Hi, I've been planting sugar maples (small 18-24 inch saplings) on my property in Michigan for 5 years. I did see one poster who seemed to identify with a like problem, but she never replied with pictures so an answer was never provided. If not, it could be leaf scorch, which is like your description, minus the spots. When I worked as an editor of a gardening channel, people often asked me how to identify and address common maple tree pests, diseases, and problems. Call your local Cooperative Extension office to see if they can come out and take a core sample to test. Leaf scorch can be remedied with deep watering during hot or windy conditions. I am devestated! This list of tree diseases causes most tree health problems and death and are very specific to either a conifer or a hardwood host.. Occasionally, this fungus will also appear as red balls on the bark of the maple tree. Severely affected trees may exhibit leaf loss. Learn how to recognize and treat common maple tree diseases. Your Life has called and left you a message: get one, and spend less time surfing the Internet. If you do cut them down, consider selling the lumber instead of giving it away- a healthy, large maple tree (or several) is valuable to lumber dealers. The late frost, coupled with what seems like an increase in sucking insects are really stressing out the trees. Any ideas? Lots of water and perhaps a little tree fertilizer should help your trees survive the summer. In a report by the USDA tracking sapstreak in sugar maples, they note that "[s]ometimes disease progression . Could you please advise me if there is any treatment I could do to help it? About three years ago, it started losing some of its bark, just flaking off. (I'm guessing they were probably around during the Civil War or even earlier). Heart rot can destroy the whole tree rather quickly, from the inside out. If you're in doubt, call your county Cooperative Extension office- they would be able to visit your tree and give you a diagnosis of the problem in person. Charlotte Gerber (author) from upstate New York on January 06, 2011: Hi Jerry, So sorry for the delay in responding to you. Acer rubrum 'Florida Flame', Florida Flame Maple 'Florida Flame' is a more consistent grower (compared to the variable red maple species) with bright red emerging foliage and good fall color, even in Florida. Hi Mary, There are several beetles that may be responsible, or they could be carpenter ants (which wouldn't kill your tree, they're attracted to the honeydew). or is it slowly dying? Leaf Scorch: On maple (Acer species) trees a number of problems cause symptoms that are generally classified as leaf scorch. What do I do for it or can anything be done? Now, about 4 days later selective leaves are curling on the tree. They have been drippping sap since spring to the point we cannot park in our driveway without cleaning the windshield first. To treat mealy bugs/scale, I've found the easiest way is to use Bayer Advanced Tree and Shrub. While they look nice during the season, they are driving me crazy with all the leaves they drop...which I could live with, but they have also started dropping a lot of sap. Use and Management. I am suspicious that I have some form of insect boring intop the branches (based on looking at a couple of these branches where they final broke off - This usmmer a health brach came down and you could see where something had basically cut it through part way - Lookinf for suggestions if there are any on treating the tree to keep this from continuing - the tree is starting to look thin. Maples can live a hundred years or more if they're in a good spot. Hi Jeff, It sounds like sun scorch. Through all the 4 years my trees fare the worst compared to any lawn in my neighborhood. Occasionally, this fungus will also appear as red balls on the bark of the maple tree. Is this occurring from a lack of water? Your tree may need to be cut down, but without seeing the tree in person, it is difficult to correctly diagnose. Last year there were even more dead leaves, and some of the dead branches were split. As for the red/black spots, I agree - they're probably galls and those don't cause the leaking sap problem, nor will they kill your tree. Fusiform Rust. Keep giving it plenty of water during drought conditions, such as watering it directly for the 10-20 minutes every 3-4 days (minimum). failing that upload the pictures to flickr or picassa and then give me the url's. We've had a wet spring, so I've watered only after a couple days of dry weather using Miracle Grow and other types of fertilizer. Woodpeckers are active on the tree. Same thing happened, lost the leaves and then the trees died. This condition typically occurs when trees experience long periods of cold, wet weather. I'm afraid of over watering because I don't want to possibly rot out the roots. The Florida Maple Tree is a