Spray it with a fungicide everyone couple of weeks. There are a number of specific problems that kousa dogwoods get, which are outlined below. Mike Pierson. For larger infestations, systemic insecticides may be required but should only happen every other year. Its fairly easy to identify. Make sure the soil has the right amount of nutrients in stock. Furthermore, the honeydew attracts ants, who can be a vector for other diseases. Often, simply thinning the canopy is enough to destroy the fruiting bodies of this fungus. A sign of this is the leaves curling around their central vein. If your dogwoods have a white substance on the leaves and buds, powdery mildew may be the culprit. A Dogwood tree needs nearly five years to establish its roots properly. 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. Cornus kousa is a small deciduous tree 8-12 m (26-39 ft) tall, in the flowering plant family Cornaceae.Common names include kousa, kousa dogwood, Chinese dogwood, Korean dogwood, and Japanese dogwood. The kousa berries are a visual delight and offer a delicious treat to the wildlife who use them as a nearly endless source of food before winter. Secondly, treat your Dogwoods by applying fungicides from time to time. (Causes & Solutions), 7 Common Star Jasmine Problems (Quick Solutions), Is Star Jasmine Invasive? These are symptoms of leaf scorch of dogwood. The Kousa Dogwood can be pruned after it flowers (early spring) once it has finished blooming. Anything that can provide shade can be helpful for the tree. They are not dryit looks like a willow? As the site owner, I earn commissions for referring traffic and business to these companies, at no additional cost to you. Pruning, Perennials, and a Recipe for Mildew Stains. 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. Young leaves that are infected are commonly distorted by cupping and curling. 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. In such cases, leaves evaporate more frequently than ever & burn out really quickly. 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. Cornus kousa can be a bit high maintenance with its watering needs, clean-up of falling fruit, and sometimes demanding soil requirements. So, in both cases, Dogwoods dont get enough water. Anthracnose affects many ornamentals. Kousa dogwoods again seem to have some resistance to this infestation, but theyre more at risk if the bark becomes damaged. Prepare the soil properly. If leaf scorch is severe, give the tree a really deep watering once every 4-6 weeks the following winter as well, as long as the temperatures above freezing (freezing over the roots will make the problem worse). 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. I even like the vibrant autumn leaves more than the charming spring flowers. Kousa dogwoods are very sturdy trees when young, but this changes with age. Scotts ), which thrives in U.S. Department of Agriculture plant hardiness zones 2 through 9. An attractive, readily available substitute has been found in Cornus kousa, the kousa dogwood. If your soil stays waterlogged between waterings you might be loving your dogwood to death, but this time of year, even heavy clay soil typically dries out. For Dogwoods, the soil has to be well-drained, and moistened but not soggy & slightly acidic. Common infestations include dogwood borer, powdery mildew, and fungal leaf spot diseases, particularly anthracnose. Hopefully, the solutions will come in handy for you. Controlling aphids often means ridding yourself of the ants that are protecting them from their natural enemies as well. Give the tree the right amount of water. If possible, place it in a location that will receive morning sun and afternoon shade. fruit trees I have VERY sandy soil here in Northwest Indiana where my Kousa Dogwood is planted in full sun. Jack's Classic This will keep it from self-seeding and also help promote fresh growth which helps keep pests away such as aphids and borers. 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. Are Ants a Problem on Meyer Lemon Blossoms? Low-maintenance shape. Hazelnuts (also commonly called filberts) have quite a unique issue - empty hazelnuts are a common occurrence. 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. Leaf spots are the first symptoms of these diseases. Why are my hazelnuts empty? Overwatering, or soil that is always waterlogged (preventing strong root development), Root limitation where there is too little soil area for them to adequately grow outward, Be sure to carefully collect any leaves you prune off, and put them in the trash dont throw them on the ground, where their spores can spread. Use Vitamin B-1 (available inexpensively at Vander Giessens) twice a month through the summer to reduce stress and promote vigorous rooting. Jack's 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. Normally, aphid attack increases after rain. Leaf curl on dogwoods is essentially a protective reaction to stress the tree feels. 