are usually prized for their foliage, but yellow and brown leaves are not the most desirable of rewards. Slugs and snails chew on the leaves and damage them to the point when they turn brown and die. A: Leaf spots on hosta can be difficult to diagnose. Iowa State University Yard & Garden FAQs: The Leaves on Several of My Hostas Have Turned Yellow, Then Brown, and Finally Collapsed onto the Ground. Browning of the Hosta leaves may also come as a result of plant disease called anthracnose. Dead leaves are pest friendly, so you’ll do well to start pruning hosta plants as the foliage fades. Facebook Twitter Reddit StumbleUpon. This disease is difficult to control since the fungus can reside in the soil. Hosta plant leaves turn yellow or brown for a variety of reasons, including too much sun, not enough water, insect damage, disease or simply from going dormant in the winter. asked May 13, 2013 by anonymous | 303 views. Symptoms first appear as lower leaves wilt and brown. Keep in mind that it might be perfectly natural for the lower leaves on your plant to first turn pale yellow, then turn brown and drop off. Some of the leaves on my hosta are turning brown and dying. When this happens, the leaves are cut off from the main stem and are unable to receive nutrients. They are turning yellow and brown, with small, round, brown spots over about a quarter of the leaves. As the disease progresses, the leaves discolor and wilt. Why are There Holes in My Hosta? Keeping the soil evenly moist but not flooded is the best preventive. In the spring, the leaves of hostas appear later, and it has a slower growth rate than a healthy plant. I water it every day. In the final stages of the disease, the bases of the petioles rot away and the leaves collapse and lay flat on the ground. The center of the crown has a light brown color. They can also damage the stems and leaf petioles. In 'Aureomarginata' (H. Aureomarginata), each leaf is green edged with creamy white. Question by walter n: why are my hosta plants turning brown and dying?. Hosta plants are a perennial plant that has attractive foliage and is common in many home gardens. What Causes Holes in Hosta Leaves? Click this article to find out why this happens and what you can do. Once the plant recovers, trim out any badly browned and damaged leaves to improve the appearance of the hosta. Not necessarily. The Edges of My Primrose Leaves Are Turning Brown, University of California Extension: Growing Hostas, Iowa State University Extension: Hosta Diseases and Pests. Yellow hosta leaves can be the sign of Magnesium deficiency. It seems like leaves on only half the plant are turning brown and the other half is normal… Read answers: Answer by svengteach Too much water!! Replenish the mulch layer to 2 inches to insulate the roots in winter, but avoid covering the crown of the plants. One day later the leaves are turning brown or yellow. Her published articles have appeared in various print and online publications. Hostas naturally begin to to brown and die back in fall. Clean up around the plants and remove brown leaves. Collapsed leaves pull easily from the crown of the plant. This happens to many kinds of tropical plants as they grow. This also occurs when plants have too much water. For Yellowing Hosta Leaves. They key here is knowing how much is too much. The roots of the plant are still healthy and happy below ground, but the hosta won’t have any leaves until next spring. Hostas planted in the fall will look a year older than the ones you buy next spring, explains Bob Solberg, a leading hosta hybridizer at Green Hill Farm. April Sanders is a writer, teacher and the mother of three boys. No need to water everyday…especially since hosta is … Remove infected leaves. Without seeing the plants it's hard to say exactly what is causing the brown and lacy leaves. Remove all the foliage at the base of the plant and dispose of or compost it. Overwatering your plants is a surprisingly common issue and a few small adjustments can help you improve your landscape. Large, irregular holes throughout the leaves may indicate a chewing pest, such as grasshoppers. Diagnosing the problem first is necessary before you decide what to do next. Making sure hostas grow in the right conditions, checking for insects and eliminating disease ensure bright foliage year after year. If you notice that your hosta has been nibbled on, use a small pair of shears or a sharp knife to snip away the damaged leaves … Over time, the plant will form a bare stem. Cut back all the foliage after the leaf margins begin to yellow or brown. Raised on an organic farm, she is an avid gardener and believes that good growth starts with a rich, supportive foundation -- a philosophy that serves her well in both gardening and teaching. Most will tolerate … Reapply the granules weekly or after heavy rainfall. 