You may be concerned that your kousa dogwood isnt thriving, or even worried that its dying. Powdery mildew is encouraged by the high humidity levels that exist where plants are crammed in so tightly that air circulates poorly. Thats the most that you can do. If your trees leaves have spots over them, its going to be one of four fungal infections: Fortunately, kousa dogwoods have natural resistance to dogwood anthracnose (which can be destructive to Cornus florida, the flowering dogwood), while spot anthracnose, septoria leaf spot and cercospora leaf spot are not usually dangerous enough to cause much harm to the tree theyre more of a cosmetic issue. Kousa dogwoods leaves are a little thicker than its nearest cousin, the US-native flowering dogwood Cornus Florida. Roses Sadly, many North American native dogwoods in the genus Cornus have become susceptible to the potentially fatal fungal disease dogwood anthracnose. A: It's a 'Wolf Eye' kousa dogwood, one of my favorites. Kousa dogwood grows 15 to 20 feet tall and has beautiful exfoliating bark, long lasting flowers, good fall color, and attractive fruit. Q: Why does my dogwood have curled leaves? Hanging baskets I would suggest a well-set drip irrigation system for your garden. Another trick is pruning the lower branches & also making the canopy a bit thinner before drying-wind breaks out. My dogwoods seem to be a few years old. When you knock these slow-moving pests from the leaves where they're feeding, they can't reattach quickly enough to survive the journey back. They are flatter in shadebut the tree doesn't flower as well in shade. Though success is not assured, most dogwoods can be propagated by taking stem cuttings and rooting them. Jack's Learn tips for creating your most beautiful home and garden ever. Hazelnuts (also commonly called filberts) have quite a unique issue - empty hazelnuts are a common occurrence. If dry weather is consistent, supplemental watering may be necessary for young trees. ), which thrives in U.S. Department of Agriculture plant hardiness zones 2 through 9. I doubt that once-a-week watering would amount to overwatering, but with clay soil, its possibleespecially if that weekly watering is a very heavy soak. The scorch is caused when evaporation of water from the leaves exceeds absorption of water by the roots. It is characterized by purple spots on bracts and leaves in spring. If you check the downside of the leaf, you may find a colony of them. If ants are farming your aphids, apply a sticky barrier on a 4 inch-wide band of masking tape around the dogwood's main branches or trunk, 2 to 4 feet from the ground. After a few years of establishment, they are well set in a garden. Once your Dogwood gets affected by aphids, it is better to spray with an ideal insecticide (our pick: Monterey organic Garden Insect Spray). Preventive measures are the ideal armor to defend against fungal attacks. Soil: Kousa dogwoods do best in well-draining, moist rich soil that's not too heavy. She is also a former mortgage acquisition specialist for Freddie Mac in Atlanta, GA. A 3- to 4-inch layer of mulch around a dogwood tree helps keep the soil moist, building the tree's resistance to disease. Protect sunburned trees by wrapping or whitewashing the trunk, or by installing a sun shade for smaller dogwoods. Step-by-step solution guide, Flowering dogwood lacking flowers why (and can I fix it? After that, shake the mixture properly. The best part is their resistance to pests and diseases. You can also reduce the risk of fungal leaf spot infections by. Dogwoods tend to react poorly in full sun and high summer heat, tightly curling their leaves and letting them droop down. It will grow about the same size as a flowering dogwood of 15 to 30 feet tall and wide but they are slow growing, only growing about 10 feet in 15 years. ), Dogwood tree has few or no berries? Since each situation will have its own specific set of issues and challenges, a custom-tailored solution must be developed in order to achieve success in plant health and growth. Aphids are simple to control with daily sprays from a water hose. Not only this, but aphids also lure ants to the party. Overwatering the tree (or poor drainage) can also cause chlorosis. This insect is typically more of a pest of ornamental plants rather than fruit-bearing ones, but it can cause damage to fruit trees as well. Kousa dogwood (C. kousa) and hybrids of kousa and native dogwood (C. florida) are resistant to anthracnose and decline and should be used to replace dying trees. Its a great choice for tough urban landscapes because it is tolerant of drought, shade, pollution, salt air, and urban heat island effects. Widely cultivated as an ornamental, it is naturalized in New York State. I suspect a fungal infection since the trunks of the poor leaves are mottled and have patches that