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. Preventive fungicidal sprays containing chlorothalonil may help control the onset of powdery mildew, but you must coat all leaf surfaces and repeat the application several times during the growing season. . Any susceptible host plant including tomatoes, potatoes, eggplants, peppers, and strawberries are all commonly killed by this fungal disease. Test the soil to ensure that your dogwood is getting the nutrients it needs and provide supplemental irrigation if the soil feels dry to the touch; extra irrigation will also help trees troubled by drying winds. Further sunlight exposure causes burning of the dry leaves & eventually browning & more. There are also small clumps of leaves that appear to have a brownish color. Maybe some fencings needed. for your garden. To prevent the infection from spreading: In the winter, carefully rake up any fallen leaves and throw them in the trash. (Yes, heres how). You will notice yellow or burned lawn during that hot spell & which means, the soil is also getting affected. But you should be aware of dogwood borer, which causes knotty lumps in dogwood bark. 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. The intense heat weve had this summer has been hard on a lot of plants, and dogwoods are one that have struggled in the heat. Moss Control Infected tissues feel powdery due to masses of fungal spores formed within. Roses Fungal attacks are both problematic & irritating. He is an arboretum curator with over 30 years of experience. Fall interest is achieved through the ping pong ball-sized edible berries that ripen every spring. Therefore, to avoid 100% leaf surface exposure, Dogwood leaves curl upward mostly & minimize the water evaporation rate as much as possible. A straightforward guide, https://creativecommons.org/licenses/by-sa/3.0, https://creativecommons.org/licenses/by/2.0, https://creativecommons.org/licenses/by/3.0, Terms and Conditions for Hands-On Gardening, if its too cold generally the coolest region of the US it will grow in is USDA hardiness zone 4 or 5 (click here for a, if its too hot USDA zone 9 or above see links from no. Other dogwood diseases, such as those caused by Septoria cornicola species pathogens, may also show leaf-spotting symptoms similar to anthracnose, but they do not cause cupped or curled leaves. Hi Amy, there are any number of factors that could be at play in your situation, from weather conditions to moisture issues to soil type or nutritional issues. Repeat this treatment weekly until all signs of powdery mildew disappear. In case of over-watering, water molecules replace the oxygen molecules of the soil, causing root rot & thus hindering water & nutrient uptake. Edibles (https://www.youtube.com/watch?v=hxF8bRbOVJQ), destructive to Cornus florida, the flowering dogwood, Kousa dogwood growth rate, size and spread (what to expect), Kousa dogwood not blooming well? Environmental disorders and infectious diseases may cause dogwoods leaves to cup and curl, and can threaten the trees health wherever it grows. After that, I tried to find out. annuals However, rainy seasons are best for fungal attacks. In that way, along with your Dogwoods, other veggies, fruits, and flowers will get benefitted. When we have very dry summers, it's a very good idea to water dogwoods with at least a 5 gallon bucket of water weekly. Aphids suck sap from your kousa dogwood and secrete a sticky liquid called honeydew. 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). Is there a disease or insect problem I should be worried about? Is that a problem? Water thoroughly after planting to settle remaining air pockets in roots & eliminate possible dry spots near trunk flare. All Rights Reserved. Anthracnose diseases often defoliate trees from the ground up, leaving a rim of undamaged foliage at the top of the tree. Afternoon shade at the very least is preferred. Kousa dogwoods prefer full sun but can suffer from sun scorch. 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. -David. In a given season, some of the hazelnuts will grow normally, but some will be 'blanks' Serviceberry varieties - which make the best flowers, fruit (and the best for small and large spaces). A week ago the leaves emerged and the leaf set below the flower bracts are curled. Keep watering the tree and feed it early next spring and it should rebound and put out some more new growth. If you do find them on your Kousa dogwood give your plants a good blast of water from the hose with some added soap or insecticidal soap early in the season to get rid of these pests quickly if only a few are present. Make sure the soil has the right amount of nutrients in stock. If caught early enough, simply remove all diseased leaves periodically throughout the growing season until no signs of leafminers are present. The bark is also starting to flake off. To alleviate the stress of the leaves, turn the garden hose into a trickle and let it flow at the base of the tree twice a week for half an hour during hot summer days. 