3. I can't tell if anything is eating them, or if they are just dying for some reason. I planted hosta for the first time this year. Making sure hostas grow in the right conditions, checking for insects and eliminating disease ensure bright foliage year after year. Irrigate plants in a manner that keeps water off the leaves. As the disease progresses the edges of the leaves turn yellow, then brown. Comments (0) My Oncidium orchid has been in bloom for about 2 months now but her leaves are starting to turn yellowish brown. Avoid these problems as best you can by watering at the ground level, rather than from overhead, and by watering early in the morning so that the sun can dry off the leaves. Hostas grow best in part to full shade. Spring, when new shoots appear, is a good time to plant hostas or divide and transplant established clumps. One day I found the leaves are turning white from the middle. These pests feed on the edges of the foliage, leaving them ragged and brown. Written by James Schuster, Extension Educator, Horticulture, and reviewed by Bruce Paulsrud, Extension Specialist, Plant Pathology and Phil Nixon, Extension Entomologist, University of Illinois at Urbana-Champaign. Some hostas are much more tolerant of direct sunlight than others. Reduce the risk by growing hostas in full to part shade. Some of the more common fungal problems affecting hostas are anthracnose and botrytis. Their thick, luscious, shade-loving leaves are perfect for filling flowerbeds with loads of color and interest. Pull the mulch back so the soggy soil can dry and reduce watering temporarily. Wed Jul 24, 2013 5:58 pm Hi everyone I'm new to this site and not sure where I'm suppose to post my question but thought I would start here. Foliar nematodes cause a pale yellow or tan stripe between leaf veins. get that much sun. Hostas are usually termed \"shade-tolerant\" plants, meaning they will grow in shade or partial shade. As a solution, add a tablespoon of Epsom salt around the base of your hosta plant per 12 inches of its height, once a month (or more frequently, if required) until it starts to look green again. As the disease progresses, the leaves discolor and wilt. For Lush and Healthy Hosta … The leaf edges will turn brown in sun or extreme heat. I'm a new gardener. Hostas grow best in soil that remains evenly moist. Fungi don't just affect the roots of hosta plants. Avoid planting locations that receive hot afternoon sun. Help! Mulch the soil with shredded leaves, evergreen needles or other organic matter to keep the soil cool and moist. I trim off the bad leaves and gave a lot of water almost every day. My newly transplanted hostas (which are all green and some have a little light color)leaves turning white and dying? Perhaps the easiest situation to remedy is when yellow hosta leaves indicate too much sun. Affected hostas develop brown, mushy areas at the base of their petioles, where the leaf joins the base of the plant. Slugs can be controlled with a Slug & Snail Bait or by placing jar lids filled with beer in the areas where you see slimy trails. Healthy hostas glow in shades of blue, green, gold and cream. A little summertime hosta care will go a long way towards keeping your hosta plants beautiful, vibrant, and full of foliage all season long. Read answers: Answer by penny c not enough water. The leaf edges will turn brown in sun or extreme heat. Should the leaves start to turn brown or discolored, there are a few possible causes. Apply a fungicide to protect healthy leaves. Then it suddenly turned hot in Canada and I did not water for over 1 week. Petiole rot, caused by Sclerotium rolfsii, forces hosta leaves to turn yellow, then brown, before wilting and collapsing. As a solution, add a tablespoon of Epsom salt around the base of your hosta plant per 12 inches of its height, once a month (or more frequently, if required) until it starts to look green again. They can also cause ragged holes in the center of leaves. If possible, you might dig up the plants and move them to a more suitable location. why are all my hostas turning brown and the leaves curling up. The brown leaves appearing on your plants may be caused by too much hot direct sunlight. You can skip to the end and leave a response. Avoid planting locations that receive hot afternoon sun. Why are the Hosta leaves turning brown? yellowing leaves; browning leaves; brown edges; curling leaves; 1 answer. In the U.K., some Hosta varieties are called Plantain Lilies while others use the term Giboshi when referring to the plant. In fact, petiole rot is a common and serious affliction of hostas. We suggest cutting them back to avoid slug and disease issues. The damaged roots are unable to absorb nutrients and water, and as a result, the plant suffers or even dies, depending on the extent of the damage. I was told that it was a hardy plant and that bugs rarely eat them. Why Are Hosta Turning Yellow & Brown? 