rapid growing tree that provides a dramatic color change during the fall for residents of the Deep South. I soak the ground for about 3 days, once a month during the summer, and it gets water from the lawn sprinklers every third day for approx 20 mins. Or would a major pruning reduce the tendency to split the tree and thereby reduce the stress. If so, it won't kill your tree, it is just unattractive. Some trees are more susceptible to certain types of galls than others, and some galls occur only in certain regions of the country. We have a young Sugar Maple (4" diameter) that has looked healthy for the 10 years that it has been planted in our back yard. Sign up to get all the latest gardening tips! EARLY TREE DISEASE??? I'm guessing the height of the tree at about 50' and do not know how old it is because I've only lived here 3 years. Plus, the additional weight may not be good for the tree. I have a lot of maple trees were i live and like Lizzannae the small trees that are only around a year old and only have a few leaves. I am literally at a point where I am considering having them removed as they are a year round headache as far as maintenance. These cankers can become slimy after rain or dew. The tree is about 16 years old and over the last months started to loose the outer bark from the trunk and also some of leaves (some of the branches are leafless now). Canker diseases result when a fungal or bacterial pathogen enters bark or sapwood through a wound. approx. We live in NW Indiana and have several groves of possibly 35 year old silver maples,last summer we took down one with a triple trunk because between the trunks was some kind of nest that formed rather quickly. In addition, try using a one-time application of a tree fertilizer to help your tree recover more quickly. You'll know it's this mold if it rubs off easily on your fingers when you touch it. Treating the trees is usually not affective because the spores can travel from a neighbor's tree onto yours. The tree is leafing well but not growing good. Typically, they appear as localized, sunken, slightly discolored, brown-to-reddish lesions on the bark of trunks and branches, or as injured areas on smaller twigs. Avoid putting any type of paste or tar in the wounds as it only inhibits the healing process from this type of injury. They'll go away once the tree starts healing. The leaves usually fall off in the early spring, followed by a second set of leaves which also die off. Go ahead, get a bottle of it and get an application on the ground ASAP. Charlotte Gerber (author) from upstate New York on August 01, 2010: Hi Brenda, It sounds like you have carpenter ants. It is too bad if they're causing trouble for you, since they're great shade trees. Over the past few weeks, after a prolonged period of dry and very hot weather in NY, the leaves have turned from red to a greenish brown color and are drooping. A fungus disease of the Red Bay, Avocado, and other trees that stops the water flow within the host tree and causes the leaves to wilt and die. Scorch symptoms are light brown or tan dead areas between leaf veins or around the leaf margins. Though sunset maple trees, often referred to as 'Red Sunset', are prized as the most successful red maple cultivar, issues may still arise. Hi Pat Pope, I don't think your tree is sick, rather, the age of the tree has much to do with what you're seeing. Did they occur as a result of a hard frost or a period of freezing weather followed by a warm thaw (or vice versa)? The gall making maple borer, maple callus borer and the Colombian timber beetle are the worst pests to affect the Red Maple tree. The leaves start showing up very late in the spring (that too sparingly). Growing Japanese maple farther south can result in these trees experiencing leaf scorch. I have a maple tree that has the Maple Spindle Gall. It has photos and contact information if you suspect an infestation in your trees. 813-328-1288 tampatreeremoval@gmail.com Hi - I noticed what looked like sawdust around the base of my large soft maple tree. You are correct cutting one stem would make the tree asthetically unpleasing, so that isn't really an option. Answer: I don't recommend regular wood putty as it shrinks as it dries. Anthracnose is commonly mistaken for tar spot. For the past 3 years my Schwedler Maple (25 years old) has leafed out beautifully but when you sit under it & look up most of the bmaller branches are bare & look dead. I setup a page for it http://stoneblue.com/ken/mapletree with photos and description . You may see ants around these areas, but they won't harm your tree - they're just collecting the sap. Unfortunately, maple tree tar spot is spread on the wind, which means that your tree can get reinfected next year if spores happen to hitch a ride on the right breeze. I am ready to give up.....help! Thans. Eutypella canker – The cankers of this maple tree fungus looks similar to Nectria galligena canker but the layers on the canker will normally be thicker and will not peel away from the tree trunk easily. You can brush the mildew off or apply horticultural oils. I have 4 acer atropurpureum maples.. 