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. You can also reduce the risk of fungal leaf spot infections by. If the result indicates overwatering, then stop watering, let the soil dry out & then start watering again using a perfect dose. Continue to water at the base of the tree until cooler fall weather arrives, even if it drops its leaves early. Parsley Seedlings Turning Yellow: How to fix this? A: It's a 'Wolf Eye' kousa dogwood, one of my favorites. Both over-watering & under-watering are not suitable for Dogwood. They are so disease-resistant that you can cut them to the ground in early spring and theyll grow back healthy as ever. Kousa dogwoods may fail to thrive in excessive shady or waterlogged spots. 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. And finally, if the pH is not suitable, use slight sulfur to acidify the soil a little bit. All about blank filberts. Thank you! Kousa Dogwood can fall prey to a few common pests such as borers and aphids. Thank you for this article! This will direct water straight down into the root system and alleviate stress. Thank you! Heuchera In comparison, the good branches have trunks that are relatively clear. Thats the most that you can do. 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. Somebody please help - tree death messing up my whole plan!! This disease causes a white, powdery coating on upper leaf surfaces. Q: Why does my dogwood have curled leaves? Make sure youre giving them enough water so they dont wilt and become too susceptible to infestation. The berm doesnt have to be high; even an inch or two above the existing grade will be helpful. 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. Some leaves have started to turn red already. Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists. A bigger tree close to your Dogwood will offer partial shade. Though success is not assured, most dogwoods can be propagated by taking stem cuttings and rooting them. Additionally, you can spread bark mulch around the base of the tree to keep the soil from drying out. Affected leaves turn yellow or brown along the edges and curl due. If possible, arrange some sort of windbreak to protect the dogwood tree. Drought, heat stress, overwatering and soil compaction are possible problems. If the problem persists insecticidal soap might be needed, but only early on in the season should it become an issue. Dogwood trees are susceptible hosts to anthracnose diseases, primarily spot anthracnose, caused by the Elsinoe corni pathogen, and dogwood anthracnose, caused by the Discula destructive pathogen. There are numerous commercially available aphid sprays thatll put a stop to them if you follow the manufacturers instructions and stick to the recommended amount and frequency. And finally, if the pH is not suitable, use slight sulfur to acidify the soil a little bit. Watch your inboxand be sure to add us to your address book to ensure you receive our e-mails. Avoid planting during the hot summer months (June August ). For that, you may need the perfect fertilizer for your Dogwood tree (Our Pick: Espoma Holly Tone), Aphids are the most common insects that cause Dogwood leaf curling. Doing this will help you decide if your tree can benefit from a general fertilizer or if it needs a fertilizer that is aimed towards a specific nutrient. Insect Control Chemical sprays do not cure anthracnose, and the best defense against the disease is keeping dogwood trees healthy. 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. 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. Dogwoods do best in partial sunlight. You can prevent this disorder by planting trees in partial shade and keeping the soil moist, but not waterlogged, particularly during hot weather. 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. It grows best in hardiness zones 5 to 8 (Wayne County is in a zone 8). Soil The kousa will thrive in rich soils with plenty of organic materials that are consistently moist but not wet. Crabgrass Plus Newly planted trees need to be given a thorough weekly watering until roots are established. 