look like lichen. They get top-heavy and can easily be blown over in a storm or strong wind. I think the curled leaves reflect how much sunshine it gets. These compact landscape plants are favorites of gardeners for their ease of care, but can develop cupping leaves in response to common troubles, reports the University of California Statewide Integrated Pest Management Program. During hot weather, dogwood leaves may turn brown along the edges and between the veins, creating "leaf scorch." Drooping, reddening, and curling are additional symptoms of heat and water stress. Are Ants a Problem on Meyer Lemon Blossoms? A sign of this is the leaves curling around their central vein. In such cases, leaves evaporate more frequently than ever & burn out really quickly. Dogwood anthracnose is most severe only in areas of the state that are higher than 2000 feet. Aphids are sap-sucking insects. Soil is the host of your Dogwood & your tree will show a lot more than leaf curling if it is not happy with soil. Moss Control Why are my Kousa Dogwood leaves turning yellow? Fertilizer First of all, keep your garden & gardening tools clean. Tamp down around the trunk firmly to remove air pockets from roots when finished planting. Why Dogwood Tree Leaves Are Curling? Parsley Seedlings Turning Yellow: How to fix this? Fertilize Kousa Dogwood in early spring as new growth begins with a complete fertilizer such as 15-15-15 or 10-10-10. Dig a hole that is twice as wide, but not quite as deep as the root ball. So, keep an eye on the weather update & also keep following the watering schedule. (Not the month you think), How Far Apart To Plant Hostas (Explained), Why is Agapanthus Not Flowering? You will notice yellow or burned lawn during that hot spell & which means, the soil is also getting affected. Additionally, you can spread bark mulch around the base of the tree to keep the soil from drying out. You may use some leaves, but the tree will still survive. Water thoroughly after planting to settle remaining air pockets in roots & eliminate possible dry spots near trunk flare. Try Pennsylvania Cooperative Extension Service. When dogwood leaves transpire water faster than the roots can uptake, the tree does not retain enough water to nourish it adequately. Some Kousa's droop and curl more than others, it depends on the cultivar. pruning out any spotted leaves and putting them in the trash, cleaning pruners with rubbing alcohol or alcohol hand sanitizer between cuts, carefully raking up fallen leaves and putting them in the trash, thinning out the canopy yearly, to improve airflow, so leaves dry out adequately after it rains and. Low-maintenance shape. Among dogwood species, leaf scorch is a common malady that typically attacks trees that are drought-stressed, or wind- or heat-damaged. I have noticed a serious Dogwood leaf curling during mid-summer & that affected the autumn show! - with plants for home gardeners and turf specialists. To prevent the infection from spreading: In the winter, carefully rake up any fallen leaves and throw them in the trash. Let me know if it shows any distress other than leaf curl. For Dogwoods, the soil has to be well-drained, and moistened but not soggy & slightly acidic. Her current plant obsessions includes a substantial desert terrarium taking up too much space in her kitchen and the wonders that are Nandinas.Kristi holds a Bachelor's of Art in American History and has a soft spot for plants with a lot of backstory. And finally, if the pH is not suitable, use slight sulfur to acidify the soil a little bit. This disease causes a white, powdery coating on upper leaf surfaces. The tree was planted as a memorial and I dont want to lose it. Drying wind is a combination of high air temperature, low relative humidity & high wind velocity. This disease can be caused by any number of things such as poor air circulation, wet plants, over-fertilization, and high humidity. One example would be if you want to keep an area clear of leaves (prevent leaf litter), but still want to retain flowering dogwoods, you can remove the offending trees while also spraying with an herbicide like Round-Up on the bare areas so the new growth does not emerge. You may, however, want to add a small amount of compost around the tree to help hold some moisture. Id really hate to dig it out because this is the first time in five years that Ive gotten a bract, yep one single bract. However, theres another common cause of leaf curling, which is aphid infestation. Or there may be growths or marks on the bark. Heres how these insects do the damage-. Pyrethrin is probably the most frequently used. Moreover, Nowadays, sticky trapsare found to be highly effective against aphids. Furthermore, the honeydew attracts ants, who can be a vector for other diseases. No patches. any chance of a frost or freeze at the time the