Keep the temperature in your grow room consistently between 65 degrees F and 75 degrees F. SYMPTOMS: Leaves all over the plants are yellow or brown, with tips and edges that appear burned, while the veins remain green. As aphids feed, they excrete a sticky substance referred to as "honeydew," in which black sooty mold grows. Some infested leaves have black discoloration because aphids secrete a sticky substance where sooty mold forms. The sulfur creates conditions that prevent it from growing and spreading. They bend downward, while the leaves curl up. Connect and share knowledge within a single location that is structured and easy to search. The plant is not getting enough water. QUICK FIX: Isolate infested plants from others and spray them with a formula that kills the eggs and the larval stages as well as the adults. Came home seen what looked like a spider hanging from a leaf on a web, killed that spider mite and a couple more, moved the plants, by this time I'm down to 4, and nice green leaves, 3rd set, but older leaves had tiny Brown holes almost needle size but looked like tiny cigarette burns. The older leaves seem less/not impacted. I brought one crop to flower and I have some buddies growing it outside and they are getting some fantastic results. One of the most common diseases you'll find on your plants is black spot. Nitrogen toxicity will show as very dark green leaves on your plants. http://www.growweedeasy.com/boron-deficiency-cannabis, https://forum.growweedeasy.com/forum-torpedo-seeds. However you handled it, I'd love to know. SYMPTOMS: Silver or bronze colored streaks on leaves, which eventually turn brown, dry and crumbly. Dont worry if the impacted leaves dont improve in color and vitality. The one pics your leaves are curling up around the edges. A good friend listens to his friend when he has a problem, and if you want to be a good friend to your plants, youll need to listen to the messages they send through their leaves. information on Virus, More information on Herbicide I live in a highly prohibitive state, so any help locally is not in question. Good luck. then you can start ordering seeds and experimenting with new strains. . > Fruit > Grape > Malformed or distorted leaves, Commercial Fruit and Vegetable Production, Regional Sustainable Development Partnerships, Fish, Wildlife, and Conservation Education, More information on herbicide injury (PDF), More information on Grape Phylloxera (PDF), More information on Phomopsis Cane and Leaf Spot, More information on Anthracnose (Bird's Eye Rot), More information on ringspot virus decline, Distorted and twisted leaves, margins of the leaf are often cupped upward, Galls are formed on the undersides of leaves from phylloxera feeding, Leaves may be puckered along the veins or the margins may be turned under, Dark brown spots with yellow edges can also appear along leaf veins and petioles, the lower leaves are most commonly affected, Fruit will turn light brown and shrivel, small raised black pimple like structures may be visible on the fruit surface, Symptoms on berries are most obvious close to harvest on maturing fruit, Leaves develop circular lesions with gray centers and brown or black margins, the center of the leaf spot may fall out resulting in small ragged holes in the leaf, Infected shoots develop spots that become sunken lesions with gray centers and dark reddish-brown raised edges, Infected shoots may be confused with hail damage; but unlike hail damage, the edges of the lesions are raised and black, Berries develop small, reddish circular spots that average 1/4 inch in diameter that may become sunken with a dark brown to black margin, resembling a birds eye, Berries are susceptible from bloom to veraison, Infection is more prevalent in rainy years, Leaves have large, red-brown patches; a gray mold may or may not be observed on the leaf, Berries become soft and watery, and may be covered in a fuzzy white-gray mold, White grapes will start to turn brown while purple grapes turn reddish in color, Berries that have been infected for several days will shrivel and drop to the ground as hard mummies, Multiple berries in a cluster can be infected, Young leaves will appear smaller, cupped and chlorotic, Shoots are stunted (shortened internodes), Shoots growing on infected canes will appear deformed and discolored, A canker that is flat in appearance develops on older woody vines, often around old pruning wounds, Symptoms usually only seen in vines >6 years old, Leaves exhibit a random pattern of yellows and greens or leaf yellowing in first year of infection, Smaller leaves, shorter internodes, and reduced yield are evident in second year, Growth is severely stunted in the third year, Fruit clusters are sparse with uneven ripening, Leaves are fan-shaped (resembling 2,4-d injury), Leaves may develop a bright yellow mosaic pattern or yellow vein banding. No.. it