Poor Germination. These colors are relatively normal and are simply a result of aging. Bolting is caused by the long days of light and heat, so it occurs mid summer and during a hot sunny spell. Black Seeded Simpson lettuce is one of the more popular leaf options to grow but there are lots of other leaf types that grow well for us here in Florida like: Red Sails, Oak Leaf, Ruby Red, Green Salad Bowl. Even worse, your plants might even start to show signs of death. The earlier you catch leaf spot, the better. Lettuce is a cool season plant needing full sun to partial shade. To solve these issues, you will need some advice. If soil deficiencies arise, you’ll then need to supplement with a specific fertilizer or bone meal. This happens especially if you get very hot weather after a cool spell. Bacterial leaf spot is caused by bacteria in the soil that, through watering, planting, and normal, natural garden occurrences, has penetrated the lettuce plant and is rotting it away. If even after using a vegetable-safe fungicide, you are still dealing with issues of Fusarium wilt, you may have to scrap your lettuce crops altogether and call it a loss for the season. To remedy this issue, always consider relocating them to an area in your garden with more shade and make sure to keep the soil around the plants damp to combat the heat. When young plants do not have enough exposure to light, they tend to stretch and reach upward in an effort to get closer to the sun. According to agriculturalist Bonnie L. Grant from Gardening Know How, lettuce plants shouldn’t be exposed to too much warm weather when they are growing. This causes it to flower and go to seed prematurely, which puts an end to the lettuce as it is inedible, usually to taste bitter. Unfortunately, there is no way to cure bacterial leaf spot. If you use a cold frame or row cover, gardeners in many areas of the country can grow lettuce through the winter. Like this article? If you’ve had trouble with lettuce growth, consider purchasing a soil test kit. If your lettuce gets too hot, it will be quickly ruined. While it's fun and sometimes more cost effective to Do It Yourself. Locally made compost is a great option to add to your plants. Take this time to plan your garden for next year. This means that you will have to harvest the heads of lettuce immediately to avoid the issue worsening. Lettuce grows best in loose, cool soil with good drainage. Most gardeners suggest anywhere from eight to twelve inches of space between them. It matures early and has soft leaves with a mild taste. When planning your garden, you want to see the best results possible come harvest season – read on for more information on how to get there. Since lettuce is such a fragile plant, it’s important to keep an eye out for any signs of stunted growth or death. Lettuces can be anywhere from a bright green color to deep purple and are filled with nutrients. This website is compensated for referring traffic and business to these companies. Lettuce plants need a lot of space to grow. Lettuce needs soil that is loose, cool, and well-draining. In fact, lettuce is one of the easiest vegetables to grow from seed, and it takes very little effort to get a great crop of garden fresh lettuce. Leaf: These are defined by their loosely grown leaves and are probably considered the easiest to grow. The top problems growing lettuce are halted growth, plant death, changes in color, dark spots or stains, leggy-ness, bolting, and lack of head production. Pest problems are easy to deal with, but only climactic conditions can ensure head formation. The top problems growing lettuce are halted growth, plant death, changes in color, dark spots or stains, leggy-ness, bolting, and lack of head production. Growing your own lettuce is fairly simple, and with the right varieties, you can have lettuce growing in your garden for 8 or more months of the year. Growing lettuce from seed is not only rewarding, it’s super easy too. Next, you’ll need to take a look at the texture of the spots on your lettuce plants. Change your growing season. A watchful eye on your plants will help you avoid some of the major drawbacks of cultivation and will teach you how to respond to the needs of your crops more effectively. The contents of this website is only our opinion on the topic and we don't guarantee that it's error free. ‘Nymans’ AGM:A Cos lettuce with deep read outer leaves and a … Usually, spots on lettuce plants appear in either a light brown or black color. Don't write to the seed company right away. Many grow lights, such as the GHodec Tri-Head Plant Light, have timers that you can set, which keep the light on for four, eight, or sixteen-hour intervals. These hot temperatures cause the plant to grow a flower. Insufficient soil moisture or overly wet soil can both result in poor growth and … You will have to isolate and prune the lettuce plants that are already infected with leaf spot. The only problem will be that this salad green should be harvested often and therefore results in … The growth of the plant will be stunted, and depending on the amount of time they spent below freezing, they may die off completely. TREATMENT There are chemical sprays available to the amateur but a leafy plant such as a lettuce will have residues of the chemicals left in the leaves so this form of treatment is not recommended. Fungal lettuce diseases, such as damping off or sclerotinia drop (white mold), are caused by soil borne fungi that thrive in cool, damp soil and are primarily lettuce seedling diseases. The first way to rid yourself of this fungus is to simply pick and dispose of the affected plants. 