Spray it with a fungicide everyone couple of weeks. Thanks for getting in touch and for reading our blog post! Usually that means a deep watering (20-30 mins at least) once a week in the warm months if its been fairly dry, or if the soil feels dry (push down an inch into the soil if it doesnt stick to your finger, its too dry). Prune any dead branches and thin out large branching at the base of the tree to improve air circulation & make sure the center is open for good light penetration. Kousa dogwoods thrive in areas of the garden that offer full sun to partial shade. I would recommend spraying with a fungicide labeled to control powdery mildewtwo of our favorites are BioAdvanced Insect, Disease & Mite Control and Bonide Bon-Neem. Usually no treatment is necessary, but in severe cases, use fungicide at bud break. Features unique, dark pink to fuchsia blooms that span 4" to 5" (color is light pink for the first 1-2 years as the tree becomes well-established; best color results from placement in fertile soil and full sun) Blooms late May to early June. LEGAL DISCLAIMER: PlantGardener.com is monetized through the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Once I made a painting of a Dogwood tree. Rhododendrons I water once a week but weve recently had heavy rain about every week for several weeks. The crown eventually grows wider than it is tall on many specimens. These berries will attract birds, deer, small mammals, and possibly neighbors in the know who are interested in wine and jelly making. Overwatering the tree (or poor drainage) can also cause chlorosis. Environmental disorders and infectious diseases may cause dogwoods leaves to cup and curl, and can threaten the trees health wherever it grows. So todays article is all about this. Use Vitamin B-1 (available inexpensively at Vander Giessens) twice a month through the summer to reduce stress and promote vigorous rooting. Lets see how Dogwoods react against high heat. This species thrives in USDA zones 5-8 and seems to do well at zone extremes, both cold and warm, rather than at temperate areas. Among dogwood species, leaf scorch is a common malady that typically attacks trees that are drought-stressed, or wind- or heat-damaged. 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. The genus name, Cornus, is Latin, from the word, cornu, which means "horn." This . 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. Though success is not assured, most dogwoods can be propagated by taking stem cuttings and rooting them. Sadly, many North American native dogwoods in the genus Cornus have become susceptible to the potentially fatal fungal disease dogwood anthracnose. Learn tips for creating your most beautiful home and garden ever. Direct overhead watering systems away from dogwood trees so the foliage does not stay wet, which allows anthracnose to breed and spread. This will keep it from self-seeding and also help promote fresh growth which helps keep pests away such as aphids and borers. Plus, leaf curling wont be irritating you anymore because now you know the reasons why the Dogwood tree shows leaf curling. If you dont want to compost them away from your Kousa Dogwood plants, then at least move them beyond the property line where the impact of these diseases will be minimized. There is plenty of air circulation. winter. These insects feed the leaf cell sap, generate spots around the feeding site & cause downward leaf curling. Once your Dogwood gets affected by aphids, it is better to spray with an ideal insecticide (our pick: Monterey organic Garden Insect Spray). If your dogwood leaves are turning brown with dry crisp foliage and falling off, this can be because of less water in the soil. Afternoon shade at the very least is preferred. So stay aware during that particular season. 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. Trees with shallow root systems benefit from a few inches of mulch to moderate the soil temperature. Aphids often show up with ants that protect them in exchange for the exudates (honeydew) that they secrete. The kousa is one of these shallow-rooted trees. Kousa Dogwood can fall prey to a few common pests such as borers and aphids. Pruning, Perennials, and a Recipe for Mildew Stains. Thanks for checking with us! Interestingly, aphids create honeydew while sucking & which grabs the attention of the ants. Usually, though, dogwoods will adapt very well to any location after a few years, so dont worry too much if your new tree looks stressed. 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. Thats the most that you can do. Daily 6-8 hours of masked sunlight will not cause leaf curling, burning, browning or yellowing. Sign up today and receive a coupon for $5.00 off your next purchase of $50 or more! Curling, deformed leaves are another sign of powdery mildew. The lesions start as small purple/brown spots before expanding into large dead areas where leaf edges turn brown and crispy. So, make sure you plant your Dogwood in a partially shaded place. I think the curled leaves reflect how much sunshine it gets. Les Engles achieved Master Gardener through theCamden County Extension of the Rutgers Master Gardeners Program. Make sure the soil has the right amount of nutrients in stock. Dogwood Anthracnose (also called Discula Anthracnose): This is a relatively new disease of dogwood in South Carolina, and it is caused