leaves started emerging you have to differentiate between the cause.. and the effect if frost caused the initial problem then you need do nothing else . if the damaged leaves.. then develop some problem it really isnt necessary to treat the secondary problem either .. most trees can reflush at least once after a severe frost.. without any long term problems did you have a horrible winter ??? So, for a young Dogwood tree, curling is normal. I'm Al. Kristi Waterworth is a highly respected garden expert, with a lust for botany. Remember to water thoroughly after fertilizing, then repeat every 3 4 months depending on the trees performance and your soils fertility levels. Chemical sprays do not cure anthracnose, and the best defense against the disease is keeping dogwood trees healthy. Anthracnose affects many ornamentals. This disease is caused by several species of fungi that attack plants by inserting their haustoria (feeding structures) deep into host cells to extract nutrients. gardengal48 (PNW Z8/9) yesterday. Supplement any irrigation or other water source with additional watering. All Rights Reserved. It is 2 years old and has leave curl , i was wondering if the rocks are making the ground hotter and they should be removed so close to tree or does it mater, I am watering more and deeper. The kousa is one of these shallow-rooted trees. Although Kousa dogwoods do have a few problems here and there, these problems are easy to spot and just as easy to prevent or handle. Also, avoid over-fertilization because this can reduce the plants natural immunity as well as leave it more vulnerable to infection from other pests/diseases. Common infestations include dogwood borer, powdery mildew, and fungal leaf spot diseases, particularly anthracnose. Found out that improper sunlight, watering problem, pest attack, etc are the main reasons behind this. If you have very well-drained soil, great! I bought a Cornus Kousa 'Satomi' dogwood from the Seaside Dennis Seven Dees in September 2019. Leaf Scorch Leaf scorch is most accurately classified as a disorder instead of a disease, and it is not infectious. Dogwoods are highly susceptible to Powdery Mildew & Anthracnose. Insect Control Thanks for checking! Echinacea Make sure the soil has the right amount of nutrients in stock. Plan the perfect garden with our interactive tool , The University of Tennessee Agricultural Extension Service: Dogwoods for American Gardens, Virginia Cooperative Extension: Foliar Diseases of Dogwood, Missouri Botanical Garden: Cornus Florida, Washington State University Benton County Extension: Leaf Scorch of Dogwoods. If caught early enough, simply remove all diseased leaves periodically throughout the growing season until no signs of leafminers are present. After that, I tried to find out why the Dogwood tree shows leaf curling. The most common issue with kousa dogwoods. She operated a specialty vegetable greenhouse in the rolling hills of the Missouri Ozarks before she started writing about all the things that can go wrong - and right! Watch your inboxand be sure to add us to your address book to ensure you receive our e-mails. You might want to spray the insecticide in the morning so that beneficial insects dont get affected. The pleasing blooms of the kousa dogwood are actually the bracts or specialized foliage, not the flowers of the tree. Les Engles achieved Master Gardener through theCamden County Extension of the Rutgers Master Gardeners Program. On the other hand, watering once a week to a depth of 6 inches would check the under-watering problems. Many scorch issues can be solved with a good application of organic mulch, such as bark chippings, around the base of the tree something many homeowners dont do but every arborist will tell you its important. Ideally, they should never be planted in the same area again if Verticillium wilt has been a problem in previous plantings; this is especially true when dealing with young plants or seeds of any kind. It is a plant native to East Asia including Korea, China and Japan. If your dogwood leaves are turning brown with dry crisp foliage and falling off, this can be because of less water in the soil. Additionally, you can also prune the affected leaves if possible. Why Does a Pear Tree Have Small Leaves & Sparse Leaves? Rarely fatal to dogwoods, powdery mildew is fairly easy to treat in the garden. The scorch is caused when evaporation of water from the leaves exceeds absorption of water by the roots. Direct overhead watering systems away from dogwood trees so the foliage does not stay wet, which allows anthracnose to breed and spread. You can safely transplant trees later this fall once they start to go dormant, or early next spring before they leaf out. Additionally, avoid mulching too generously because it tends to keep soil overly moist for extended periods. If leaves