got a different version of Black Russian. Dropping Leaves. . The hands of these leaves can have as many as 13 fingers.. Maintain constant ventilation and allow sufficient space between plants and lights. Wilting and collapsing stems are signs of drought stress. Be sure the plant's pot drains well. Watering issues, slack of nutrients, or pests could be to blame. VirusCucumber mosaic virus, tomato mosaic virus, tomatospotted wilt virus and more. That's why "bloom" stage nutrient formulas are relatively low in nitrogen. Another sign of thrips is white stripes or scarring on the front and back of the spathe, deformed spathes, and with gradual maturing, tanning of injured tissue. I think it might be genetic stumpy. Short leaves in the middle of leaf hands or even numbers of fingers on the hands are two of the common deformities. Fix: The first order of business is to let your plant dry out. This is the first time I've seen that with cannabis. I said "I'm pretty sure the pH of the dirt and the water is fine. Not one tomato is on this plant and the plant is about 3 feet tall and was planted around mothers day. I'm on my 1st grow, started with 6 bagseed from dro. It can also lead to the development of mold and fungus and may invite pests. However, when a small amount drifts onto a broadleaf plant, it can cause the new growth to take on a bizarre appearance. QUICK FIX: When your plants near their full-grown size add bone meal-based supplements, which are rich in phosphorus, to your regular feeding program and increase the dosage (following package instructions) as the buds begin to form. When it make sense, prune away entire sections of the plant. For the best experience on our site, be sure to turn on Javascript in your browser. Flower buds may be white on the outside and never open. Know how much water your plant needs. I guess they can get light stress even without too much heat? Black mold growing on top of leaves. Do not let the soil become soggy, it may lead to root rot. I'm using the Revolution DEva 1000 DE, this also has square wave technology like the CMH. I did a manifold on these, I guess if they start pushing the height too much I can bend or super crop a little. Hi guys. Plants need drainage an micro-nutrients. Fortunately, phosphorous deficiencies are less common, but if you do encounter such a problem, it can be treated by adding phosphorous-rich additives to your soil, including fish meal, worm castings, crab shell, or soft rock phosphates. SYMPTOMS: Lower leaves look yellow and become soft and curl inward, then turn brown and crispy before falling off completely. Do you think i could? Yes they did, and I removed the delay on the light mover, no more stopping. For many crops, the need for phosphorus peaks during the transition from vegetative growth to budding. Do not compost diseased leaves/stems and risk spreading fungus spores into the soil. As far as recovery goes, will I see recovery in the already twisted leaves? After your recommendations and others, I increased my feedings from once daily to 3 times daily, and from 5 minute floods to 15 minute floods. As far as lime tree pests go, they cause a lot of damage to new developing leaves. Instead, watch to see that any new growth is healthy in appearance. Likewise, if your leaves curl downwards, it could indicate potassium or phosphorous deficienciesor, once again, overwatering. New leaves were curled and stunted and the terminal buds got gnarled up and stopped putting out new growth (see photo). If the curling is also twisty/the leaves are deformed, then I would also consider . Leaves, stems, and petioles are twisted, distorted, and/or cupped. Make sure the soil in the pot drains excess water well. I only flushed the capacity of the pots (3 gallon) since I only noticed slight . If you suspect a virus or mite problem, you may need to send a sample to a diagnostic lab. The deformed leaves are on two rose plants--a 'Peace" tree rose, in ground, on which I have never noticed such a condition before, and as you noted, in a pot, "Smooth Lady" which I purchased from Russian River Rose Company in Healdsburg, last fall. While most aren't harmful to the plant, a few are plant pathogens. These plants grow tall with leaves that tend to be long and thin and of a lighter green color. I recommend watering until run-off everyday. The best way to fix a potassium deficiency is to use a single-nutrient potassium fertilizer. Try to keep the soil merely moist. The fill for the raised bed is 100% compost purchased from a local plant store, with no amendments or additions. Light burn is exactly what the name suggests. In some plants it's mobile (e.g. And then one day, someone mentioned tomato russet mite in a Facebook gardening post I was following and when I looked into it, it seemed to match what was happening in my garden. Plants are stunted even when neighboring plants look healthy and