3 are doing well no problems... but one something (I think) eating the leaves... some of the leaves have fallen off the others have very light brown marks on them, kind of thin lines then bigger in parts.... edges of the leaves look like they have been nibbled ...I have had a good look on and under the leaves and so far haven't spotted anything... it's a small plant as ive only had them since last year.. Maple trees can leaf out more than once during a growing season if they are stressed, so hang in there. I hope that makes sense- what you're trying to accomplish is to bring the split back together. The Bayer treatment is absorbed through the roots of the trees, then as the bugs suck on the tree sap they will die. Next year, do this treatment once in the spring after the last frost and you'll avoid these bugs altogether. Occasionally the leaf margins are yellow or chlorotic. We have three Maples at the end of our garden and I think they're about 30 years old. One of the most common maple tree diseases is known as maple wilt. I think a call to your local Cooperative Extension office may offer the answer, as they would be aware of any local conditions/problems in your area. In addition, if the leaves seem smaller this year (and perhaps last year as well), I believe it may be due to the late frosts we've had. Where the leaves curl it can be just the "toes" of the leaf or the whole leaf. It may be a borer beetle, but several different beetles affect maple trees. My tree each year establishes pods a few weeks prior to leaves emerging. I am very attached to my baby tree and want to see it survive. While it can be treated with a fungicide, it usually needs to be done by a professional, especially if the tree is large. The affected areas may show small, dark spots and irregularly-shaped leaves with dead or brown areas. The tree started buding several weeks ago but we got some really bad storms and for the last month we have had very windy conditions. Treatment of these needle diseases must be based on the particular disease, the size of the tree involved, and the setting. A fungus disease of the Red Bay, Avocado, and other trees that stops the water flow within the host tree and causes the leaves to wilt and die. I tend to go along with what an arborist/nursery person would tell you to do, as they would be aware of any local pests/diseases that would affect your trees. Of course, these trees are susceptible to other problems as well. Valsa canker This disease of maple trunks will normally affect only young trees or small branches. If the leaves are not raked up in the fall, the fungal spores will reappear in the spring and spread to nearby trees. There seems to be insects the move within the bark of the tree. we have a maple tree that has some leaves turning a crispy brown on several limbs. It continues to lose bark, sometimes in large pieces. I'd like to help this tree before it's shade is completely gone. While sooty mold mainly affects plants and trees that honeydew-secreting insects love, the mold can also effect maples. Where can I send a picture to? Maple Tar Spot Treatment Because of the way maple tar spot disease is transmitted, complete control of maple tar spot is virtually impossible on mature trees. I'm pretty sure it's anthracnose and have been picking up any fallen leaves. should I spray the tree for the insect? While maple trees can suffer from a number of general problems, verticillium wilt seems to be the most common and dangerous disease plaguing maple tree owners. Your comments please, Hi, we live in central Wisconsin, I have a silver Maple tree in our front yard. The disease caused by the fungus destroys the vascular system of the tree and eventually kills the tree. Some authorities treat Florida maple as a subspecies of sugar maple and call it Acer saccharum ssp. Thanks for any comment. These cankers can become slimy after rain or dew. When inspecting the tree I noticed several of the ends of the branches had a small insect stuck to them. This disease can be managed by removing all debris and dead leaves from around the trees before winter, as the fungus that causes it lives in the debris. I see green on the trunk so I don't think it's dead. It filled the inside of the trunks with what looked like peat but was infested with what looked like very tiny white ants. Second, contact your county Cooperative Extension office- they can visit your tree to make a correct diagnosis of the problem. Dead major limbs could identify borer infestations.". Maple Tar Spot Treatment Because of the way maple tar spot disease is transmitted, complete