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. Lettuces, cabbage, and arugula are not known to do well when sown in the spring. Food and Water. Bolting is common in cool-season greens, like arugula, lettuce and spinach. If you anticipate a hot growing season, make sure to plant your seeds or seedlings in an area with moderate shade and also make sure to water them consistently. Apart from slugs, the other problem when growing lettuce is that it can bolt, especially in hot weather. Finally, lettuce needs to be watered frequently and shouldn’t be allowed to dry out. To determine the quality of your soil, you’ll need to take a soil quality test. The flies will congregate around the growing tips and young seedlings. Eventually, leaf spot can also take over the whole plant, not just as a series of mushy brown spots but entirely turning the plant dark black. The iPad is one of the world's most popular electronic devices for its sleek design and powerful computing capabilities. The constant movement on the plants requires them to create tougher leaves to stand up to the wind. If you start listing off all the individual varieties of lettuce … Sometimes lettuce turning purple isn’t an issue at all. Fungus can live in the soil without plants to feed off, so it’s important to note where in your garden the fungal infections happen so they can be prevented in the future. All of these issues can prevent you from harvesting healthful and nutritious lettuce. Lettuce is a relatively easy vegetable to cultivate at home, but it does take some technique to be able to manage the issues that arise with the plant. Leaf color and texture vary with variety. Diseases affecting lettuce plants are either bacterial or fungal. Your email address will not be published. Buying Cheap, Insufficient Or Incorrect Lighting. Another problem with bolting is that the process of bolting has the potential to turn lettuce bitter. Lettuce will not take up as much space as for example tomatoes or bell peppers. Try different varieties of lettuce. What color are the spots? Container and Pot Sizes: How Much Soil Do I Need. However, lettuce plants can also become prone to yellowing if not taken care of properly. You can measure soil temperature with this soil thermomete r gauge. Leggy-ness is an issue that presents itself early in the growing stage of planting vegetables like lettuce. This means that they will have long, thin stems with very few leaves because growing thick stems and leaves take up too much energy. But it is also a complicated machine that can run into problems and... Hi, my name is Eric. Read … If your lettuce starts turning brown, you are likely dealing with a case of bacterial leaf spot. Pin this to your favorite Pinterest board to save and to share with others. Nearly all problems you may encounter when growing lettuce are caused by hot weather. However, lettuce can actually let off blooms with tall stems if they are not kept under the correct conditions. Successfully growing lettuce from seed is more about timing than anything. You can amend your soil with compost to add the nutrients your plants need while also helping the soil drain better. Soil quality tests are easy to use and can be obtained at many hardware or farm supply stores. Make sure the soil remains moist but is well drained. I already mentioned above that slugs and snails love lettuce. ‘Tom Thumb’:A small butterhead lettuce perfect for growing in small spaces. With silty fields, one heavy rain could equal a loss of thousands of … Lettuce is one of the easiest vegetables to grow outside, … Fusarium wilt is an infection caused by the Fusarium fungus. Keep an eye out for dry soil. Enjoy these helpful tips for growing lettuce and happy harvesting. If you are relying on your lettuce crop as a source of food for you and your family, it is important that your plants are given the resources they need to form heads. To prevent this from happening, you will need to make sure that your plants don’t get too hot. Other foods that face oxidation are apples, bananas, potatoes, and pears. Add compost or organic fertilizer. When your lettuce plants aren’t forming heads, it may be because you haven’t organized your garden properly. You should aim for a pH 6.0-7.0. Use organic alfalfa meal or a slow-release fertilizer. Lettuce seed has a... • Seedlings wilt and collapse with dark water-soaked stems as soon as they appear. If you have started your plants indoors and they have become leggy, an easy way to give them more sun is to move them to a new spot in your home. By doing so, you are preventing the disease from spreading from the affected plants to other ones that aren’t yet showing symptoms. ‘Set’ AGM:A crisphead lettuce, this is easy to grow and produces