by the fungus Discula destructiva. Leaf curl on dogwoods is essentially a protective reaction to stress the tree feels. Since Dogwood is a tree, I recommend using a commercial insecticide but, if you want to use homemade formula, heres a recipe for you-. This disease can be caused by any number of things such as poor air circulation, wet plants, over-fertilization, and high humidity. Few flowering trees are as endearing and recognizable as the dogwood (Cornus spp. I know a lot about kousa dogwoods (Im a bit of an enthusiast, I admit it), so Im here to help ordinary folk work out whats going on and what they can do about it. So the leaves may not simply be curled up, but withered, distorted and sticky. are known throughout U.S. Department of Agriculture plant hardiness zones 2 through 9, depending on species. There are a number of specific problems that kousa dogwoods get, which are outlined below. Tolerates both drought and heat. 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. Its underwatered which might show itself in leaf-curling see below. But if the curling shows up after 5 years or even more, then it is disturbing. So, stay aware during that part of the year. And finally, if the pH is not suitable, use slight sulfur to acidify the soil a little bit. Can I fix it? If possible, place it in a location that will receive morning sun and afternoon shade. They get top-heavy and can easily be blown over in a storm or strong wind. It is hard to find a gardener who hasnt gotten confused about watering at least once. Gardencue.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The soil is well drained as we are on chalk ? Somebody please help - tree death messing up my whole plan!! Clean your pruners with rubbing alcohol or alcoholic hand sanitizer to sterilize them between cuts. The leaves first show small, silver-gray spots before turning completely yellow/brown during the late stages of infection. You can safely transplant trees later this fall once they start to go dormant, or early next spring before they leaf out. This will direct water straight down into the root system and alleviate stress. Plus, leaf curling wont be irritating you anymore because now you know the reasons why the. Why are my Kousa Dogwood leaves turning yellow? Rather than keep its leaves flat and susceptible to burning in the summer sun, dogwoods curl their leaves to minimize leaf surface area and thus minimize any damage they might receive. 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. After that, I tried to find out why the Dogwood tree shows leaf curling. I'm an educator, a passionate gardener and tree enthusiast. The berm doesnt have to be high; even an inch or two above the existing grade will be helpful. Thank you! So, once you notice such symptoms, immediately treat your Dogwood tree with an effective Fungicide, But dont worry. Q: Why does my dogwood have curled leaves? We have had our Japanese Dogwood for about a year. Generally, we dont feel too comfortable when a spell of drying wind passes through our locality, let alone our trees. Daily 6-8 hours of masked sunlight will not cause, First of all, check whether you are over or under-watering by using a moisture meter (, I would suggest a well-set drip irrigation system. Leaves are dropping and looks like a white powder on some leaves. Anything that can provide shade can be helpful for the tree. Pages on this site may include affiliate links to Amazon and its affiliate sites on which the owner of this website will make a referral commission. Borers look like small moths flying around your tree, if you see these pick up some diatomaceous earth (available at most hardware stores) and dust the lower trunk of the plant with it. Kousa dogwood ( Cornus kousa Hans.) First of all, you have to find out the problem. But it isnt perfect you may have noticed that it isnt growing well, or that the leaves are discolored, curled up or spotted. Propagating 'Wolf Eyes' Dogwood. Even a well-watered plant can get leaf scorch, though its less likely. The scorch is caused when evaporation of water from the leaves exceeds absorption of water by the roots. This will help reduce the chances of damage to the rootball to temperature fluctuations below/above the ideal range. Ive watered religiously but it doesnt look good at all. This is actually one of its attractive characteristics and makes the kousa dogwood a particularly interesting sight in winter. If dry weather is consistent, supplemental watering may be necessary for young trees. Protect sunburned trees by wrapping or whitewashing the trunk, or by installing a sun shade for smaller dogwoods. fall So, a curled leaf can either mean it is already done evaporating & now burning out or can mean that it is decreasing the leaf surface to reduce the evaporation rate. The tree will need to be removed and destroyed. Found out that improper sunlight, watering problem, pest attack, etc are the main reasons behind this. Let me tell you what happens in these situations. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. Now, you may ask which type of soil fails to provide the requirements. The quickest method is to blast it with cold water to try to knock off as many aphids as possible, but the problem here is that keeping the kousa dogwoods leaves wet increases the risk that they develop anthracnose infection (particularly in a tree thats already weakened by aphids). lime You can control aphid infestation fairly easily if your trees small enough to get at. I use no chemicals in my yard and feed it only with compost and peat moss. Kousa dogwood (Cornus kousa) will also sometimes be referred to as the Korean, Chinese, Japanese or strawberry dogwood. In such a case, not only did the plant get physically damaged, but it totally lost its beauty. ), which thrives in U.S. Department of Agriculture plant hardiness zones 2 through 9. Measure the soil pH. You might want to take some pictures of the tree into a local garden center to ask their opinion, but one recommendation we always make when planting in clay soils is to plant your tree high, sort of on its own mini-berm, so that in wet conditions at least a portion of the rootball will be up out of the wet soil. Read more in about how to water your kousa dogwood tree in this article. Maybe some fencings needed. So, for a young Dogwood tree, curling is normal. He describes himself as a "tree-hugging dirt worshipper" who is a member of multiple gardening societies and foundations. First of all, check whether you are over or under-watering by using a moisture meter (Our pick: Atree Soil Soil Tester Kits with Moisture, Light, and PH Test for Garden). 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. This is probably the most common problem in the gardening world, yellowing leaves. Kousa dogwoods dry out easily because they have a shallow root system. Sever the remaining leaves in half, but leave them on the cutting. Aphids are simple to control with daily sprays from a water hose. The kousa dogwoods only real drawback is that it is not native, but this is offset by knowing that it does still play a part in the native ecosystem by hosting the spring azure, a North American native butterfly. Heuchera Boy oh boy was he excited to see that. I planted it last fall in part sun/shade with open sky above it. Is there a disease or insect problem I should be worried about? These small, variably colored pests huddle together on the undersides of leaves, sucking the juices directly out of their tender tissues, says the University of Minnesota Extension. The common problems that plague the Kousa Dogwood (Cornus kousa) are discussed above; however, it is important to note that there is no single method of solving all of these problems. Sunlight is something that trees cant ignore but, too much of it is also not appreciated. From your photos it appears your dogwood has Leaf Scorch. Thanks for checking! Well, it varies from plant to plant. . 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. 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. It suppresses grass (which competes with the tree for moisture, and in dry periods will certainly win this battle. I bought a Cornus Kousa 'Satomi' dogwood from the Seaside Dennis Seven Dees in September 2019. They also thrive in hot summers because they can take humidity quite well. This sucking action damages plant tissues and causes wilting, slow growth, yellowing of foliage, low yields, stunted fruit production, curling leaves, curled petioles that also turn black/brown at lower nodes of stems causing them to look burned or scorched. Water thoroughly after planting to settle remaining air pockets in roots & eliminate possible dry spots near trunk flare. The surrounding soil has a high clay content but I made the hole larger than necessary and after planting filled in with 50/50 mix of good loam and original soil. Powdery mildew is encouraged by the high humidity levels that exist where plants are crammed in so tightly that air circulates poorly. 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. Some Kousa's droop and curl more than others, it depends on the cultivar. Widely cultivated as an ornamental, it is naturalized in New York State. Step-by-step solution guide, Flowering dogwood lacking flowers why (and can I fix it? Are Ants a Problem on Meyer Lemon Blossoms? I have VERY sandy soil here in Northwest Indiana where my Kousa Dogwood is planted in full sun. Plus, you must maintain a watering schedule for keeping your Dogwoods boosted. During times of drought water every 7 to 10 days. Turn a garden hose on to a trickle and let it run at the base of the tree twice a week for half an hour during hot weather. I'm Al. Water: Average water needs, but will require irrigation during a drought, especially if planted in full sun. Dogwood trees adapt quite well in any location. Soil: Kousa dogwoods do best in well-draining, moist rich soil that's not too heavy. Dip the snipped end of the cutting in rooting . 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. For Dogwoods, the soil has to be well-drained, and moistened but not soggy & slightly acidic. Thank you! 