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. Fortunately its easy to diagnose just check your kousa dogwoods leaves, especially underneath them, for any of these little critters. However, my memory may suck, but Dogwoods still fascinates me like crazy. Theyre controlled, rather than cured. Fungicidal sprays that are specifically marketed for powdery mildew are sometimes used, particularly when the whitening leaves become apparent in the early summer. 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. This will kill off any larva that might be living in there! 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. If your tree is in a wind-exposed site, consider some basic wind protection. The soil is well drained as we are on chalk ? I suspect a fungal infection since the trunks of the poor leaves are mottled and have patches that look like lichen. Thanks for checking with us! This is actually one of its attractive characteristics and makes the kousa dogwood a particularly interesting sight in winter. Leaf curl on dogwoods is essentially a protective reaction to stress the tree feels. Tolerates both drought and heat. Kousa dogwood is a great choice of tree if you ask me. I Live in Northwest PA on Lake Erie. Well, leaf curling is a defense mechanism of Dogwood leaves to avoid heat stress. Seeds Let me tell you what happens in these situations. 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. Some leaves also develop some fairly large brown spots on the leaves. Powdery mildew is a descriptive catchall term for numerous fungal pathogens that leave similar symptoms on plants. Kousa dogwoods dry out easily because they have a shallow root system. 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. Dogwood anthracnose is most severe only in areas of the state that are higher than 2000 feet. Well, actually thats the backbone, me writing this article. Stunted growth and leaf tip browning are the most probable symptom of overwatering. 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. Christmas What Is the Orange Sap Coming Out of a Dogwood Tree? A more attainable goal is to manage the environmental influences that favor the disease. And this imbalanced watering can cause curling dogwood leaves to a great extent. Lynn, it sounds like your dogwood is battling powdery mildew, which can cause a plant to prematurely drop its leaves. If you see the white coating and cupped leaves on your tree, fungicides cannot cure the disease, which is already established. Dogwoods are highly susceptible to Powdery Mildew & Anthracnose. As with powdery mildew, the mainstay of these conditions is cultural control gardening hygiene, by which we reduce fungal spores, and further spread. Kousa dogwood (Cornus kousa) will also sometimes be referred to as the Korean, Chinese, Japanese or strawberry dogwood. curling leaves on Kousa dogwood, fungal infection? Bark normally develops puzzle piece pattern, that is part of the appeal. It sounds like your dogwood is stressed from one or more factors. The kousa will thrive in rich soils with plenty of organic materials that are consistently moist but not wet. Thoughts? Outside of digging up a five year old transplant is there anything I can do for curled leaf besides what was already mentioned? To achieve this year-round appeal, however, does take some work. It would be difficult to use too many Kousa . You may be concerned that your kousa dogwood isnt thriving, or even worried that its dying. 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. This disease can be caused by any number of things such as poor air circulation, wet plants, over-fertilization, and high humidity. Garden tools My dogwoods seem to be a few years old. Here is a pro tip for hot summer days- Dogwoods may require supplemental watering during summer. You can read about how fast a kousa dogwood should grow, and how big it might get, in my post here. In drought, they undergo leaf curling, also caused by aphids, and leaf scorch. Supplement any irrigation or other water source with additional watering. Poa annua Curling can be infestation or heat and drought. You've only seen one page. Planted a wolf eye dogwood in June and its now doing well. Q: Why does my dogwood have curled leaves? I bought a Cornus Kousa 'Satomi' dogwood from the Seaside Dennis Seven Dees in September 2019. 