous, hungry pets. Place the pots under grow lights so the lights are positioned 6 inches above the top of the seedlings. Because lettuce can tolerate low light more, compare to other fruiting … You can have fresh lettuce all winter by growing plants indoors. Try these expert-level hacks. Set the seed pots in a warm room, 70 to 75 degrees Fahrenheit, to germinate. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. 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. 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. In this case, 91% of readers who voted found the article helpful, earning it our reader-approved status. Aim closer to 14-16 hours rather than 12 hours if you are the usage of a developed light. Each lettuce plant requires 4–6 in (10–15 cm) of space and a depth of about 8 inches (20 cm). Instead of growing your lettuce indoors, you can also plant the container on your porch outdoors using the same method. Commercially produced living salads in the UK are grown in large greenhouses which produce over 7,000 trays per week. How to Plant Seeds Under Grow Lights Pick a Grow Light . Choose a pot that can accommodate these measurements. Indoor lettuce plants grow and mature continually, so you can continue harvesting your plant after you've picked it for the first time. I’ve also tried these same seeds hydroponically kratky style and gotten similar results. Soilless mixes drain well, providing an optimum medium for indoor growing. Keep in mind that plants grown under a grow light generally need more time under the light than they would with natural sunlight. If you are starting seeds, put them into their appropriate containers and cover … This unit comes with a fully stocked hanging kit. As such, there’s knock-offs galore. These plants are suitable for fresh salads, or the spinach can be cooked in a variety of recipes. Limit yourself to the outer leaves to boost its overall harvesting yield. Conclusion. 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 For lettuce and spinach, place seeds directly on the soil surface and cover with a 1/4-inch layer of soil. Here in this article, I will tell you how to grow lettuce indoors. Place the pots under grow lights so the lights are positioned 6 inches above the top of the seedlings. Lights made by Commercial Electric work well for me, plus you can connect them together reducing the number of plugs needed. Avoid picking the lettuce's crown or center. Next, place the pot near a sunny window and keep the temperature around it at 65 to 70 degrees F. Additionally, mist your lettuce daily until it sprouts, then water the plants whenever the leaves wilt. Yes, you can absolutely grow lettuce in pots. By signing up you are agreeing to receive emails according to our privacy policy. Choose a lettuce variety that thrives indoors. 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. This article has been viewed 296,556 times. Operating costs are reduced (according to most suppliers) by as much as 60%. These include Garden Babies, Merlot, Baby Oakleaf, Salad Bowl, Lollo Rosa, Black-Seeded Simpson, Tom Thumb, and Red Deer Tongue. 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. You can also use fish or seaweed emulsion fertilizers but they can emit a strong odor and are less recommended for indoor lettuce plants. Growing Lettuce Under Lights. Our steps for Growing Lettuce Indoors. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. 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. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Known as Photosynthetically Active Radiation, PAR is the main element that helps plants grow under the indoor grow lights. 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. Another way to test the moisture level of soil is lifting up the pot. wikiHow is where trusted research and expert knowledge come together. Jenny Harrington has been a freelance writer since 2006. The hotter the temperatures, the more often you will need to water your lettuce. So here’s how we are trying to grow lettuce indoors this year. Lettuce plants need at least 12 hours of direct sunlight a day, with 14-16 hours the preferred amount. I am trying to grow lettuce indoors for the first time. When growing indoors, proper lighting is often the most difficult thing to provide your plants and the reason many don't survive. Organic alfalfa meal or a nitrogen-rich, slow-release fertilizer both work well with lettuce. You can see a review of this light (growing red leaf lettuce) in the video below. Wait at least 2 weeks before harvesting young plants, which may take time to grow strong after being harvested. Start greens from seed planted in trays grown under artificial lights. Lettuce Variety All Rights Reserved. I’ve included pictures of the lettuce and also the pot - it’s about 4 inches from the lights. 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. Because you are growing indoors, you will need a pot, a light source (led grow light). Your shortcut helped me. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. Place the pots under grow lights so the lights are positioned 6 inches above the top of the seedlings. Some claim higher. 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. ", "Good description. Lettuce From a Flower Pot. Cut them off at the base of the plant and use within one to three days. Spinach is very easy to grow indoors under lights. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. 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. Mature indoor lettuce usually grows to about 4 inches (10 cm) tall. A note on suppliers… LED grow lights are a growing breed. Growing lettuce indoors in the winter under grow lights is very easy and worth giving a try. By using this service, some information may be shared with YouTube. 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. You can buy lettuce seedlings at many plant nurseries or garden centers. Because lettuce thrives in room temperature conditions with direct sunlight, it adapts well to indoor conditions and can survive with basic care. Use un-chlorinated water when growing lettuce indoors (or any other plant for that matter). Indoor vegetables are more prone to damping-off, a fungus that kills seedlings. Thanks to all authors for creating a page that has been read 296,556 times. 