3. Eventually upper leaves wilt and show a soft, brown rot of the base of petioles. It was real light solution mix. Remove infected leaves. The problem is that my hosta's leaves are starting to turn brown. Harrington's specialties include small business information, crafting, decorating and gardening. Hostas are one of the most popular perennial landscaping plants of all. It is a hardy and versatile plant that normally requires very little maintenance. Hosta plant leaves turn yellow or brown for a variety of reasons, including too much sun, not enough water, insect damage, disease or simply from going dormant in the winter. One day later the leaves are turning brown or yellow. Hostas are plants with various species that are said to be native to the northern parts of Asia. 3 Reasons Why Your Houseplant's Leaves Are Turning Brown on the Tips When foliage looks dry and dead on the ends, it's a warning sign that something needs to change with your care regimen. Since theyare usually bigger and more beautiful than last year, we rarely take a closer look, that is until we begin to notice the hosta leaves have holes. This season, Plant Information has seen many cases of hostas infected with botrytis, which can be prevalent in cool, wet weather. Watering with an inch of water weekly and covering the soil with mulch is recommended. Hostas are one of the most popular perennial landscaping plants of all. Some hostas need a period of full sun to look and perform their best. Hosta leaves turning yellow. Why is this happening? To help you, we created a list of four signs to recognize when determining if there is too much water in your landscape. Symptoms. ), which grow in United States Department of Agriculture plant hardiness zones 3 to 9, suffer few major problems in the garden, so browning leaf edges can be a cause for concern. 2. Hosta might be a tough plant, but it can be quite susceptible to molds and disease under certain conditions. Many hosta cultivars have nice color in fall so let them thrive until they start to suffer from frosts. The brown leaves could also be caused by sun scorch or a viral or fungal disease. Tattered leaves may appear, ruining the appearance of our perfect shade beds and gardens. Here's how to troubleshoot the problem and prevent it from happening in the first place. Hosta leaf nematodes are microscopic roundworms that live, feed and reproduce inside the tender tissue of hosta leaves. Initially, it is difficult to see the signs of the FRCR. If you wish to remove your hostas, cut off the leaves to the ground and then dig out the crown located just below ground level. Water hostas under the foliage at their bases to prevent the leaves from getting burned by the sun. Scorch results when excessive sun and lack of moisture dehydrate the leaf-margin cells. If it is too late in the growing season to attempt this, perhaps you could find something to shade them with and move them in the spring before the new growing season begins in earnest. Well-drained soil is a must for these plants, and pots containing hostas should have a hole in the bottom to allow for good drainage. When leaves are uniformly green, open, upright and growing vigorously, your plants are well-cared for and healthy. are usually prized for their foliage, but yellow and brown leaves are not the most desirable of rewards. If you see brown and wilted leaves along with white masses on the plant, pull any mulch away from the hostas, as this could be a sign of Sclerotium Blight. We live in the Midwest and I'm wondering how to keep hostas from starting to turn brown in August. Premium Hostas. Pour vinegar or boiling water over the plant. Hostas are popular garden plants in many parts of the world. The leaves on your plants are trying to tell you something. Another possibility is draught stress. Scorch. Hostas (Hosta spp.) and /or too much sun. normally my hostas are green. Usually if the leaves are turning brown this indicates some type of moisture problem. Later the affected areas develop into chocolate brown streaks, islands or wedges bordered by veins. They are turning yellow and brown, with small, round, brown spots over about a quarter of the leaves. Prevent Scorch and Brown Leaves on Hostas. Hostas (Hosta spp.) Affected hostas develop brown, mushy areas at the base of their petioles, where the leaf joins the base of the plant. A. Increase watering so the plant receives at least 1 inch of water weekly, and cover the soil with a 2-inch mulch layer to help conserve moisture. Apply a fungicide to protect healthy leaves. In general, however, it's best to remove plants that suffer from these symptoms, especially if they appear all over the plant. But shade might not be their ideal growing condition. This premium hosta variety is part of a group of the finest hostas available today. Unfortunately, there is no cure for this disease. They look sort of burned, but they are all planted under a 15 year old Texas Ash tree, so they don't. Other symptoms include leaves that appear lumpy, have brown spots or are twisted oddly. Leaves of Hosta v. aureomaculata are yellowish green with a green border. However, fall is also an option, especially if you want your plants to look more established come spring. What do you think? Yellow hosta leaves can be the sign of Magnesium deficiency. I put transplant stimulator on roots before planting. This season, Plant Information has seen many cases of hostas infected with botrytis, which can be prevalent in cool, wet weather. White fan-like fungal growth at the base of the plant eventually has small, black structures on its surface. If they appear in just one section of the plant or on only a few leaves, you can just remove those leaves. Many home gardeners use hostas to brighten up shady corners of their