tall. Avoid letting plants stand in water. . Click here to view the history of PlantTalk Colorado. You have a 50/50 mix in 3 gallon pots the draining and drying capability of your mix is huge. I treated it with a 2% calcium mix and this seemed to get rid of those symptoms. With suggestions for how you can prevent and treat struggling plants. Determining what nutrients your plants may be in short supply of, however, can be challenging. . JavaScript is disabled. A blend of pyrethrins, a nerve agent made from chrysanthemums, and neem oil, a natural growth disruptor, combined with insect-killing soap, like ourSafer Brand Insect Killing Soap, wipes out all stages of the pests without harming plants, people or pets. One actually needs 12 foot ceilings for this light. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). If your plants are wilting, this means they have reached an advanced stage. My plant is twisting yes, but it's also showing no growth on one side of the vien.. it's weird. Not sure what's going on with my hot pepper plants. White fertilizer salt residue on the topsoil. The nymphs are translucent and can appear to be the same color as the leaves. Composted materials of this type are meant for mulching or digging into garden soil; they are not usually suitable for use as a planting medium, especially not in a contained area. Scientists aren't sure what causes the deformity, but they believe it is probably caused by a hormonal imbalance. Yellowing or deformed leaves, burnt tips, or even slow growth are signs of cannabis seedling problems, even though your seedling may be able to recover, it may have a toll on the final size and yields of your cannabis plants. I've attached some images that should show the affected area of a couple of the plants, as well as a previously healthy plant that is now affected. Temps range 70-75 at canopy. Plants will exhibit wilt symptoms even though adequate soil moisture is available. These are some of the more common diseases the home gardener may encounter. Plant daylilies in a mostly sunny site. When I returned the media was dry, after watering the plant at 5 minutes the day before. SYMPTOMS: Lower leaves look dark green or bluish and appear shiny. I do a modified Manifold on my plants, this prevents stretch during veg and allows more room between light and plant, I try keeping my girls at 38" or less, I veg under T5, then to the HPS. 1998 Childrens Online Privacy Protection Act (COPPA). Rotate crops and avoid planting in soil previously planted with pepper, potato, tomato, or cucumber family members. Plants are deformed; pods are highly deformed. It looks pretty advanced to me as well. The leaves on my plant have brown spots and look wilted. This article was published by Michigan State University Extension. Dr. James Klett discusses the history of PlantTalk Colorado. Deformed leaves are simply a plants way of calling out for help. Plants too close to high-intensity lights are prone to heat stress, but it can be a problem in any room where temperatures are persistently above 80 degrees F. QUICK FIX: Set up fans to blow out hot air and bring in cooler fresh air. By using our website, you agree to our, Safer Brand 32oz Neem Oil Ready-to-Use Fungicide, Miticide & Insecticide, Safer Brand Horticultural & Dormant Spray Oil Concentrate 16oz OMRI Listed for Organic Use, Safer Brand Garden Fungicide Ready-to-Use Spray, What to Look for When Choosing Home Insect Control Products. Link-only answers can become invalid if the linked page changes. Blistered areas on leaf edges that causes them to curl upward. Contact your local county Extension office through our County Office List. Wipe the stems and leaves down with a cloth or brush dipped in the same pesticide you used on . When growing in soil, iron is absorbed best by the root system in the 6.0 to 6.5 pH range. 70-75 degrees F on the temps. I lost a whole month's growth to too much N one year. Hace your buddies shoot you some cuts if there's are not shoeing those abnormalities. Affected leaves curl downward. Distorted leaves can be picked off a plant, if insects are the cause. Not sure what your numbers translate to, but keep the coco wet all the way through. Spider Mites CAUSE: Aphids are tiny pests that can be red, green, black, brown or white. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. In some of your first pictures I can see in the back ground leaves that display mite damage. The growing tip or apical meristem of the plant, which normally produces cylindrical tissue, instead becomes elongated perpendicularly to the direction of the growth or it splays out to the sides. Weather events, such as cold temperatures when leaves are emerging from the bud, also can cause leaf malformation. I also have several baby jade plants which don't have this problem. Inadequate drainage of containers or watering hydroponic plants too frequently can also lead to the symptoms of watering. Control: Properly space plants to allow for good air circulation, which reduces the humidity level needed by the fungus to infect. I now cover my plants with blankets when spraying and have three years with zero damage. Deformed leaves can also be caused by environmental stressors, such as extreme temperatures or light exposure. Prune out diseased tissue, rake up and . Good grow soils and adhering to a healthy watering schedule will help avoid root rot. Underwatering can also be a problem that will usually show itself in downward-curling leaves that barely hold to their stems. In Figure 2., leaf . Growing Weed Should Be As Easy As Smoking It, reasons why your cannabis plants leaves can become deformed, How to Fix Rust Spots on Leaves During Flowering. Running 50/50 coco/perlite. However, when a small amount drifts onto a broadleaf plant, it can cause the new growth to take on a bizarre appearance. Loss of leaves, flowers, or fruit. Both nymphs and adults suck the fluids from new growth, which causes fresh leaves to be stunted or twisted. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Deformed leaves are simply a plant's way of calling out for help. See: Deformed leaves in cannabis plants is mostly caused by pH imbalance. In addition, These plants are planted within 5-10 feet of a bed of tomatoes in similar planting conditions, some of which are showing leaf curl which does not resemble this, and a potted ground cherry plant in store-bought potting soil does have similar symptoms. As noted earlier, overwatering can cause root rot, and like everything with your plants, it will show itself in their leaves. It is currently at 1/1/1, trying to transition to flower. Also the new growth is coming in twisted and distorted. Yes, tomatoes may continue to produce deformed leaves, as 2,4-D is systemic (translocated) throughout the plant. They are in planters on a balcony & get 4-5 hours of direct sunshine a day (I know, probably not enough:(. This year I have planted 5 varieties of peppers in a brand-new raised bed in central Arkansas (zone 7b). If virus or aster yellows is the cause, entire plants must be removed to control the disease. Taco on upper leaves. Last year I found out too late, this year my Marconi and Cubanelle are fried but I have so much more. Again, the key is to avoid the . Remove sick leaves - Whenever you come across sickly milkweed leaves, remove and discard. Ive got about 18 more inches or so left in my tent. Maybe try about 24 or so? Maybe it is the same.. i dunno. SYMPTOMS: Edges of leaves curl inward and form a cup, even when the lights are off. At first 2 of the plants showed signs of strange growth, including new leaves curling, thickening, becoming harder, darkening, and areas of new growth looking strange and stunted. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Thrips, tiny black or brown insects, have been feeding on the leaves. 1 part calcined clay (the real hard, small stuff used on baseball fields) and 1.5 parts perlite. Paying attention and catching and addressing any problems early on is key. Plants need plenty of phosphorous while flowering and a shortage of this important nutrient will also cause your plants to turn a purplish color with dark patches. -Another leaf with growth on only one side of vien. Pruning is the best method to get the new leaves back on the plant. Curling Leaves. Dot product of vector with camera's local positive x-axis? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The humble plant ( Mimosa pudica) droops its leaves in response to touch. Im running 2 strains: 1 is called Flambed Fofana, which was a freebie from seed order. As a result of a pH imbalance, deformed leaves in cannabis plants can be seen in large numbers. Dappled leaves or flowers that die before opening indicate that your Anthurium has thrips. Leaf miner - The leaf miner attacks new growth on the lime tree. I did some crosses and then i did a back cross and got some of the same thing and even an albino trait came out. October 07, 2015. Your initial slow growth may have come from too much nitrogen in the compost. The yellowing of cannabis leaves is the most common symptom that growers see in their plants. > Vegetable > Tomato > If your plant's leaves are . Plants tend to outgrow damage caused by cold injury and low doses of herbicide. The types of leaves your plants produce can give you an idea if your plants will lean more toward a sativa type or an indica. Brown or black, rotting roots, or other signs of root damage. It's an old post but this was a hard one for me, so I sent information to my ag extension office at PENNState. What does a search warrant actually look like? A lack of flowers. Powdery mildew of gardenia primarily affects young leaves and shoots, and symptoms of infection typically include deformed leaves and buds, leaf yellowing, and leaf drop. These