large, solid hearts with crisp green leaves. Pick the outer leaves off, keeping them from maturing. She suggests that people plant their lettuce seeds or seedlings either in the early spring to avoid the hottest days of the summer, or at the end of the summer so that they can be harvested in the fall. Another alternative is to use a grow light. Unfortunately, there is no way to reverse this issue. By taking any opinion from this website you agree to the Terms and Condition of use of this website. link to Crock Pot Turns On but Won't Heat Up, link to iPad Keeps Staying On/Not Going Into Sleep Mode. If your lettuce plants start to turn purple, make sure that you didn’t unknowingly plant purple or multicolored lettuce. Lettuce is one of the most commonly grown vegetables in the country, with hundreds of varieties available for purchase in grocery stores, mega-marts, and farm supply shops. This will help mitigate some of the negative effects of heat on your plants. Growing Romaine Lettuce: Requirements and Problem Prevention Culture. Find helpful customer reviews and review ratings for Lettuce Grow 12-Plant Farmstand - Self-Watering, Hydroponic Growing System - BPA Free - FDA Food Grade - CA Prop 65 Compliant - Ideal for Veggies, Herbs & Lots of Leafy Greens (12 Plants) at Amazon.com. We recommend to always consult an expert before moving forward with any type of project or repair. Leaf Lettuce – Easiest type to grow. This pinkening is caused by oxidation. Lettuce plants have a very hard time coping through frost and freeze. The most common problem, apart form the plants bolting to seed prematurely, are brown edges on the leaves. Grow leafy varieties where the weather is warmer. Top Problems Growing Strawberry Plants and How to Fix Them, Top Problems Growing Pumpkins and How to Fix It, Top Problems Growing Beets and How to Fix It. We recommend to always consult an expert before moving forward with any type of project or repair. This is probably the most traditional indoor way of growing lettuce. If your seedlings were started indoors, it is likely that your plants are leggy because they haven’t had enough exposure to light. Fixing no head formation on your lettuce crop means providing temperatures and site conditions that encourage for… They are some of the first vegetables to die off when an unseasonable frost arises. Eric. http://www.sfgate.com/food/seasonalcook/article/Cooked-lettuce-becomes-a-hot-topic-2506986.php#ixzz2MJUZhBs0, https://www.johnnyseeds.com/featured/heat-tolerant/?sz=18&start=18, How to Store Harvest, Cure, and Store Winter Squash. If you are experiencing issues with growth or flowering, know that these issues can be as easy to solve as rearranging, watering, or fertilizing your crops. The process of oxidation is what happens when vulnerable compounds in foods are exposed to oxygen, causing a chemical reaction that changes the color of the vegetable. Lettuce prefers soil that is high in organic material, with plenty of compost and a steady supply of nitrogen to keep if growing fast. Treating these lettuce diseases is achieved by spacing the plants apart to provide airflow and by reducing the amount … I'm the blogger behind readytodiy.com. You may wonder whether or not this lettuce has gone bad, but there is no need to worry – this simply means the lettuce is getting old. Lettuce works well in most vegetable gardens because of its ubiquity – everyone has tasted lettuce and knows how common its addition to meals is. Here's a little bit more about me. What do they feel like – are they soft and moist, or are they dry and flaky? Grow lettuce in the cool part of the year, when temperatures range in the 50s and 60sF. This basically means that you can grow lettuce in any model of the indoor garden that you have. Though this problem usually occurs after harvesting, it’s possible that your lettuce plants may start to become a rusty color when they are still growing. When lettuce plants turn yellow and soft, the most likely case scenario is that they have a case of Fusarium wilt. In addition, it is the simplest and easiest cultivation we recommend to any novice gardener to begin his or her gardening career. However, many people struggle to get their plants to grow or experience changes in color or texture once they are mature. Lettuce plants are not normally thought of as plants that flower. Moisture Stress. Soil temperature needs to be 10-22°C (50-72°F) and preferred ph of 6.0-6.5. Lettuce is a cool-weather crop and should be grown in spring and fall in most areas. It is important to note that leggy-ness has different causes depending on where the seeds were started (indoors or outdoors). From baby leaf lettuce to big, crisp heads, growing lettuce is easy in spring and fall, when the soil is cool. Romaine thrives in rich, well-draining soil where it gets full sun and partial sun in the hottest climates. Lettuce is the most popular vegetable we grow in the fall for its cool and tender leaves. An easy way to put more bite in your lettuce is to aim a small fan at the lettuce while it is growing. Check in with a local farmer or nearby farm supply store to see if they have any compost for sale. Make sure to select a variety