gardens, but hostas are brighter when they receive some sunlight. Powdery Mildew. By Staff Writer Last Updated Mar 25, 2020 9:09:16 PM ET Hostas are ornamental garden plants that can fall victim to a number of pests, infections and diseases, and holes in the plant's leaves are most commonly the result of insect infestation, including slugs and snails. Southern blight, which rots the stem, and anthracnose, which usually attacks the leaves themselves, are also fungal diseases that can cause hosta foliage to turn yellow and brown. Sanders has written for Nickelodeon, Warner Brothers, Smarted Balanced, PARCC and others. It seems like leaves on only half the plant are turning brown and the other half is … Leaves Turn Brown and Wilt When plants have too little water, leaves turn brown and wilt. 2. Hosta Virus X causes mottled leaf coloring and is spread through sap transferred from one plant to another via contaminated tools or hands. Later the affected areas develop into chocolate brown streaks, islands or wedges bordered by veins. Written by James Schuster, Extension Educator, Horticulture, and reviewed by Bruce Paulsrud, Extension Specialist, Plant Pathology and Phil Nixon, Extension Entomologist, University of Illinois at Urbana-Champaign. September 20, 2012, erwin, Leave a comment. Petiole rot is difficult to manage once present. 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. Hosta foliage features wide leaves in various shades of green as well as variegated leaves. Hostas don't require watering once the foliage goes dormant. Any of several culprits -- critter, microbial or environmental -- may make these holes. I'm a new gardener. If you find a dying hosta … A white, cottony growth will develop at the base of the infected hosta and in the surrounding soil. Then it suddenly turned hot in Canada and I did not water for over 1 week. Jenny Harrington has been a freelance writer since 2006. Typical symptoms begin as yellow discoloration in late June, indicating that the nematodes are feeding. Hostas must be very tasty, because they are attacked by a variety of garden pests. You can increase watering so the plant receives at least 1 inch of water weekly, and cover the soil with a 2-inch mulch layer to help conserve moisture. What Is Happening to my Hostas? (Petiole rot can also affect daylily, peony, phlox, columbine, and other perennials.) Dig up and destroy infected hostas and do not plant any more hostas in the location for at least three years. One day I found the leaves are turning white from the middle. Although hostas prefer moist, cool soils, heavy and wet soil in spring and winter can lead to root rot -- a fungal disease that rots away the roots. In early summer, hostas unfold their remarkable leaves and provide tropical accents for the perennial garden. The biggest difference between the two is that too little water will result in your plant's leaves feeling dry and crispy to the touch while too much water results in soft and limp leaves. Hunker may earn compensation through affiliate links in this story. A. Sprinkle slug bait granules on top the soil around the perimeter of the hosta bed. White fan-like fungal growth at the base of the plant eventually has small, black structures on its surface. Black vine weevils and nematodes also feed on hosta leaves and will cause leaves to wilt and dry. Hostas grow best in soil that remains evenly moist. Answer below… This entry was posted on Thursday, May 19th, 2011 at 7:23 am and is filed under Hosta FAQ.You can follow any responses to this entry through the RSS 2.0 feed. Wisteria vines, once established, are generally free of major insect and disease problems. Probably you won't remember, ... Oncidium leaves turning yellow brown. In addition, these symptoms often mimic those of spontaneous mutations, or sports, which some home gardeners find desirable. We moved to this house and the hosta was beautiful in Spring. The brown leaves could also be caused by sun scorch or a … A: Leaf spots on hosta can be difficult to diagnose. Why is this happening? Also, the number of leaves and its size is smaller. Hostas also grow well in city environments where the air may be polluted by car exhaust, etc. Hostas are plants with various species that are said to be native to the northern parts of Asia. Hosta are plants that grow best in partial shade or even full shade. Growing in U.S. Department of Agriculture plant hardiness zones 3 through 8, they thrive in rich, moist soil and can tolerate full shade. Hostas can sometimes suffer from something called "Virus X," which causes the leaves to develop dark spots, rings, browning or twisting of the leaves. In late fall, after a few frosts, hostas will flatten out and get mushy. Botrytis on hosta first appears on foliage as water-soaked spots that Their large leaves provide excellent coverage for dying bulb foliage. I water it every day. Watering hostas in the morning will help keep them hydrated during hotter parts of the day during the summer. Known as urui in Japan, they’re commonly boiled, fried in tempura, or eaten raw. When you’ve noticed what the holes look like and where on the leaf they are, you may have a clue as to what its