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. As the site owner, I earn commissions for referring traffic and business to these companies, at no additional cost to you. They are understory trees in the wild and require a shady site with well-drained, moist soil. In that way, along with your Dogwoods, other veggies, fruits, and flowers will get benefitted. Youll know there are leafminers around when you see tiny green worms about the size of an apple seed that is sitting on your Kousa dogwood leaves early in the spring before twigs have fully hardened off. I just bought and planted in my yard a flowering dogwood two months ago and the leaves are curling up and turning brown on the edges. So stay aware during that particular season. If your dogwoods have a white substance on the leaves and buds, powdery mildew may be the culprit. Synonyms are Benthamia kousa and Cynoxylon kousa. The fungus can survive for many years, so removing infected plants wont stop this disease from appearing again on your new Kousa Dogwoods planted within contaminated areas. Parsley Seedlings Turning Yellow: How to fix this? However, my memory may suck, but Dogwoods still fascinates me like crazy. Common infestations include dogwood borer, powdery mildew, and fungal leaf spot diseases, particularly anthracnose. You will notice yellow or burned lawn during that hot spell & which means, the soil is also getting affected. Without further ado, lets dive into it. Make sure the soil has the right amount of nutrients in stock. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. There are 2 main reasons for this phenomenon, overwatering, or a lack of nutrients. - with plants for home gardeners and turf specialists. Hellebores For that, you may need the, Once your Dogwood gets affected by aphids, it is better to spray with an ideal insecticide (, Using insecticide beforehand is the best thing that you can do. If you notice the leaves wilting, even though it is still early in the day or not as hot as normal for that time of year, make sure it has plenty of water. A: It's a 'Wolf Eye' kousa dogwood, one of my favorites. Remember, while I like to get hands-on with trees and plants, you're responsible for your own decisions, and should always consult with a local expert. The Kousa dogwood is a handsome, small- to medium-sized tree reaching a mature height of 30 feet. Any suggestions on how to treat this? Im worried we are going to loose it. There are very few flowering understory trees as attractive as a dogwood tree. No patches. Chinese dogwood (C. kousa): some cultivars, Flowering dogwood (C. florida): many cultivars, . The best way to prevent aphids is to maintain healthy plants, especially during the fall when stressed plants are more vulnerable than ever before. I have a background in science and education, but love to get hands-on experience when it comes to nature, making my own gardening mistakes and learning from them! On the other hand, under-watering causes less water uptake, dried soil, and affects root growth & nutrient uptake. 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. I even like the vibrant autumn leaves more than the charming spring flowers. Give the tree the right amount of water. Scorched leaves are the most common cause of early leaf drop in kousa dogwoods. But maybe youre concerned that your kousa dogwood just isnt growing as it should, or generally doesnt look healthy to you. Fall planting curling leaves on Kousa dogwood, fungal infection? avoiding getting the foliage wet when youre watering the tree. Since Dogwood is a flowering tree, the fungal attack is a great concern. Could this be related to the damage or the heat waves this year? Few flowering trees are as endearing and recognizable as the dogwood (Cornus spp. The leaves are a quarter the size they should be; they look like thin strips of leaf instead of emerging into an entire leaf? If you have a dogwood showing significant leaf curl throughout the summer 5 years or longer beyond when you planted it, keep these tips in mind: These tips are useful for younger dogwoods as welldont feel like you have to wait 5 years to start implementing them! After a few years of establishment, they are well set in a garden. For Dogwoods, the soil has to be well-drained, and moistened but not soggy & slightly acidic. Roses They are not dryit looks like a willow? My dogwood bush is about three years old and hasn't flowered yet. It is small to medium in size and has a shallow root system that allows it to fit into almost any setting and be planted near homes and under utility lines. Can I fix it? I have planted a Cornus Kousa Chinensis 3weeks ago in our front garden it gets sun all day in the summer even though the house faces North. A sign of this is the leaves curling around their central vein. Plant Gardener is supported by readers. Measure the soil pH & if the range is between 5.5-6.8, then it is okay. Kousa dogwoods seem to have some natural resistance to it (compared with flowering dogwood) so its unlikely to be of major consequence for your tree. The best way to prevent and manage these viruses is to remove any diseased plant material in the fall. We live in Tri-Cities, Washington. Leaf and flower blight. Dogwood anthracnose is most severe only in areas of the state that are higher than 2000 feet. 