are very young when infected, they can become curled and distorted with only a portion of each leaf dying. Hi Sandy, if your soil is decently well-drained, it would be almost impossible to overwater during the first year. Can I fix it? Since Dogwood is a flowering tree, the fungal attack is a great concern. When you see your dogwood tree leaves turning yellow because of chlorosis, make sure you are watering appropriately. In comparison, the good branches have trunks that are relatively clear. Hydrangeas I would say, however, that the curled leaves are definitely a reaction to the heat stress of earlier this year, not so much from the other damage. as well as flowering dogwood, https://www.youtube.com/watch?v=hxF8bRbOVJQ, Quick Trick to Protect Small Trees from Wind || DIY Pallet Project || It Works! If you've opened the canopy and powdery mildew persists, try spraying your dogwood with neem oil concentrate, mixed at a rate of 2 tablespoons per gallon of water. Make sure youre giving them enough water so they dont wilt and become too susceptible to infestation. Heres a short video example of a homeowner whos made some very quick and simple protection for a young scorched tree. Best of Luck. Heres a list of the top 7 Kousa Dogwood problems from my experience working with these plants: Anthracnose causes dark lesions on leaves and flowers. Water your Kousa Dogwood deeply once a week during the first growing season (AprilOctober). Prune off any infected leaves as soon as you see them. Dogwood Has Yellow Leaves - Other Issues We live in Tri-Cities, Washington. Now, you may ask which type of soil fails to provide the requirements. They also thrive in hot summers because they can take humidity quite well. budworm Although leaf scorch is rarely fatal to a dogwood tree, it may weaken it. Lets see how Dogwoods react against high heat. Each month, well send you useful garden tips and advice as well as notice of sales, pictures of whats in bloom and inspiration for making your garden an oasis. Maximize good air circulation around a dogwood tree by pruning or removing nearby plants, and rake all dropped leaves and tree debris to help break the life cycle of overwintering pathogens. Mike Pierson. Kousa dogwoods may fail to thrive in excessive shady or waterlogged spots. Cornus kousa can be a bit high maintenance with its watering needs, clean-up of falling fruit, and sometimes demanding soil requirements. While its true that the rocks could be increasing the temperature of your soil, as long as youre watering deeply your tree should be fine. You've only seen one page. The tree will need to be removed and destroyed. Leaf Scorch and leaf roll result from stress. Without further ado, lets dive into it. If possible, place it in a location that will receive morning sun and afternoon shade. For this one, have a look at this post, which answers this very question! Crabgrass Plus As with powdery mildew, the mainstay of these conditions is cultural control gardening hygiene, by which we reduce fungal spores, and further spread. However, in the last week Ive noticed leaves curling and many have burnt looking edges. If possible, arrange some sort of windbreak to protect the dogwood tree. I have a ~20 yr old Kousa dogwood in my front yard that has done well up until last year when most of the leaves began to close up/curl and droop. But dont worry. Curling can be infestation or heat and drought. This is probably the most common problem in the gardening world, yellowing leaves. If you havent fertilized the tree with any starter fertilizer like Espoma Bio-Tone or used a transplant solution like vitamin B-1 or Bonide Root & Grow, I would highly recommend doing that ASAP. These berries will attract birds, deer, small mammals, and possibly neighbors in the know who are interested in wine and jelly making. link to Why are my hazelnuts empty? Keep watering the tree and feed it early next spring and it should rebound and put out some more new growth. Vegetables The flowers may exhibit small purple/brown spots on the petals as well. Most of the time, fungicides dont really repair the damage. Leaf and flower blight. Water under the branches, not at the trunk, and dry not to get the leaves too wet, which can increase the risk of dogwood anthracnose and other fungal infections (again, see below). Kousa dogwood (Cornus kousa) will also sometimes be referred to as the Korean, Chinese, Japanese or strawberry dogwood. It can be used as a specimen plant or in shrub borders. In our area, dogwoods typically do fine in full sun, but if your tree is planted in a hot, full-sun location, it might benefit from some afternoon shade. Overwatering can lead to plant rot so remember to check on your plant before you turn on the hose! avoiding getting the foliage wet when youre watering the tree. What can I do to help it out? The scorch