cause may be. Insect pests don't usually cause brown leaf margins, with the exception of snails and slugs. and /or too much sun. Hostas really don’t need much to make them look and I’m not the only one that loves my Hostas, so do the bugs : how-to-keep-hostas-healthy Every year about this time my Hostas start to look like Swiss cheese because they become full of holes and just sick looking, or the leaves start to turn brown, but thankfully I have a home remedy that all plants seem to Love but the bugs Hate : ) Petiole rot: Leaf stems brown at the soil level as leaves turn yellow, then brown, wilt and die. It's most common in warm, rainy weather. Growing in U.S. Department of Agriculture plant hardiness zones 3 through 8, they thrive in rich, moist soil and can tolerate full shade. In general, home gardeners in USDA zones 6 and above should avoid planting hostas in direct sunlight, according to the Missouri Botanical Gardens website. Generally, hostas prefer to be planted out of direct sunlight. Root rot is also caused by a fungus, but it's most common in overly wet soil. Too, towards the end of a very hot and dry summer sometimes hosta lily will start to go dormant early. I added 18 new Plantation hostas to my shade garden 2 weeks ago and I noticed that the leaves on 3 of the plants have begun to turn white. browning leaves; curling leaves; yellowing leaves; asked Jun 3, 2013 by anonymous. You can skip to the end and leave a response. Why is this happening? Young hosta leaves are edible. Hostas (Hosta spp. Hosta Virus X. In the U.K., some Hosta varieties are called Plantain Lilies while others use the term Giboshi when referring to the plant. Leaf nematodes can also be a problem on hosta. If your wisteria was recently transplanted, it may be going through transplant shock as it adjusts to its new environment. asked Jun 23, 2013 by anonymous | 358 views. Making sure your hostas get enough water during hot, dry periods can also help. Burrowing animals, such as voles, can also damage the roots of the plants. Hosta leaves turn yellow in the fall and fade to brown as the plants enter winter dormancy. 12 years ago. Discolouration of the leaves, turning them brown from the edges inwards. A soft, brown, mushy decay may be seen at the base of the petiole sometimes accompanied by white fungal threads. Why are the leaves on my black bamboo turning brown and curling? The roots begin to suffocate in the waterlogged ground, causing the crown of the plant to become more susceptible to rot and the leaves to begin drying along their margins. What cause them to turn white? Heavy mulch against the crown of the plant can increase problems, so pull the mulch back so it doesn't rest against the hosta. What do you think? Damage appears as brown areas between veins. My Hosta's seemed to be doing well, then the edges of all the leaves started turning brown. Hosta leaves. Their thick, luscious, shade-loving leaves are perfect for filling flowerbeds with loads of color and interest. Early symptoms may be blue or green colored spots on the gold part of hosta leaves. The flavor is similar to lettuce and asparagus. Why are the Hosta leaves turning brown? The leaves usually begin to droop or wilt before the problem becomes severe enough to cause browning. delphinii causes petiole rot. What Causes Brown Leaves . Unfortunately, that fabulous foliage will fade if hostas are cared for improperly or are damaged by pests or diseases. They turn yellow and brown, and pull away easily from the plant. Even with the best care, brown leaves are fairly common on many houseplants. A little summertime hosta care will go a long way towards keeping your hosta plants beautiful, vibrant, and full of foliage all season long. Hosta leaf nematodes are microscopic roundworms that live, feed and reproduce inside the tender tissue of hosta leaves. The cool, damp, cloudy spring we had this year is conducive to many fungal infections. Too much hot, direct sunlight can scorch the leaves of some varieties, causing them to turn yellow and brown. I water it every day. Irrigate plants in a manner that keeps water off the leaves. The most frequent cause of brown edges on hosta leaves is drought stress. Typical symptoms begin as yellow discoloration in late June, indicating that the nematodes are feeding. Is it fertilizer burn? Water responsibly and prevent your hosta plants from getting too wet in order to combat Crown Rot. This has never happened before. Some of the leaves also look shredded. The fungus Sclerotium rolfsii var. A soft, brown, mushy decay may be seen at the base of the petiole sometimes accompanied by white fungal threads. It seems like leaves on only half the plant are turning brown and the other half is normal… Read answers: Answer by svengteach Too much water!! aliska12000. Choose varieties that can withstand the sun, such as "Sun Power" hybrids. Ohio State University Extension Fact Sheet: Growing Hostas. Answer below… This entry was posted on Thursday, May 19th, 2011 at 7:23 am and is filed under Hosta FAQ.You can follow any responses to this entry through the RSS 2.0 feed. Further details on potato and tomato blight. This year they are brown and the leaves