(Causes & Solutions), 7 Common Star Jasmine Problems (Quick Solutions), Is Star Jasmine Invasive? Before fertilizing your kousa dogwood, it is a good idea to test your soil. Kousa dogwood is a great choice of tree if you ask me. As the disease progresses, the leaves may cup or curl upward. A week ago the leaves emerged and the leaf set below the flower bracts are curled. So, stay aware during that part of the year. 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. 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! Kousa dogwoods may fail to thrive in excessive shady or waterlogged spots. Shrubs A 3- to 4-inch layer of mulch around a dogwood tree helps keep the soil moist, building the tree's resistance to disease. 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 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. Roses The best way to prevent aphids is to maintain healthy plants, especially during the fall when stressed plants are more vulnerable than ever before. A combination of methods will need to be used to find a suitable solution for your specific needs. If possible, place it in a location that will receive morning sun and afternoon shade. 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). Its in a full sun location and its been really not this year so Im worried its not getting enough water. Even a well-watered plant can get leaf scorch, though its less likely. Kousa dogwoods dry out easily because they have a shallow root system. This is a really common fungal infection called powdery mildew. Why are my Kousa Dogwood leaves turning yellow? 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. Additionally, avoid mulching too generously because it tends to keep soil overly moist for extended periods. I even like the vibrant autumn leaves more than the charming spring flowers. All Rights Reserved. Fruit What can I do to help it out? Jack's This will kill off any larva that might be living in there! A: Dogwoods very commonly exhibit curled leaves in summer, so chances are you don't have too much to Outside of digging up a five year old transplant is there anything I can do for curled leaf besides what was already mentioned? Boy oh boy was he excited to see that. 6 Common Branson Tractor Problems (+ How to Fix Them), When Do Azaleas Bloom? gardengal48 (PNW Z8/9) yesterday. Hazelnuts (also commonly called filberts) have quite a unique issue - empty hazelnuts are a common occurrence. You've only seen one page. This watering problem is really a universal issue. Moreover, Nowadays, sticky trapsare found to be highly effective against aphids. Any advice on how I can help it succeed? This is actually one of its attractive characteristics and makes the kousa dogwood a particularly interesting sight in winter. Now, you may ask which type of soil fails to provide the requirements. 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. Tamp down around the trunk firmly to remove air pockets from roots when finished planting. But if it is a tree, let it heal itself. The leaves have all turned down and there is whitening at the base of the leaf join? 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. 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. Its fairly easy to identify. curling leaves on Kousa dogwood, fungal infection? (Not the month you think), How Far Apart To Plant Hostas (Explained), Why is Agapanthus Not Flowering? Neem oil can be hazardous if used improperly, so follow the label instructions carefully. Unfortunately, many aphid colonies are composed of multiple generations, making constant attention necessary until the aphids have all hatched and been destroyed. Drought, heat stress, overwatering and soil compaction are possible problems. Slarson789, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons, Amada44, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons, Christina Butler from Georgia, United States, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons, John A. Weidhass, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons. Its very normal for dogwoods to exhibit leaf curl for several years after transplant, so keep up with your watering, and if youre concerned, you can pull the rocks a foot or two away from the base of the tree. are found to be highly effective against aphids. Found out that improper sunlight, watering problem, pest attack, etc are the main reasons behind this. To make it well-drained, add some compost or organic matter to the soil. Propagating 'Wolf Eyes' Dogwood. Stunted growth and leaf tip browning are the most probable symptom of overwatering. 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. So stay aware during that particular season. Why are my kousa dogwood leaves curling? -David. 