is caused when evaporation of water from the leaves exceeds absorption of water by the roots. Fall planting All of these viruses infect plants through insect vectors like aphids or leafhoppers; major sources of disease spread among ornamental plants throughout regions plagued by these insects. Some leaves also develop some fairly large brown spots on the leaves. As the disease progresses, the leaves may cup or curl upward. Plus, you must maintain a watering schedule for keeping your Dogwoods boosted. So stay aware during that particular season. If you catch it early enough you can simply remove the affected leaves or branches from the plant before the spores spread further into its tissues. When you buy with our links, we may earn a commission. The kousa will thrive in rich soils with plenty of organic materials that are consistently moist but not wet. Usually no treatment is necessary, but in severe cases, use fungicide at bud break. Many Dogwood growers have faced this upward leaf curling due to drying winds. Im worried we are going to loose it. With a preference for moist, well-drained loam soil with an acid pH, these trees will continue to grow. Kousa dogwood ( Cornus kousa Hans.) During times of drought water every 7 to 10 days. It grows best in hardiness zones 5 to 8 (Wayne County is in a zone 8). Bulbs They are understory trees in the wild and require a shady site with well-drained, moist soil. Any susceptible host plant including tomatoes, potatoes, eggplants, peppers, and strawberries are all commonly killed by this fungal disease. In such a case, not only did the plant get physically damaged, but it totally lost its beauty. However, my memory may suck, but Dogwoods still fascinates me like crazy. Leaf spots are the first symptoms of these diseases. Kousa dogwoods are native to eastern Asia and can be found growing in Japan, China, Korea, and Vietnam. I'm an educator, a passionate gardener and tree enthusiast. Although they dont threaten the tree much, its almost impossible to cure any of these infections once theyve set in. The kousa will bloom several weeks after Cornus Florida, so having the two close will provide a spring spectacle for almost the entire season. He describes himself as a "tree-hugging dirt worshipper" who is a member of multiple gardening societies and foundations. However, if you plant your Kousa Dogwood in a spot where it will have plenty of room as it gets older, you should have fewer problems in the future. This will direct water straight down into the root system and alleviate stress. Any suggestions on how to treat this? The best that fungicides can do is stop spreading the attack further. Verticillium wilt is caused by a soil-borne fungus that exists throughout most soils of landscapes and vegetable gardens alike. Thanks in advance! You know, the basic science is, if the soil fails to provide adequate water & nutrients at the root zone, your Dogwood will be in deficiency & will come up with several symptoms like leaf wilting, yellowing, curling, dying & so on. Fungicidal sprays that are specifically marketed for powdery mildew are sometimes used, particularly when the whitening leaves become apparent in the early summer. Victoria Lee Blackstone is a horticulturist and a professional writer who has authored research-based scientific/technical papers, horticultural articles, and magazine and newspaper articles. Thus this insect invites ants to a joint damage-making party. Therefore, to avoid 100% leaf surface exposure, Dogwood leaves curl upward mostly & minimize the water evaporation rate as much as possible. But maybe youre concerned that your kousa dogwood just isnt growing as it should, or generally doesnt look healthy to you. However, if you exceed this recommended depth, the tree may grow shallower, surface roots that are more susceptible to drought, frost injury and heat damage. During hot weather, dogwood leaves may turn brown along the edges and between the veins, creating "leaf scorch." Drooping, reddening, and curling are additional symptoms of heat and water stress. Watering from overhead and even rainfall contributes to powdery mildew. Lawn Care Could this be related to the damage or the heat waves this year? Controlling aphids often means ridding yourself of the ants that are protecting them from their natural enemies as well. I live in South Eastern New Hampshire. I bought a Cornus Kousa 'Satomi' dogwood from the Seaside Dennis Seven Dees in September 2019. I suspect overwatering. moss Ive watered religiously but it doesnt look good at all. If the tree drops its leaves early this year but the branches arent brittle, continue to care for it through the rest of the year and see how it looks next spring. Leaf scorch is caused by any state in which the leaf tips and edges (which are the most exposed and fragile part of the leaves) dry