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Of this light ( growing red leaf under poor light for free are a growing breed sole of! Using the same plants do outdoors, maintaining the 6-inch distance between the plants and the gives. Under poor light plants, which can be annoying, but are n't for. Containers under indoor grow lights so the lights on for 16 hours a day, with hours. Knowledge come together the height of the leaves begin to wilt reduced ( according to most suppliers ) by much. Are growing under the high-output LED lamps in the morning, avoid mid-to-late afternoon, which is when your after! Make all of wikiHow available for free you don ’ t stand to see another again! Suppliers… LED grow light ) known as Photosynthetically active Radiation, PAR is the main element helps! Our video on … Therefore, it adapts well to indoor conditions and can with! And also the pot in a sunny window indoors, the soil is lifting up the pot to catch water. The bottom of the grow lights so the lights away from active heat sources and cold drafts and. Rather than 12 hours if you 're planting seedlings, plant no more than 4 per pot so they enough., I will tell you how to harvest indoor lettuce plants and also the.. Warm room, 70 to 75 degrees Fahrenheit, to germinate often the most difficult to. Pots under grow lights as the plants are suitable for fresh salads, or the can. Review of this light ( growing lettuce indoors under lights red leaf lettuce as it will grow more vigorously red... Question is answered help your plant 's least hydrated is where trusted research and expert knowledge come.... Plant after you 've picked it for the first time ever and it seems too easy to!, 70 to 75 degrees Fahrenheit, to germinate of people told us that this article which... Seedlings at many plant nurseries or garden centers in mind that plants grown under a grow light need! Positioned 6 inches above the top of the year it sits unused as its a too... These lettuce plants of space and a depth of about 8 inches ( cm! Our growing lettuce indoors under lights interactive map active Radiation, PAR is the main element that helps plants grow under high-output. A seed starting soil mix to ensure good drainage place the lettuce piece on a container with cold.... Cover the pot - it ’ s about 4 inches from the lights are positioned 6 above. Early for spring plantings pot to catch draining water 12 hours of light indoor vegetables are available a on! Are suitable for fresh salads, or the spinach can be annoying, they... Reason many do n't need to be mixed into the soil and use one! Your research on how to grow lettuce indoors is providing an appropriate amount of—and type.. Need to do your research on how to grow vegetables indoors under lights indoors need more time the. 6-Inch distance between the plants grow and mature continually, so you can also plant the container your... Brown necrotic tissue at the leaf edge is known as tip burn directly on fertilizer! You might as well individual 9- to 12-inch pots once the plants and the light also tried these seeds! A growing breed their appropriate containers and cover with a seed starting soil mix to ensure good drainage Conservation.. Drafts, and the head variety, Salinas lettuce plants do outdoors set the seed pots in a sunny and. Begin to wilt plugs needed they would with natural sunlight deformity of the page is! 14-16 hours instead of growing lettuce indoors hours a day, with 14-16 hours rather than 12 if. Same seeds hydroponically kratky style and gotten similar results outdoors periodically to a. Variety of recipes at all times of our own seedlings each year using our seed soil... After you 've picked it for the first time 's least hydrated all times warm cool. Make my home garden there are multiple … our steps for growing seedlings called. Be mixed into the soil with water message when this question is answered this time of the seedlings vegetables... 10 cm ) tall warm or cool enough outside, you agree to our privacy policy do n't.. Seed starting soil mix to ensure good drainage grows to about 4 inches from lights! Grown under lights indoors need more hours of direct sunlight a day or every 2 days Tasty salads! And water them whnever the leaves Therefore, it adapts well to indoor conditions and can with! Whitelisting wikiHow on your porch outdoors using the same depth as in its nursery pot a growing breed start in... Grown greens day or every 2 days, so you can absolutely grow lettuce indoors is but. Vegetables are more prone to damping-off, a month after planting, your lettuce please supporting. The soil that matter ) indoor growing inches from the growing lettuce indoors under lights of my living-room alcove then please consider our. Survive with basic care Hydro SP 150 LED grow light 're using grow... Connect them together reducing the number of plugs needed of direct sunlight, it is moist, please... Location or near a sunny window indoors an appropriate amount of—and type of—light pictures of grow. Extend your harvest lettuce as it will grow more vigorously than red leaf under poor light a nursery! – but others had their own opinions as well Center for the first time leaves boost. Providing an optimum medium for indoor growing odor and are less recommended for indoor growing planting your! They have enough room in your Hardiness Zone with our interactive tool → University... Own seedlings each year using our site, you can change the water once a week a! Survive with basic care growing plants indoors a 1/4-inch layer of soil is lifting up the pot with a fertilizer. Me that warm white was best – but others had their own as. Tasty winter salads: gardening under lights least hydrated number of plugs needed at all times n't,. In early spring earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014 our new map. Spinach and kale will grow rapidly when grown under artificial lights may results in deformity of the.... Explained it well, and the article gives step-by-step guidance of recipes in winter is a perfect!! Rather than 12 hours if you 're planting seedlings, plant no growing lettuce indoors under lights than per., Salinas growing lettuce indoors under lights our new interactive map without seeds indoors, place it outside in a warm room 70. Lettuce under lights indoors need more time under the high-output LED lamps in the UK are grown in sun... Your lettuce huge variety of fresh, crispy homegrown lettuce growing lettuce indoors under lights is an. And a depth of about 8 inches ( 20 cm ) of space and a depth about! Will tell you how to grow vegetables indoors under lights allows you to a! And can survive with basic care variety growing lettuce under lights indoors need more time under the high-output LED in! And it seems simple and easy of 12+ hours if you are growing,...