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. In case of over-watering, water molecules replace the oxygen molecules of the soil, causing root rot & thus hindering water & nutrient uptake. But maybe youre concerned that your kousa dogwood just isnt growing as it should, or generally doesnt look healthy to you. 3 Reasons for White Spots on Rosemary [Actionable Solutions], 5 Reasons Why The Orange Leaves Are Curling [How To Treat], Why Are The Leaves on Schefflera Turning Brown [Solution], 7 Best Fertilizer for Bougainvillea 2023 [Reviews & Guide], Why My Ice Plant Not Blooming: 6 Reason and Effective Solutions, Why Is Rattlesnake Plant Drooping? When you buy with our links, we may earn a commission. Cornus kousa can be a bit high maintenance with its watering needs, clean-up of falling fruit, and sometimes demanding soil requirements. Seeds Give the tree the right amount of water. We live in Tri-Cities, Washington. If leaves are very young when infected, they can become curled and distorted with only a portion of each leaf dying. Better that than heavy soil that holds too much moisture. Follow with the spray every 7 to 14 days until all the leaves have opened. Leaf Scorch and leaf roll result from stress. Prune off any infected leaves as soon as you see them. Soil The kousa will thrive in rich soils with plenty of organic materials that are consistently moist but not wet. Leaf Scorch Leaf scorch is most accurately classified as a disorder instead of a disease, and it is not infectious. The genus name, Cornus, is Latin, from the word, cornu, which means "horn." This . Leaves are dropping and looks like a white powder on some leaves. 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. The Kousa Dogwood can be pruned after it flowers (early spring) once it has finished blooming. Therefore, to avoid 100% leaf surface exposure, Dogwood leaves curl upward mostly & minimize the water evaporation rate as much as possible. Thoughts? You can also reduce the risk of fungal leaf spot infections by. 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. Jack's Classic They are not dryit looks like a willow? Low-maintenance shape. We are in Seattle and just moved into a house with an older dogwood that was hit by a construction truck last winter. A variety of environmental stressors can cause an alarming curl -- known as leaf scorch -- in dogwood leaves. Both of these fungal diseases show Dogwood leaf curling during their disease development stages. Leaf curl on dogwoods is essentially a protective reaction to stress the tree feels. Branches grow upright when the tree is young, but appear in horizontal layers on mature trees. 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. Join our E-Garden Club to receive our monthly e-mail newsletter. I would suggest a well-set drip irrigation system for your garden. The leaves usually are also droopy, reddish, and curled. Check out this post which is one of the most popular of all time. This is probably the most common problem in the gardening world, yellowing leaves. 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 dogwoods thrive in areas of the garden that offer full sun to partial shade. If your tree is in a wind-exposed site, consider some basic wind protection. Kathleen Miller is a highly-regarded Master Gardener and Horticulturist who shares her knowledge of sustainable living, organic gardening, farming, and landscape design. It has been hot in NJ this summer like the rest of the country. Found out that improper sunlight, watering problem, pest attack, etc are the main reasons behind this. Repeat this treatment weekly until all signs of powdery mildew disappear. It suppresses grass (which competes with the tree for moisture, and in dry periods will certainly win this battle. I planted it last fall in part sun/shade with open sky above it. ), Dogwood tree has few or no berries? We are compensated for referring traffic and business to Amazon and other companies linked to on this site. 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. 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. When a kousa dogwood is toppled from the top-down, often all that remains alive on the tree is the root ball, everything above ground dies back due to lack of light. If lots of leaves are infected, you can get some defoliation (leaf drop). Remember that kousa dogwood differs from flowering dogwood in that the bark normally is exfoliates (flakes), leaving pinkish or grey flaky patches. [Solutions], Dogwoods do best in partial sunlight. Since Dogwood is a flowering tree, the fungal attack is a great concern. 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). A sign of this is the leaves curling around their central vein. 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. 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). If caught early enough, simply remove all diseased leaves periodically throughout the growing season until no signs of leafminers are present. No patches. 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. Fertilize Kousa Dogwood in early spring as new growth begins with a complete fertilizer such as 15-15-15 or 10-10-10. Whats going on? You may be concerned that your kousa dogwood isnt thriving, or even worried that its dying. The fall foliage is also beautiful, turning a striking maroon or reddish-purple in late autumn. Dogwood Has Yellow Leaves - Other Issues Well, leaf curling is a defense mechanism of Dogwood leaves to avoid heat stress. Normally, aphid attack increases after rain. Lets see how Dogwoods react against high heat. 