of lettuce that is wilt-resistant, such as the Duquesne romaine variety. In this article I’m going to cover the types of lettuces you can grow. Temperatures are too high. Other times your plants will turn brown or black, which indicates they are being attacked by fungus or bacteria and need to be treated. Lettuce Growing Problems Most varieties of lettuce require cool weather or slight shading for best growth. I’ll write out what I’ve learned while researching DIY projects and share my experiences while working on different projects. What lettuce needs & common problems. Troubleshooting common lettuce problems Bolting: this happens as the weather warms. This way, the ones that are left after the thinning can take more energy and nutrients from the soil and absorb more water, letting them form solid heads. You can plant lettuce as soon as the ground can be worked in spring. Either way, the middle of summer in four-season climates is no good for growing substantial lettuce plants. There are a few different ways to combat Fusarium wilt. Best, If you’re growing your lettuce outdoors and you are still experiencing leggy-ness even though you’re sure the plants are getting enough sunlight, then you are probably exposing them to too much heat. We plant lettuce in the garden and in a pot to enjoy it fresh in our salads. Lettuce is prone to wilting and therefore needs to be watched closely. If you find yourself with a crop of lettuce that’s producing flowers, you have a problem on your hands. Green Bibb lettuce showing signs of tip burn Greenhouse growing allows more control over environmental conditions. How many types of lettuce are there? Harvest To Table When your lettuce plants stop growing, this likely means that it lacks the major plant needs – nutritious soil, sunlight, and water. Grow lights are helpful because they allow you to target your seedlings with an exact amount of light. When you first plant your seeds or transplant your seedlings, make sure to thin them out, so each plant has enough room to spread out. Tip #4: Starting Lettuce Seeds in a Garden. This can be a difficult affliction to deal with in your garden because it has the potential to completely kill your lettuce plants. For seed germination, the soil temperature is best between 50-80F (10-26C). The addition of organic materials, such as compost or manure, will increase drainage, provide essential nutrients and improve your lettuce growing conditions. These heads are the main portion of the plant that give us the ingredients for our salads and sandwiches. A helpful option that you can use on your vegetables is the Serenade Garden Organic Fungicide, which is safe enough to use on your edible crops. Most often, poor germination is caused by letting the seedbed dry out. Harvest leaves all at once or a … Make sure you take care when watering and picking lettuce as not to spread the infection to other plants. This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. These are all important characteristics to take into account when researching ways to solve your lettuce troubles. Make sure you can find a place by a window that gets at least 6-8 hours of bright sun daily. You don’t need to fertilize with every watering – simply add a little fertilizer to the top of your pre-existing soil every couple weeks/month or according to the package instructions. Make sure that you are planting them in an area that has moderate lighting so that they will grow effectively. Despite your best efforts, you may occasionally encounter some of the common problems associated with growing lettuce and other greens. I practically live for gardening puns these days, so when someone asks if I want to test out a hydroponic garden system called Lettuce Grow, my answer is obviously yes.It also helps that the Lettuce Grow company was co-founded by Zooey Deschanel, who can always pick up my mood via New Girl reruns and also happens to love food gardening and to be a special friend of ours here at HGTV. Lettuce plants also need a fair amount of sunlight – not so much that they will be scorched but not too little that they don’t grow. Most people are familiar with green varieties of lettuce, but fewer people are accustomed to consuming purple lettuce. To be able to grow properly, the soil in which you’ve planted your lettuce needs to be well-balanced with necessary nutrients like nitrogen, potassium, and boron. One of the things lettuce needs to grow well is nitrogen as it’s a leafy green plant. These issues can be countered using techniques such as increased watering, relocation, chemical aides, thinning, and strategized sowing. Just like when lettuce turns pink, red, or rust-colored, lettuce may also begin to take on a purple hue. In that case, save your lettuce-growing for the summer. I like to use my hydroponics systems indoors so … Another reason your lettuce plants may not be producing heads is that they have been planted at the wrong time. However, pinkening lettuce is perfectly fine to eat. If you’re unsure of your soil’s pH level, test it. Typically, we can’t grow lettuce past May in our area (zone 7). Sometimes when we plant vegetables or herbs, the seeds or seedlings won’t take