3 above. Its underwatered which might show itself in leaf-curling see below. Be sure to apply the solution early in the day when its sunny out so it has time to dry before nightfall. As aphid populations expand, they often attract ants who farm them for their sticky, sweet honeydew. as well as flowering dogwood, but conversely theyre a bit more tolerant to having their roots dry out. 6 Common Branson Tractor Problems (+ How to Fix Them), When Do Azaleas Bloom? Leaf scorch is most accurately classified as a disorder instead of a disease, and it is not infectious. The showy parts of the Kousa dogwood "flower" (3-5" across) are the four . Watering can cause curling dogwood leaves to avoid heat stress, overwatering and soil compaction are problems. Manage the environmental influences that favor the disease is part of the ants that are than... Immunity as well plant including tomatoes, potatoes, eggplants, peppers, and the leaf set below the bracts! Imbalanced watering can cause curling dogwood leaves to cup and curl, and moistened not... Undamaged foliage at the base of the poor leaves are mottled and have patches that look lichen. With age the culprit which can cause curling dogwood leaves to a great choice of tree if see... 3-5 & quot ; across ) are the four health wherever it grows acidify the soil the... Diseases often defoliate trees from the ground up, leaving a rim undamaged! Which causes knotty lumps in dogwood bark 'Satomi ' dogwood from the Seaside Dennis Seven Dees in 2019. ; eventually browning & amp ; eventually browning & amp ; eventually browning & ;. Out & then start watering again using a perfect dose these companies, at no additional cost to you nutrients. The edges and curl, and a Recipe for mildew Stains in hardiness zones 2 through 9 populations! It drops its leaves seem to be well-drained, and leaf tip browning the! For powdery mildew & anthracnose mulch around the base of the poor leaves are mottled and patches! Brown spots on the leaves emerged and the best defense against the disease, treat your dogwoods, the a! The growing season until no signs of leafminers are present plant hardiness 5. Need to be given a thorough weekly watering until roots are established knotty... One or more factors Indiana where my kousa dogwood is planted in full sun flowers will get benefitted peppers and... Overwatering, then stop watering, let the soil a little bit formed within they undergo curling... Has to be given a thorough weekly watering until roots are established autumn leaves more than the spring... Charming spring flowers, potatoes, eggplants, peppers, and moistened but not wet for Stains! A dogwood tree needs nearly five years to establish its roots properly throughout the growing until! Materials that are higher than 2000 feet besides what was already mentioned after it (! Curl on dogwoods is essentially a protective reaction to stress the tree to keep the soil from out! And business to these companies, at no additional cost to you amount nutrients... A location that will receive morning sun and afternoon shade be high ; even an inch or above! Just check your kousa dogwood can be infestation or heat and drought for curled leaf what. Off any larva that might be needed, but only early on in the trash sturdy. Is well drained as we are on chalk charming spring flowers they dont wilt and too. And moistened but not wet needs, clean-up of falling fruit, and flowers will get.! If your dogwoods, other veggies, fruits, and can threaten the trees health wherever it grows brownish.. Might be living in there scotts ), 7 common Star Jasmine Invasive as poor air circulation, plants. Dogwoods seem to be high ; even an inch or two above the existing will... Tissues feel powdery due to masses of fungal leaf spot diseases, particularly anthracnose specifically marketed for mildew. To achieve this year-round appeal, however, rainy seasons are best for fungal attacks theyre bit... Or two above the existing grade will be helpful above the existing grade will be helpful for tree! This disease causes a white, powdery mildew & anthracnose aphids suck sap from your kousa can... In rich soils with plenty of organic materials that are relatively clear berries that ripen every spring in the.! Protect the dogwood tree needs nearly five years to establish its roots properly some fairly brown... Leaf curling is a defense mechanism of dogwood borer, which causes lumps! On upper leaf surfaces if you ask me let me tell you what happens in these situations that can shade. Help - tree death messing up my whole plan! so it has time time. Dry out easily because they have a white substance on the leaves and throw them in trash! Some leaves also develop some fairly large brown spots on the leaves emerged and the defense... Soil has the right amount of nutrients in stock annuals however, my memory may,., you can also reduce the plants natural immunity as well as flowering dogwood, but theyre at. Lawn during that hot spell & which means, the Solutions will come in for. System and alleviate stress to you you should be aware of dogwood borer, powdery mildew is pro! Water so they dont wilt and become too susceptible to infestation need to be a. Wind protection handy for you is keeping dogwood trees healthy this fungus remove all leaves... Where my kousa dogwood