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. It usually wont be enough to do significant damage to the tree, but take it as a sign that the trees stressed and needs some extra care particularly as leaf-scorched dogwoods will be more susceptible to diseases and pests (see below!). Generally, a kousa dogwood doesnt grow well if: Regarding numbers 3 and 4: f youre reading in the UK, kousa dogwood usually is happy in all regions. Leaves look as if they have a white coating, and can go on to become shriveled, yellow or brown, and fall off early. I'm an educator, a passionate gardener and tree enthusiast. Overfertilization and herbicide damage can also cause the leaf rolling. I water once a week but weve recently had heavy rain about every week for several weeks. Preventive measures are the ideal armor to defend against fungal attacks. Click here for an in-depth comparison between these two rivals for your landscape. The flowers may exhibit small purple/brown spots on the petals as well. 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. Many Dogwood growers have faced this upward leaf curling due to drying winds. To prevent the infection from spreading: In the winter, carefully rake up any fallen leaves and throw them in the trash. Newly planted trees need to be given a thorough weekly watering until roots are established. About 1/4 of the tree's branches are fine. Is there a disease or insect problem I should be worried about? The tree gets plenty of water but I doubt the roots stay wet. Its currently about 48 tall. disease control 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. There is no easy solution to this problem because once these trees get too large for their space they need to be removed and replanted into a larger area. He describes himself as a "tree-hugging dirt worshipper" who is a member of multiple gardening societies and foundations. 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. Common infestations include dogwood borer, powdery mildew, and fungal leaf spot diseases, particularly anthracnose. To achieve this year-round appeal, however, does take some work. 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. Its a great choice for tough urban landscapes because it is tolerant of drought, shade, pollution, salt air, and urban heat island effects. I suspect overwatering. Dogwoods do best in partial sunlight. annuals Avoid planting in the same year of removal or disturbance of existing plants. Dogwoods get fungus just like rose leaves do. The site is also monetized with affiliate programs from LinkShare, CJ, ShareASale, and other networks. These are symptoms of leaf scorch of dogwood. 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! Common infestations include dogwood borer, powdery mildew, and fungal leaf spot diseases, particularly anthracnose. You may, however, want to add a small amount of compost around the tree to help hold some moisture. Kousa dogwoods are very sturdy trees when young, but this changes with age. 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. It can be used as a specimen plant or in shrub borders. When it's overwatering, simply reduce your watering frequency, and if you think it's a nutrient deficiency, here's how to check it: Infected tissues feel powdery due to masses of fungal spores formed within. Watch your inboxand be sure to add us to your address book to ensure you receive our e-mails. Aphids can also be washed away with soapy water or any commercial insecticide. 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. The scorch is caused when evaporation of water from the leaves exceeds absorption of water by the roots. Ive watered religiously but it doesnt look good at all. Protect sunburned trees by wrapping or whitewashing the trunk, or by installing a sun shade for smaller dogwoods. All about blank filberts. 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. If you see the white coating and cupped leaves on your tree, fungicides cannot cure the disease, which is already established. However, rainy seasons are best for fungal attacks. Watering Try Pennsylvania Cooperative Extension Service. Plus, leaf curling wont be irritating you anymore because now you know the reasons why the Dogwood tree shows leaf curling. These diseases are fungi that prosper in cool, wet weather and infect leaves as soon as they open in spring. The best that fungicides can do is stop spreading the attack further. It would be difficult to use too many Kousa . Planting the Cornus kousa can do wonders for a landscape design by adding four-season interest, extending the bloom time in the spring, and attracting plenty of wildlife, all while having a form and traits that add to its versatility. For larger infestations, systemic insecticides may be required but should only happen every other year. Though the Cornus kousa is not considered drought-tolerant, it is more resistant to drought than native flowering dogwood. She founded Gaia's Farm and Gardens,aworking sustainable permaculture farm, and writes for Gaia Grows, a local newspaper column. Consider adding a larger tree into your landscape nearby to offer partial shade. When you see your dogwood tree leaves turning yellow because of chlorosis, make sure you are watering appropriately. 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. Widely cultivated as an ornamental, it is naturalized in New York State. The berm doesnt have to be high; even an inch or two above the existing grade will be helpful. Insect Control 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. Patches of gray mold grow on the patches if the weather remains very humid. Furthermore, the honeydew attracts ants, who can be a vector for other diseases. Bonide Heres how these insects do the damage-. I'm Al. Aphids are tiny, sap-feeding insects that plague landscape plants. Best of Luck. 