are the bane of every growers existence and may include various types of fungus, gnats, or mites. For a better experience, please enable JavaScript in your browser before proceeding. I have a more twisted problem than that growing outside. Stumpy, that twisting is typically associated with pH being out of range. By continuing to use our website you are agreeing to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. QUICK FIX: Give plants in their vegetative growth stage a high-nitrogen nutrient formula. Im running a 6 extraction fan with filter, running mostly on passive intake, but also have a 6 intake fan in case I need to cool down quickly. I know its not good news but you might want to try and get some cuts from some1 and keep 1 for a mom if the strain works out for you. QUICK FIX: Allow plants to dry out and then gradually increase water as plants recover. This will allow your plants to use up what water is in the soil and for some of it also to evaporate. PREVENTION: Aphids produce as many 12 new offspring per day. . This causes the yellowing and wilting. Over watered them, for a few days I developed the idea, let's put em outside during the day, bring em in at night. Diseases. The upper leaves are most affected. My PH runs between 5.7-6.0, using ph down to adjust. My current nutrient solution is at 1100 ppm. Im running a flood and drain, so just flood 2-3 times a day as opposed to once? pH imbalance inhibits the absorption of vital nutrients, even when they're sufficient in the grow medium. this same plant, since birth was different from the other 3. it had way wider, darker and rounded leaves, many of which had that webbed thing going on. Due to their harsh taste, however, growers tend to trim them away. Truce of the burning tree -- how realistic? Small yellow-green raised spots on leaves turn brown and become water soaked; leaves may fall. I just noticed today the tips look to have some slight nutrient burn, so I just flushed the plants today, post picture, with ph'd water and GH Floraclean. The reason I kept that Lil one is b/c off the albino thing. Water them and check the soil regularly. Oh, forgot to mention, I have my light on a light rail mover, had it stop for one minute on each return, that was appearantly too long. Spray the leaves with neem oil or rub them with a swab soaked in rubbing alcohol to eliminate the pests. Germinated 6 seeds, got pulled away, checked em on the third day, 5 seeds sprouted about 2inches long root on the seed, #6 didn't sprout. Symptoms of foliar nematode infestations include deformed leaves or yellow to dark brown spots between major leaf veins. For a second I thought this was damage from dicamba (look it up for fun, its a major herbicide lol). Newcomers to Colorado will find specific information to successfully garden in Colorado's diverse climate and geography. You can also use foliar sprays or insecticidal soaps to rid your plants of common pests while inviting in beneficial insects like ladybugs to keep the unwelcome types away. Your descriptions of no 2,4-D injury to neighbor's tomatoes and no damage to redbud or lilac do seem at odds with a 2,4-D drift. Disclaimer | they all seemed to present the same symptom, leaves are curled and deformed. Find your yellowing and learn what to do about it. Thanks for contributing an answer to Gardening & Landscaping Stack Exchange! Photo by Department of Plant Pathology, North Carolina State University, Bugwood.org. Gets as low as 70 at night, as high as 75 during the day, Sweet thank you! Check underneath leaves every week to catch any new infestations. I grow in fox farms, so feeding is much much different, No doubt about the difference Growmax! This is a little late of a response as you may have already cured your problem by now. After 3 years he was able to grow in the beds. Resource for Colorado residents to find research based gardening information for the diverse Colorado climate. As long as you've got good air circulation you should be fine to water at lights out. Your pictures show a bad case of Tomato Bacterial Wilt. First leaves look like they were suffering from a Calcium deficiency (this coincided with the 5.55 Ph which could have been the cause). PREVENTION: Monitor the temperature not just in the room, but around the upper surface of plants. Fruit have yellow blotches or brown rings. CAUSE: Thrips are minute (less than 1/25 of an inch) insects that can be yellow, brown or black. Then adjust the pH level in the soil. https://extension.unh.edu/blog/2020/05/broad-mites-pepper So I killed the gnats, added extra drainage, soil dried out. Growth tip looks kinda like a rosette? F. elastica 'Robusta' has larger leaves than 'Decora'. QUICK FIX: Apply Safer Brand 3-in-1 Garden Sprayto the tops and bottoms of leaves at first sign of the white fungus. @Bamboo, It's a municipal compost, I believe. PREVENTION: Water soil-grown plants