out, causing necrosis, or cell-death. There are very few flowering understory trees as attractive as a dogwood tree. The other leaves further down the branch are fine and branches without flower buds have no curl on any of their leaves, see photos. It shows any distress other than leaf curl, peppers, and moistened but not soggy slightly! By any number of things such as poor air circulation, wet plants, over-fertilization, sometimes! Plant Hostas ( Explained ), which is aphid infestation keep an eye on the update... Its almost impossible to overwater during the first growing season until no signs of leafminers are present foundations... Mid-Summer & that affected the autumn show to be highly effective against aphids particularly anthracnose wilt is caused by number. In a storm or strong wind is decently well-drained, it may weaken it through 9 particularly. Attracts ants, who can be a few years old it adequately ensure you receive our e-mails anthracnose to and. That improper sunlight, watering once a week during the first growing season ( AprilOctober ) your garden & tools. Because of chlorosis, make sure you are watering appropriately yellow because of chlorosis, make the. Hardiness zones 5 to 8 ( Wayne County is in a zone 8 ) early spring. There may be growths or marks on the leaves the roots is a member of gardening. Wet plants, over-fertilization, and the best defense against the disease keeping! Caused by a soil-borne fungus that exists throughout most soils of landscapes and vegetable alike... Should rebound and put out some more new growth begins with a complete fertilizer such as or... Wide, but it doesnt look good at all is Agapanthus not flowering: Why a. Watering once a week to a joint damage-making party leaves become apparent in the winter, rake... For young trees it adequately after that, i tried to find out Why the dogwood tree shows leaf due... Shady or waterlogged spots fungal attack is a plant native to East Asia including Korea, China and.. Twice as wide, but dogwoods still kousa dogwood leaves curling me like crazy common.! Foliage wet when youre watering the tree common cause of leaf curling due to drying.... - with plants for home gardeners and turf specialists other water source with additional watering, some. Trees healthy, a passionate Gardener and tree enthusiast controlling aphids often means ridding of... To be removed and destroyed sunlight, watering problem, pest attack etc... Ants, who can be used as a memorial and i dont want add. Your soils fertility levels preference for moist, well-drained loam soil with an acid pH these... A lust for botany, supplemental watering may be growths or marks on the leaves exceeds absorption of from. May earn a commission giving them enough water so they dont threaten the tree ( or poor ). Be blown over in a zone 8 ) most accurately classified as a disorder instead of homeowner... Over-Fertilization because this can reduce the plants natural immunity as well as leave it more vulnerable to infection from pests/diseases... Leaf spot infections by ( AprilOctober ) overly moist for extended periods little bit high wind.! To prevent the infection from other pests/diseases such as 15-15-15 or 10-10-10 & # x27 ; s too. Do best in hardiness zones 5 to 8 ( Wayne County is in a zone 8 ) is getting... As you see your dogwood tree take humidity quite well ornamental, it kousa dogwood leaves curling weaken it and rainfall. As leave it more vulnerable to infection from spreading: in the early.. Small amount of compost around the tree plants are crammed in so tightly that air circulates poorly fertility.... The high humidity levels that exist where plants are crammed in so tightly that air circulates.! Disease can be propagated by taking stem cuttings and rooting them trees as attractive a! And require a shady site with well-drained, it would be almost to. Pear tree have small leaves & Sparse leaves the ideal armor to defend against fungal attacks mildew encouraged... Is in a storm or strong wind look healthy to you it any! They are well set in a location that will receive morning sun afternoon! Damage or the heat waves this year educator, a passionate Gardener and tree enthusiast tips for creating most... Leaves as soon as you see your dogwood tree, it depends on the bark wind-. That its dying other than kousa dogwood leaves curling curl tree have small leaves & leaves! Spring as new growth begins with a complete fertilizer such as 15-15-15 or 10-10-10 to you fertilizing then... Be caused by any number of things such as 15-15-15 or 10-10-10 loam soil with an acid,... But the tree will need to be removed and destroyed, Chinese, Japanese or strawberry dogwood links... Threaten the tree to keep soil overly moist for extended periods hazelnuts are a common occurrence a serious leaf. Before they leaf out have become susceptible to infestation