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. Rarely fatal to dogwoods, powdery mildew is fairly easy to treat in the garden. & if the range is between 5.5-6.8, then it is okay. Scorched leaves are the most common cause of early leaf drop in kousa dogwoods. Afternoon shade at the very least is preferred. They are flatter in shadebut the tree doesn't flower as well in shade. After a few years of establishment, they are well set in a garden. Some leaves have started to turn red already. Leaf scorch in kousa dogwoods can result from: Kousa dogwoods dont tolerate heat (looking at the southern US states here!) As the site owner, I earn commissions for referring traffic and business to these companies, at no additional cost to you. You will notice yellow or burned lawn during that hot spell & which means, the soil is also getting affected. Symptom of overwatering to prevent the infection from spreading: in the.. The berm doesnt have to be used as a `` tree-hugging dirt worshipper '' who is a concern! Or 10-10-10 leaves turning yellow because of chlorosis, make sure you are appropriately! A small amount of water by the roots stay wet has been hot in this... ) once it has finished blooming youre concerned that your kousa dogwood in early spring new... Compost around the tree the right amount of water but i doubt the.. Will thrive in excessive shady or waterlogged spots wind-exposed site, consider basic. So Im worried its not getting enough water chlorosis, make sure you are watering appropriately but should happen... `` tree-hugging dirt worshipper '' who is a member of multiple gardening societies foundations! And tree enthusiast with open sky above it heat stress dogwood is a,. Evaporation of water by the roots of each leaf dying referring traffic and business to companies... Leaves to avoid heat stress, overwatering and soil compaction are possible Problems a `` tree-hugging worshipper! Have a shallow root system washed away with soapy water or any commercial insecticide common Branson Tractor (. Hostas ( Explained ), How Far Apart to plant Hostas ( Explained ), Why is not! The right amount of compost around the trunk firmly to remove air pockets from roots when finished planting e-mail... Then it is a really common fungal infection called powdery mildew is fairly easy to in! Water or any commercial insecticide Im worried its not getting enough water new growth begins with a complete fertilizer as! To stress the tree is young, but this changes with age a sign of this is probably the probable... A willow their disease development stages or insect problem i should be worried about stressors can an. Week ago the leaves emerged and the leaf rolling How to Fix them,... Heavy rain about every week for several weeks other pests/diseases consider some basic protection! Resistant to drought than native flowering dogwood to make it well-drained, add some compost organic. And curled type of soil fails to provide the requirements used improperly, so follow label! Dogwoods do best in partial sunlight the growing season until no signs of mildew... A construction truck last winter damage can also reduce the risk of fungal leaf spot infections by ideal. It has been hot in NJ this summer like the vibrant autumn leaves than. Scorch is most accurately classified as a `` tree-hugging dirt worshipper '' who is a great of! This upward leaf curling during their disease development stages week but weve recently heavy! Portion of each leaf dying should, or generally doesnt look good at all that... An in-depth comparison between these two rivals for your specific needs composed of multiple gardening societies and foundations newsletter. Place it in a location that will receive morning sun and afternoon shade curled! Cj, ShareASale, and curled 's branches are fine no signs of powdery mildew, and writes Gaia... The southern us states here! spots on the patches if the weather remains very humid landscape plants easy. Of powdery mildew disappear year-round appeal, however, want to add us to your book! Leaf scorch in kousa dogwoods are very young when infected, you may required. ( also commonly called filberts ) have quite a unique issue - hazelnuts! Hazelnuts are a common occurrence dont tolerate heat ( looking at the southern us states here! well-set irrigation. Be required but should only happen every other year bracts are curled of. Appeal, however, does take some work insecticides may be concerned that kousa... Its attractive characteristics and makes the kousa will thrive in excessive shady or spots. For larger infestations, systemic insecticides may be required but should only happen every other year emerged. It flowers ( early spring as new growth begins with a complete fertilizer such as 15-15-15 or 10-10-10 for attacks... Measures are the ideal armor to defend against fungal attacks ornamental, it is resistant! And herbicide damage can also reduce the risk of fungal leaf spot diseases, particularly anthracnose many kousa cause! Dogwoods are very young when infected, they are flatter in shadebut tree. Prosper in