only when the top inch of the soil is dry (stick your finger in it to check). Was in 1 gal. This causes the yellowing and wilting. If, however, the foliage is wilted, spotted or in any way less than robust, your plants are likely to be suffering from a pest, disease, nutrient deficiency or other problem. CAUSE: Overwatering is a more common problem in indoor gardens than underwatering, but it is not always the result of giving plants too much moisture. QUICK FIX: Spray the pests and foliage with Safer Brand Insect Killing Soap -- it stops the feeding and weakens the insects' natural protections. If virus or aster yellows is the cause, entire plants . To bountiful summertime harvest, you need to make sure . But with some varieties, leaf curling may occur on most leaves of a plant and last for the entire season. larger numbers of aphids can cause curling, stunting, and wilting of leaves, Small insects, pear-shaped, usually greenish; clustered on leaves, Leaves are mottled with yellow and light green patches, Leaves are misshapen; unusually long and thin like a shoestring or curled and deformed, Fruit have yellow blotches or brown rings, Plants are stunted even when neighboring plants look healthy and tall, Leaves curl upward and inward, creating a tube in severe cases, Leaves are twisted, cupped, curled, or distorted, Veins in leaves are thick and close together, Side of the plant closest to the herbicide application is most severely affected, In sever cases the entire plant may be affected. Dont reintroduce water until the soil is dry, and when you do, introduce it slowly. Apply to CSU | We comply with the Federal Trade Commission 1998 Childrens Online Privacy Protection Act (COPPA). And its the first thing you should check and seek to correct. This page was generated at 06:59 AM. Meh cuz everything is in veg right now, it's all in the same room, the lights are set to be just about 3 or 4 inches from the 2 foot tall plant, the light are about 2 feet from the shorter plants. Michigan State University Extension horticulture educators and Master Gardener hotlines receive periodic calls about weird growths on plants and what causes them. You may want to combine this with the use of a stronger fan as such a fan will remove more water through the leaves so the plant will uptake more water from the soil when it is needed. Leaf miners, scale, citrus mites, and aphids are the most common pests of a lime tree. PREVENTION: Cooler temperatures and dramatic temperature swings can inhibit plants' ability to take up phosphorus. Gardeners should be on the lookout for tarnished . Neem stays active for 5 to 7 days -- repeat the treatment two to three times at 7- to 10-day intervals to ensure you've eliminated all of the pests and any new generations hatching. My advice is start looking at cures for mites and/or gnats. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? I'm battling it again this year, I'm culling the plants because I'm noticing the SLOW but obvious spread. Deficiency? 2022 Woodstream Corporation, Inc. All Rights Reserved. Hope this helps you too. Was that sheep manure too fresh? Aphids are tiny, oval, and yellowish to greenish pear-shaped insects that colonize on the undersides of leaves. If you get a very think layer of algae it can become a breeding ground for mildew so just break up the surface periodically. Any help would be greatly appreciated. Like leafhoppers, plant bugs inject a toxin into your plants' leaves, buds, and shoots as they feed. As plants get close to harvest, it's normal for them to show signs of a nitrogen deficiency. Over-watering and poor drainage can cause root rot and encourage fungus gnats as well as other pest issues. Brown Leaf Tips. I used 2 parts Miracle Grow brand (yellow bag, regular potting soil. Fasciation is described as abnormal fusion and flattening of plant organs, usually stems, resulting in ribbon-like, coiled and contorted tissue. Like aphids, whiteflies secrete honeydew that is colonized by black sooty mold. If it is underwatering, thats probably where it occurred? Food for though. Leaves are misshapen; unusually long and thin like a shoestring or curled and deformed. It doesn't spread to other plants or other parts of the same . Plant fasciation is one of the mysteries of the garden, but be a smart gardener and remove the odd growth. Asking for help, clarification, or responding to other answers. Seedlings Fail to Thrive. It started with the jalapeno plant and then hit the scotch bonnet a few weeks later. I'm starting to think that it could be one of the following: I'm trying to determine if any of the above causes are obvious causes of these symptoms. Leaves are narrow and stretched. My plants are ~18-20 @ 8 weeks old. Webmaster | When formerly healthy leaves start to curl upwards or downwards, if they start to droop or develop burnt edges, you're being alerted that something is wrong.