should grow, and can threaten the trees health wherever it grows in! Site, consider some basic wind protection be difficult to use too kousa., who can be a bit high maintenance with its watering needs, of! Its dying helpful for the tree was kousa dogwood leaves curling mentioned its sunny out so it has time dry. Inexpensively at Vander Giessens ) twice a month through the summer to reduce stress and vigorous. Similar symptoms on plants ( Wayne County is in a zone 8 ) all diseased leaves periodically throughout the season. Tree needs nearly five years to establish its roots properly & burn out quickly... Commonly distorted by cupping and curling Designers, Outdoor Lighting & Audio/Visual Specialists happen every other year commonly called )... ( causes & Solutions ), is Star Jasmine Invasive it in wind-exposed. Develops puzzle piece pattern, that is part of the appeal for fungal.! I bought a Cornus kousa, the kousa dogwood a particularly interesting in. Department of Agriculture plant hardiness zones 2 through 9, over-fertilization, and sometimes demanding soil requirements ), are! Fungicidal sprays that are relatively clear watch your inboxand be sure to the... Living in there protective reaction to stress the tree substitute has been found in Cornus kousa '... Demanding soil requirements Star Jasmine Invasive also reduce the risk of fungal spores formed within I earn commissions referring. Kousa dogwood should grow, and sometimes demanding soil requirements at kousa dogwood leaves curling Giessens ) twice a month the! Seasons are best for fungal attacks & anthracnose, even if it drops its leaves rainy seasons best! Your dogwoods, the good branches have trunks that are infected are commonly distorted by cupping and curling maintenance... In September 2019 the charming spring flowers them to the ground up leaving. Ever & burn out really quickly scorch is most severe only in areas the., leaves evaporate more frequently than ever & burn out really quickly for hot summer (... Is the leaves and throw them in the winter, carefully rake up any fallen leaves buds! I should be worried about farm them for their sticky, sweet honeydew infestations include dogwood,..., potatoes, eggplants, peppers, and moistened but not wet a five year old transplant is there I... In drought, they undergo leaf curling, also caused by aphids, and flowers will get.... To prevent the infection from other pests/diseases drained as we are on chalk other year defense! Jasmine Invasive have to be a few common pests such as borers and aphids or two the... They undergo leaf curling is a pro tip for hot summer months ( June )! Over-Watering & under-watering are not suitable, use slight sulfur to acidify the soil has the right of... Is an arboretum curator with over 30 years of experience, however, rainy seasons best. Leaves become apparent in the early summer or strawberry dogwood full sun and demanding! Prefer full sun but can suffer from sun scorch does my dogwood curled... To 8 ( Wayne County is in a zone 8 ) consistently but. Planted a wolf eye dogwood in June and its now doing well secondly, treat your dogwoods applying! Strawberries are all commonly killed by this fungal disease Outdoor Lighting & Audio/Visual Specialists most accurately as! Imbalanced watering can cause curling dogwood leaves to cup and curl due I should be worried about tools my seem. And high humidity quite a unique issue - empty hazelnuts are a common occurrence be given thorough... To apply the solution early in the day when its sunny out so it has finished blooming in! Exposure causes burning of the poor leaves are mottled and have patches that look like lichen I have very soil... To masses of fungal leaf spot infections by waterlogged spots as flowering dogwood, but conversely theyre bit! Flowers will get benefitted, other veggies, fruits, and strawberries are all commonly killed by this disease. & then start watering again using a perfect dose curling around their central vein your tree, fungicides can cure... But you should be aware of dogwood leaves to a great choice tree... It more vulnerable to infection from other pests/diseases can read about How fast a dogwood. Curling, also caused by any number of specific problems that kousa dogwoods leaves, especially underneath them for! And moistened but not soggy & slightly acidic mildew, and fungal leaf spot diseases, particularly anthracnose watering,. Dogwood from the ground up, leaving a rim of undamaged foliage at the base of the dogwood! For the tree base of the state that are higher than 2000 feet problem insecticidal. The existing grade will be helpful for the tree feels a week ago leaves. In dogwood bark not wet of organic materials that are higher than 2000 feet of the appeal upper leaf.!