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. Heres how these insects do the damage-. Water your Kousa Dogwood deeply once a week during the first growing season (April-October). If the leaves are turning brown, it is likely either improper siting, improper cultural care, or a fungal issue. Watch your inboxand be sure to add us to your address book to ensure you receive our e-mails. The fall foliage is also beautiful, turning a striking maroon or reddish-purple in late autumn. Dogwood borer is unlikely to cause lethal illness in kousa dogwoods, but it can be controlled with insecticide, which is applied to the trunk over the summer months. jaansu 13 years ago 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. Thank you! Kousa dogwoods again seem to have some resistance to this infestation, but theyre more at risk if the bark becomes damaged. Thanks for reading! fruit trees Thanks in advance! After studying botany and microbiology at Clemson University, Blackstone was hired as a University of Georgia Master Gardener Coordinator. Powdery mildew is a descriptive catchall term for numerous fungal pathogens that leave similar symptoms on plants. I would really appreciate some tips its a shame I cant add a photo? During times of drought water every 7 to 10 days. Hi Sandy, if your soil is decently well-drained, it would be almost impossible to overwater during the first year. If possible, place it in a location that will receive morning sun and afternoon shade. A Dogwood tree needs nearly five years to establish its roots properly. In drought, they undergo leaf curling, also caused by aphids, and leaf scorch. The tree didnt bloom all at once and the leaves are now curled. 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. Therefore, to avoid 100% leaf surface exposure, Dogwood leaves curl upward mostly & minimize the water evaporation rate as much as possible. The leaves have all turned down and there is whitening at the base of the leaf join? But its likely only to work if you can spray the entire tree if your kousa dogwoods more than 10 or 15 feet tall, you may need to tolerate a bit of aphid infestation. Stay aware during that part of the Rutgers Master Gardeners Program, turning striking... Fix this circulation, wet plants, over-fertilization, and moistened but not &! 5 years or even more, then it is likely either improper,! I think the curled leaves now curled educator, a passionate Gardener and tree enthusiast no additional cost you., my memory may suck, but dogwoods still fascinates me like crazy wet, which allows anthracnose to and! Edges turn brown and crispy dogwood anthracnose is most severe only in areas of the.. Tips its a shame i cant add a photo planted in full sun American native dogwoods in wild... Department of Agriculture plant hardiness zones 2 through 9, depending on species promote fresh which! A week but weve recently had heavy rain about every week for weeks... Why the dogwood ( C. kousa ): many cultivars, a Gardener hasnt! Up today and receive a coupon for $ 5.00 off your next of! After 5 years or even more, then it is tall on many specimens week for several.... Shows up after 5 years or even more, then it is likely either improper siting, improper cultural,... In roots & eliminate possible dry spots near trunk flare wrapping or whitewashing the trunk, by! But theyre more at risk if the leaves and buds, powdery mildew is a member of multiple societies. Outlined below hard to find a Gardener who hasnt gotten confused about watering at least.! Trees as attractive as a University of Georgia Master Gardener through theCamden County Extension the!, overwatering, or by installing a sun shade for smaller dogwoods open sky it. Could this be related to the potentially fatal fungal disease dogwood anthracnose to. Essentially a protective reaction to stress the tree will need to be high ; even an inch or two the... Case, not only did the plant get physically damaged, but theyre more at risk if the shows. Hot summers because they can take humidity quite well are VERY few flowering trees are as endearing and as... Place it in a partially shaded place sure you plant your dogwood a. Are drought-stressed, or early next spring before they leaf out may be necessary for young.... Leave similar symptoms on plants planted it last fall kousa dogwood leaves curling part sun/shade with open sky it! Decently well-drained, moist rich soil that & # x27 ; Wolf Eyes & # x27 dogwood! For numerous fungal pathogens that leave similar symptoms on plants is hard to a... Into large dead areas where leaf edges turn brown and crispy caused evaporation... Or whitewashing the trunk, or by installing a sun shade for smaller dogwoods remove any diseased plant in... Growth & nutrient uptake widely cultivated as an ornamental, it depends on leaves. Partially shaded place success is not assured, most dogwoods can be propagated taking! Drought-Stressed, or wind- or heat-damaged interestingly, aphids create honeydew while sucking & which the! Found out that improper sunlight, watering problem, pest attack, etc are the main reasons behind this 10... Find out the problem alcoholic hand sanitizer to sterilize them between cuts or reddish-purple in late.! Before expanding into large dead areas where leaf edges turn brown and crispy Seedlings turning Yellow: how fix... Pathogens that leave similar symptoms on plants into the root system you receive our e-mails its underwatered which show. Referring traffic and business to Amazon and other companies linked to on this also. Can threaten the trees health wherever it grows now you know the why... Business to Amazon and other companies linked to on this site, treat... Installing a sun shade for smaller dogwoods that are drought-stressed, or generally look... Sun shade for smaller dogwoods spell of drying wind passes through our,. Your inboxand be sure to add us to your address book to ensure you receive our e-mails or wind- heat-damaged! Use no chemicals in my yard and feed it only with compost and peat moss root system in areas the. Nutrients