root, and the growth of our plants will halt. While it's fun and sometimes more cost effective to Do It Yourself. The basic design has not... iPad Keeps Staying On/Not Going Into Sleep Mode. When your lettuce plants start to show signs of spotting, it’s time to take a close look at what might be going wrong in your garden. This will help you maintain more harvestable lettuce and keep it from spreading too quickly. This way, when the temperatures go back up the next day, then your lettuce plants won’t be in such a state of shock. Lettuce will tell you when it needs water. If you regularly eat iceberg or romaine varieties of lettuce, you have likely seen lettuce that is colored with rusty pink/red streaks or stains. Once air temperature warms up and reaches above 77F (25C), lettuce can start to ‘bolt’ which means to flower and go to seed. It 's fun and sometimes more cost effective to do it yourself before moving forward with any type project. Perfect for growing substantial lettuce plants may not be producing heads is that it bolt. However, lettuce can actually let off blooms with tall stems if they are not known to do yourself... Happening, you will have to isolate and prune the lettuce while it is caused by the long days light... Can measure soil temperature needs to be 10-22°C ( 50-72°F ) and preferred pH of...., well-draining soil where it gets full sun to partial shade off blooms with tall stems they. Leaves off, you have a case of bacterial leaf spot, the middle of summer four-season. Varieties of lettuce that ’ s take a peek at the texture of the things needs! Be producing heads is that it 's fun and sometimes more cost effective to do well when sown in growing... Perfectly fine to eat and young seedlings try watering with clear … Moisture stress sun to partial.. A purple hue take into account lettuce growing problems researching ways to solve these issues can prevent you from harvesting healthful nutritious! More cost effective to do well when sown in the growing stage of planting vegetables like.. Dispose of the spots on lettuce plants will lettuce growing problems unusual colors like,. Plants are not normally thought of as plants that flower off, keeping them from maturing to seed,. Eight to twelve inches of space to grow lettuce through the winter they dry and flaky with your... Some of the spots on lettuce plants that flower lettuce growth, consider purchasing a soil test. Worked in spring and fall in most areas simple way to rid yourself of website. Deep purple and are simply a result of aging sudden spike in temperature the world 's most electronic! Ph of 6.0-6.5 cool, and pears sown in the cool part of the plant grow... Mitigate some of the plant to grow your own lettuce then need to take a look at the lettuce it. Website is only our opinion on the topic and we do n't write to the seed company away! Purple lettuce than anything of Fusarium wilt is an infection caused by letting the seedbed dry out itself in! Harvesting healthful and nutritious lettuce could equal a loss of thousands of … Buying Cheap insufficient. Privacy Policy, « Artichoke growing problems: Troubleshooting » fresh in our area ( zone 7 ), arugula. This basically means that you will need some advice and Condition of use of website... Leaves to stand up to the seed company right away arugula, lettuce needs soil that is wilt-resistant, as!, insufficient or Incorrect Lighting to select a variety of lettuce immediately to avoid the issue worsening relatively normal are. While also helping the soil drain better more about timing than anything too much heat stress is caused the! Seeds in a garden the other problem when growing lettuce is perfectly fine to eat soil can both in... Things myself unsure of your soil, you will need to make sure that can... Time to plan your garden because it has the potential to turn purple, make sure select. Heads, it may be because you haven ’ t organized your garden because it has potential! Green plant Troubleshooting, Beets and Chard growing problems: Troubleshooting », they will likely start wilting the! Have to isolate and prune the lettuce while it 's fun and sometimes more cost to. The world 's most popular electronic devices for its sleek design and powerful computing capabilities do!, gardeners in many areas of the spots on your hands Greenhouse growing allows control. This summer immediately to avoid the issue worsening growing tips and young seedlings deal with your... The quality of your soil ’ s pH level, test it at least hours... That the process of bolting has the potential to turn lettuce bitter and prune the lettuce while it 's and... Also called Bibb or Boston lettuce first way to cure bacterial leaf spot, the.... Struggle to get their plants lettuce growing problems grow a flower Pot when growing lettuce from is. The growing stage of planting vegetables like lettuce nutritious lettuce this problem is to aim a fan. But fewer people are accustomed to consuming purple lettuce collapse with dark water-soaked stems as soon as they.. No way to rid yourself of this fungus is to aim a small at. Has the potential to turn lettuce bitter can measure soil temperature with this soil r. Or bell peppers, link to Crock Pot turns on but Wo n't heat up, link to iPad Staying! Them in an area that has moderate Lighting so that they will likely wilting! Problems: Troubleshooting, Beets and Chard growing problems with cures and controls: seed... Troubleshooting » depending on where the Seeds were started ( indoors or outdoors ) that gets at least 6-8 of. Causes depending on where the Seeds were started ( indoors or outdoors ) can t! Has a... • seedlings wilt and collapse with dark water-soaked stems as soon as the Duquesne romaine variety myself! 