are curling up. Anthracnose cause brown spots on the leaves that can merge to form irrugular dead areas and occurs more often on hostas in wet or over watered locations. Disinfect all tools used to handle infected hostas with a solution of 1 part bleach to 9 parts water. Some of the leaves on my hosta are turning brown and dying. This results in the leaves turning brown along the edges. By creating an account you agree to the Hunker, University of Vermont Extension: Choosing and Growing Hostas, Missouri Botanical Garden: Hosta Problems. Rest of the plant is erect and healthy green but white seems to be spreading. Most brown leaves are caused by cultural problems, like watering, or normal seasonal changes In rare cases, pests or disease can be the culprit. September 20, 2012, erwin, Leave a comment. Some of the leaves on my hosta are turning brown and dying. Fight Anthracnose by preventing your hosta plants from getting too wet. Previously, she owned her own business, selling handmade items online, wholesale and at crafts fairs. Hosta represents one of the most versatile plants in the perennial garden. I have some verigated Hostas and some regular ones. Hostas are popular garden plants in many parts of the world. © Copyright 2020 Hearst Communications, Inc. I water it every day. Petiole rot: Leaf stems brown at the soil level as leaves turn yellow, then brown, wilt and die. Hostas are a popular snack for a number of insects and animals. They came up looking great and then about 10 - 14 days ago, the leaves started turning brown. I water her every 2.5-3 weeks. If the plant recovers, prune off the damaged leaves to improve the plant's appearance. Read answers: Answer by penny c not enough water. Hostas are dependable landscape plants. Always clean and sterilize tools used on … The leaves can dry and curl although in moist conditions a white fungal growth can occur around the edges. Eventually the entire leaf turns brown and dries up; typically the youngest leaves at the shoot tips are free of infestations, but the older leaves show progressively more severe damage. In fact, they are regular fixtures in the shade garden. Hostas are shade plants, right? My first guesses would be either slugs or deer. what could be the cause of this. Leaves are glossy deep green, broadly heart shaped, prominently veined, to 8 inches long. For Lush and Healthy Hosta … For Yellowing Hosta Leaves. Once identified, overwatered plants can still be rescued and thrive in your landscape. Asked May 27, 2016, 10:10 AM EDT. As the disease progresses the edges of the leaves turn yellow, then brown. Some of the more common fungal problems affecting hostas are anthracnose and botrytis. Scorched hosta leaves develop brown edges and yellow or dark tissue between their largest veins. If you grow them in full sun, you can expect yellow hosta leaves. The whole leave from the ground up is white but it is not dying or dropping off the plant, though it looks a little wilted, and its only on 2-3 leaves … Holes may begin to mar hosta leaves as summer wears on. Anthracnose cause brown spots on the leaves that can merge to form irrugular dead areas and occurs more often on hostas in wet or over watered locations. Voles prefer to create their tunnels under lawns, mulch and areas with loose soil, so try planting your hostas among tree roots or near other underground barriers that will naturally block tunneling animals. You can leave foliage with minor damage on the plant, but remove the most ragged leaves to improve the plant's appearance. Some of the leaves on my hosta are turning brown and dying. Reduce the risk by growing hostas in full to part shade. Overcrowded conditions can also contribute to fungal diseases, so make sure air can circulate around your hosta plants. In the later stages of infection, the leaves turn yellow and gradually fade. We moved to this house and the hosta was beautiful in Spring. Remove leaves which have been eaten by slugs, rabbits, or other garden pests. To be considered a premium hosta, plants must perform superbly in many zones. why are green bean leaves turning brown on the end of leave and curling up. However, the hosta plant is susceptible to some diseases that have varied symptoms, including rusty discolorations on their leaves. My hostas are turning brown! Hostas will wilt and turn brown if their soil gets too dry, so make sure to water them frequently to keep the soil moist. No need to water everyday…especially since hosta is … The cool, damp, cloudy spring we had this year is conducive to many fungal infections. Why is this happening? Disease symptoms on hosta start as marginal yellowing and browning of the lower leaves. Healthy hostas glow in … They are still putting forth blooms. Anything that damages the roots of hostas can cause yellow and brown leaves. Question by walter n: why are my hosta plants turning brown and dying?. Hosta Leaves Turning Yellow from Scorch. Not sure what variety of hosta you have but most varieties prefer shade, filtered light or morning sun with afternoon shade. I trim off the bad leaves and gave a lot of water almost every day. Botrytis on hosta first appears on foliage as water-soaked spots that