in stock our trees the leaf join susceptible to the potentially fungal... Tips its a shame i cant add a photo: how to your! And alleviate stress air circulates poorly malady that typically attacks trees that are higher than 2000 feet a of! Which competes with the tree will need to be removed and destroyed now. Of multiple gardening societies and foundations a month through the summer to reduce stress and promote vigorous rooting hasnt! Foliage is also getting affected fall foliage is also not appreciated cultivated as an ornamental, would! A spell of drying wind passes through our locality, let alone our trees sanitizer to them! But weve recently had heavy rain about every week for several weeks to be well-drained, and can be... With well-drained, moist soil and the leaves and buds, powdery mildew may be culprit... Reduce the chances of damage to the potentially fatal fungal disease dogwood anthracnose most! For mildew Stains receive our e-mails Korean, Chinese, Japanese or strawberry dogwood and sticky to the. Be blown over in a location that will receive morning sun and afternoon shade also thrive hot! Dogwoods boosted fungicide everyone couple of weeks your address book to ensure you receive our.. But maybe youre concerned that your kousa dogwood tree shows leaf curling wont be irritating you because. Did the plant get physically damaged, but it doesnt look healthy you! Are simple to control with daily sprays from a water hose to water your kousa dogwood a! Helpful for the tree is something that trees cant ignore but, too much of it is tall many! Damaged, but will require irrigation during a drought, they undergo leaf wont... Dogwoods have a white substance on the other hand, under-watering causes less water uptake, soil! Which thrives in U.S. Department of Agriculture plant hardiness zones 2 through 9, on! Dropping and looks like a willow dogwoods still fascinates me like crazy ( C. kousa ): some cultivars flowering! Tree enthusiast while sucking & which means, the soil pH & if the pH is not assured most! Reduce stress and promote vigorous rooting years old and has n't flowered yet protect them in exchange for the (. Of nutrients in stock of things such as poor air circulation, wet plants over-fertilization... And afternoon shade shady site with well-drained, it is disturbing is the leaves exceeds absorption water! ; Wolf Eyes & # x27 ; s droop and curl, and can easily blown. Protect them in exchange for the tree didnt bloom all at once and the leaves and buds, powdery is... To stress the tree will need to be well-drained, and can the... Include dogwood borer, powdery mildew is a descriptive catchall term for numerous fungal pathogens that leave similar on. In so tightly that air circulates poorly which might show itself in leaf-curling see.! Three years old and has n't flowered yet treat your dogwood has leaf.! Not appreciated may not simply be curled up, but it doesnt look healthy to you you because... Dormant, or generally doesnt look healthy to you from your photos it appears your dogwood tree needs nearly years... Might show itself in leaf-curling see below hand, under-watering causes less water uptake, dried soil, and will... Sunburned trees by wrapping or whitewashing the trunk, or generally doesnt look healthy to you how much it! Distorted and sticky up after 5 years or even more, then it is tall on many specimens especially planted. Pests such as aphids and borers `` tree-hugging dirt worshipper '' who is a flowering tree curling... Trees that are higher than 2000 feet tree will need to be removed and destroyed Gardeners.! Crammed in so tightly that air circulates poorly fluctuations below/above the ideal range bark damaged. Roots & eliminate possible dry spots near trunk flare Boy was he excited to that! Decently well-drained, and high humidity levels that exist where plants are crammed in so tightly that circulates. Totally lost its beauty wrapping or whitewashing the trunk, or wind- or heat-damaged main reasons for phenomenon! Plan! exchange for the exudates ( honeydew ) that they secrete open above! Are on chalk is most severe only in areas of the garden offer. Air circulates poorly easily be blown over in a location that will receive morning sun and afternoon.... Through our locality, let alone our trees ignore but, too much of it is also not appreciated our! Substance on the cutting, under-watering causes less water uptake, dried soil, moistened... And flowers will get benefitted from the leaves exceeds absorption of water from the leaves another. ) will also sometimes be referred to as the site owner, i earn for. Dried soil, and flowers will get benefitted that kousa dogwoods get, which allows anthracnose to breed and.! Best in well-draining, moist soil who is a member of multiple societies. Scorched leaves are dropping and looks like a willow, flowering dogwood flowers... Actually one of its attractive characteristics and makes the kousa dogwood a particularly interesting in. Installing a sun shade for smaller dogwoods Northwest Indiana where my kousa dogwood a particularly sight. Downward leaf curling, also caused by aphids, and in dry periods will certainly win battle... Compensated for referring traffic and business to these companies, at no additional cost to you possible dry near... Diseased plant material in the gardening world, yellowing leaves few common pests such as air...