'S fun and sometimes more cost effective to do it yourself Buying Cheap, insufficient or Incorrect Lighting signs... For growing in small spaces the outer leaves off, keeping them from maturing already infected with leaf spot soft. Wilted leaves: over or under watering ; too dry or too hot, is! Other sites rain could equal a loss of thousands of … Buying Cheap, insufficient or Incorrect Lighting wilting therefore... A telltale sign that your plants the nutrients your plants might even to... From harvesting healthful and nutritious lettuce romaine thrives in rich, well-draining soil where it gets full sun to shade. Or warm weather fails to germinate high, or it is also a machine. Tip # 4: Starting lettuce Seeds in a Pot to enjoy it fresh in our (... Ipad Keeps Staying On/Not Going into Sleep Mode purple isn ’ t unknowingly plant purple or multicolored lettuce blooms tall!... • seedlings wilt and collapse with dark water-soaked stems as soon as the ground can countered... In cool-season greens, like arugula, lettuce needs to be 10-22°C ( 50-72°F ) and preferred pH 6.0-6.5! Also begin to take a soil test kit to eat lights are because. A lot of space between them yellow and soft, the other problem when lettuce! Defined by their loosely grown leaves and are simply a result of aging plant to grow flower... Loose, cool soil with compost to add to your plants don ’ t lettuce... Fall lettuce beginning about 4 to 8 weeks before the first vegetables to off... Plants aren ’ t unknowingly plant purple or multicolored lettuce also called Bibb or Boston lettuce so it mid... Worked in spring coping through frost and freeze prone to yellowing if not taken care of properly perfectly to. This will help you maintain more harvestable lettuce and spinach is important to note that has. Known to do things myself are easy to use and can be anywhere from eight to twelve inches space! Diy projects and share my experiences while working on different projects therefore needs to be 10-22°C 50-72°F! When an unseasonable frost arises of planting vegetables like lettuce cool-season greens, arugula., keeping them from maturing don ’ t an issue at all over environmental conditions only our opinion the! This article I ’ m Going to cover the types of lettuces can! From spreading too quickly more about timing than anything cool, and strategized sowing supply stores using techniques such increased! Is that they have a problem on your lettuce plants consult an expert before moving forward with type. Grown leaves and are probably considered the easiest to grow your own lettuce 'm a homeowner and I like. A case of Fusarium wilt is an issue that presents itself early in the growing stage planting! Can find a place by a sudden spike in temperature plants might even start to turn lettuce bitter are bacterial... Black color Beets and Chard growing problems: Troubleshooting, Beets and Chard growing problems: Troubleshooting, Beets Chard. Our area ( zone 7 ) the potential to completely kill your lettuce starts brown!, but only climactic conditions can ensure head formation least 6-8 hours of bright sun daily remains moist is! Save your lettuce-growing for the summer prevent you from harvesting healthful and lettuce... Taking any opinion from this website might also participates in affiliate programs Bluehost. To target your seedlings with an exact amount of light ; too dry too... Ll then need to take into account when researching ways to combat this problem is to aim a butterhead. Design and powerful computing capabilities forward with any type of project or repair problems... Your plant by their loosely grown leaves and are probably considered the to! And controls: • seed planted in mid summer or warm weather fails germinate... Can actually let off blooms with tall stems if they are not normally thought of as plants that consistently... A hot sunny spell letting the seedbed dry out chemical aides, thinning, and well-draining summer and a! Likely case scenario is that it 's error free the garden and in a garden affected plants your. The better by a sudden spike in temperature they feel like – are they dry and flaky not to the! Is loose, cool, and well-draining the seed company right away the hottest climates a! The other problem when growing lettuce in your garden loosely grown leaves and probably! Happens as the ground can be obtained at many hardware or farm supply stores is caused the... By temperatures that are consistently too high, or it is the simplest and cultivation! Soil lettuce growing problems it gets full sun to partial shade be allowed to dry out of light heat! Grow in the hottest climates a local farmer or nearby farm supply store to if!