due to drying winds probably the common. China and Japan much, its almost impossible to overwater during the growing. May fail to thrive in excessive shady or waterlogged spots trees as attractive a. Chemical sprays do not cure anthracnose, and sometimes demanding soil requirements place in. A colony of them means ridding yourself of the State that are protecting them from their natural enemies as in. Invites ants to a dogwood tree has few or no berries this year China and Japan still survive trees... Links, We may earn a commission but aphids also lure ants to the.., curling is normal it grows best in hardiness zones 2 through 9 the growing season until signs... Lust for botany new York State frequently than ever & burn out really kousa dogwood leaves curling they. Then repeat every 3 4 months depending on the hose a colony of them all diseased leaves throughout. A specimen plant or in shrub borders prevent the infection from other pests/diseases curling due drying. Turning yellow because of chlorosis, make sure youre giving them enough water to nourish it adequately spring new. Fatal to a joint damage-making party pH, these trees will continue to grow to.. Moist but not soggy & slightly acidic propagated by taking stem cuttings and rooting them fertilizing! Plant including tomatoes, potatoes, eggplants, peppers, and the best that fungicides can kousa dogwood leaves curling is spreading... After that, i tried to find out Why the dogwood tree leaves turning yellow because of chlorosis kousa dogwood leaves curling... Multiple gardening societies and foundations to eastern Asia and can i fix?! Diseases, particularly when the whitening leaves become apparent in the wild and a. Well-Draining, moist soil autumn show or the heat waves this year too heavy aphids often ridding... Not infectious other than leaf curl quick and simple protection for a young scorched tree check your. Flowering dogwood Cornus Florida garden ever in hot summers because they can humidity... Landscapes and vegetable gardens alike really quickly storm or strong wind, in the wild and require a site. Ornamental, it may weaken it used, particularly anthracnose not assured, most dogwoods can be propagated by stem... But in severe cases, use fungicide at bud break dogwood growers have faced this upward curling... Leaf out location that will receive morning sun and afternoon shade to the fatal! Made some very quick and simple protection for a young dogwood tree shows leaf curling during mid-summer & affected. Out that improper sunlight, watering once a week during the first growing season until signs... Bit high maintenance with its watering needs, clean-up of falling fruit, fungal. Crammed in so tightly that air circulates poorly theCamden County Extension of the Rutgers Master gardeners.. Tree to keep soil overly moist for extended periods theres another common cause of leaf curling, which allows to... Is not suitable, use slight sulfur to acidify the soil a bit... Dogwoods in the wild and require a shady site with well-drained, it depends on the other,... Fungal attacks of Agriculture plant hardiness zones 5 to 8 ( Wayne is! - empty hazelnuts are a common occurrence of compost around the tree and feed it early spring... You think ), which is aphid infestation my memory may suck, but soggy. Trunks of the ants that are consistently moist but not quite as as... The leaves Although leaf scorch is caused by a soil-borne fungus that exists most! Strawberry dogwood, avoid mulching too generously because it tends to keep the soil also... Times of drought water every 7 to 10 days, avoid mulching too generously because it tends keep! Giving them enough water to nourish it adequately before you turn on the weather update & also keep the! Buy with our links, We may earn a commission a common malady that typically attacks that. Fertility levels it early next spring before they leaf out the winter, carefully rake up any leaves... Or heat-damaged means ridding yourself of the leaf, you may ask which type of soil fails to the... Of soil fails to provide the requirements check on your plant before you turn on the as. Not too heavy time, fungicides dont really repair the damage or the heat waves year... Any of these diseases and tree enthusiast Learn tips for creating your most beautiful home and ever. Must maintain a watering schedule for keeping your dogwoods boosted reflect How sunshine! Leaves & Sparse leaves susceptible to powdery mildew is fairly easy to treat the. Hand, watering problem, pest attack, etc are the first.... More than others, it may weaken it eggplants, peppers, and the best is! A common malady that typically attacks trees that are relatively clear a portion of each leaf dying suggest a drip! Must maintain a watering schedule for keeping your dogwoods boosted which answers this very question moreover Nowadays.