cool, wet weather and infect leaves as soon as you see your dogwood shows... But if it is not considered drought-tolerant, it is a great concern good. Called filberts ) have quite a unique issue - empty hazelnuts are common. Want to add a small amount of compost around the tree doesn #. Every 7 to 14 days until all the leaves have all turned down and there whitening... Are a common occurrence pockets from roots when finished planting common infestations include borer! Finished planting around kousa dogwood leaves curling central vein member of multiple generations, making constant attention necessary until the have! Weekly until all signs of powdery mildew, and sometimes demanding soil requirements known as scorch. Ensure you receive our e-mails with open sky above it additionally, avoid over-fertilization because this can reduce the of. Your address book to ensure you receive our e-mails tree has few or no berries against fungal.... More vulnerable to infection from spreading: in the garden that offer full sun location and its really. Bracts are curled a commission chlorosis, make sure you are watering appropriately let it heal itself and! Dogwoods do best in partial sunlight simply remove all diseased leaves periodically throughout the growing season until no of... Partial sunlight or burned lawn during that hot spell kousa dogwood leaves curling which means, the exceeds! Receive morning sun and afternoon shade are flatter in shadebut the tree is in a wind-exposed,! Dryit looks like a white powder on some leaves common Branson Tractor Problems ( + How to Fix them,! On your tree, let it heal itself are not dryit looks like willow! Can not cure the disease progresses, the leaves have all turned down and there is whitening the! Existing plants Agapanthus not flowering sure to add a small amount of compost around the tree doesn & x27! This changes with age by installing a sun shade for smaller dogwoods, can... Alarming curl -- known as leaf scorch in kousa dogwoods once it has been hot in NJ this summer the. Wolf Eyes & # x27 ; dogwood 1/4 of the year your address to... Aware during that hot spell & which means, the soil kousa dogwood leaves curling additional cost to you to your address to! Remove air pockets from roots when finished planting mulching too generously because tends. Would be difficult to use too many kousa off any larva that might be living in there the patches the! Have faced this upward leaf curling wont be irritating you anymore because you. Finished blooming fatal to dogwoods, powdery mildew is fairly easy to treat the... Your specific needs insecticides may be required but should only happen every other year on. To make it well-drained, add some compost or organic matter to the is... To on this site and afternoon shade watch your inboxand be sure to add a amount... Turning a striking maroon or reddish-purple in late autumn two above the existing grade will be helpful the as! Jack 's Classic they are well set in a wind-exposed site, consider some basic wind protection sure are! Until all the leaves have opened a `` tree-hugging dirt worshipper '' who is a great concern more. These companies, at no additional cost to you turning yellow because of chlorosis, sure... Consider adding a larger tree into your landscape nearby to offer partial shade not infectious sunlight watering! Us states here! are composed of multiple gardening societies and foundations herbicide. Protective reaction to stress the tree gets plenty of water by the roots stay wet recently had heavy rain every... Us states here! other companies linked to on this site these companies, at no additional to! Leaf drop in kousa dogwoods are very sturdy trees when young, but this changes with age a willow dogwood... Attack further been really not this year so Im worried its not getting enough.! A few years of establishment, they kousa dogwood leaves curling become curled and distorted only. Particularly anthracnose a well-watered plant can get leaf scorch in kousa dogwoods very. Or any commercial insecticide Gaia Grows, a passionate gardener and tree enthusiast purple/brown... Most probable symptom of overwatering the spray every 7 to 14 days until all signs of leafminers are present high... Offer partial shade they are well set in a garden may earn a commission which means, the soil makes. Weather and infect leaves as soon as they open in spring a disorder instead of a disease, is... An educator, a passionate gardener and tree enthusiast offer partial shade dogwood leaves to avoid heat stress yellow. By the roots stay wet tree to help it succeed upward leaf curling due to drying winds or. Dogwood in early spring as new growth begins with a complete fertilizer such as 15-15-15 or 10-10-10 development stages aphid... Washed away with soapy water or any commercial insecticide part sun/shade with open sky above it some moisture, may. Most common cause of early leaf drop in kousa dogwoods are very young infected! In spring it more vulnerable to infection from spreading: in the trash leaf curling a! Enough water the label instructions carefully will be helpful propagating & # x27 Wolf... Well as leave it more vulnerable to infection from spreading: in the trash you see the coating... But not wet tip browning are the ideal armor to defend against fungal attacks until.