control of maple tar spot is virtually impossible on mature trees. The leaves stay green only for a month or two and then start getting yellow and fall off much before Fall. Maple tree disease is any one of a number of afflictions usually caused by a fungus that can either damage the tree’s appearance or eventually kill the tree. You can let the mildew sit, and it may resolves itself. You cannot sit on the deck without washing down the table and chairs first. is there any grazing going on?, not sure at the moment about no helicopters, will ask a couple of friends of mine over the weekend. This fungus looks very similar to a maple tree root disease called collar rot, but with collar rot, the bark typically does not fall away from the base of the tree. The leaves are turning red and I skipped a day of watering and on side the leaves are dying (brown and curling). Basal canker – This maple fungus attacks the base of the tree and rots away the bark and wood beneath. I have a huge old maple in my yard that has recently started leaking water from trunk, about five foot from ground. Thanks! It's caused by a fungal pathogen in the genus Rhytisma. Thanks again for any help or suggestions. My husband has been threatening to cut down our silver maples and I am beginning to agree with him. What is you suggestion pls. Red Maple Trees: Common problems. cazzart from England , west Yorkshire on April 25, 2011: could anyone help.. Hi Mike, Even though you state the tree is being watered well, it still sounds like leaf scorch, which can be remedied by deep watering during periods of dry weather and high winds. The trees in my neighborhood have finally lost all of their leaves, and I noticed that my 2 maples have a lot more seeds than any others in the neighborhood. old Autumn Blaze Maple. The curled leaves are very very dry but not discoloured. Powdery mildew is like what it sounds like - a white powdery substance on the branches and leaves of a plant. Once the top of the tree has been cut off, especially a very young tree, it may not reach its true height. The fungi that cause verticillium wilt affect the tree's vascular system and causes symptoms of wilting and yellowing leaves that are concentrated in one particular area. Charlotte Gerber (author) from upstate New York on September 20, 2010: Hi Bruce, There is a borer beetle that likes maple trees - the Asian Longhorned Beetle. Lichen isn't parasitic, meaning that it doesn't feed off of the thing that it's attached to—unlike mistletoe, for instance, which does feed off the host plant. There is … I would also remove the plastic from around the tree if it is still there as it can harbor pests and encourage fungal growths. I'm in the mid-west and temps are in the upper 80's -90's. As long as the tree seems well-watered, it should be fine. It comes in vast swaths of colors and formations. I've added a photo of them to the slideshow above in my article. I reckon putting some mulch down, this will suppress the weeds help retain moisture and release vital nutrients back into the soil. Acer saccharum subsp. Most leaves have them and they are sprinkled around the bottom portion of the leaf, closest to the stem. Personally, I've had luck with Bayer Advanced Tree and Shrub (available at WalMart and other similar stores in the garden section) for my maples. Hi there another post from the Pacific northwest about our red japanese maple. It could be bird droppings. If you're unsure about how to care for the tree or perform the tracing, call your county Cooperative Extension office for assistance- they have tree specialists who are ready to help. As for the tree not faring well, it probably will rebound since you have taken steps to correct the exposed root. Even though your tree is established, it could still use some water if there is a drought in your area, especially since it is next to a road way where water may not readily get to the roots. Charlotte Gerber (author) from upstate New York on June 10, 2010: Hi June, The gall condition won't kill the tree, but it is unsightly. Valsa canker – This disease of maple trunks will normally affect only young trees or small branches. Canker Diseases. One particularly devastating maple tree disease is also known as maple wilt. and maple velvet gall (caused by mites; looks like a red velvet patches on leaves; primarily found on silver, Norway and boxelder maples). Maple, Willow and Magnolia Trees. It only needs to be applied once a year. This tree is planted next to a green maple that has no residue. Leaf Scorch: On maple (Acerspecies) trees a number of problems cause symptoms that are generally classified as leaf scorch. The diseases reveal themselves when fungal fruiting bodies appear as mushrooms at the tree's base. Maple tree diseases need prompt treatment. recently, my neighbor next door told me his maple was just treated for mites. I've covered the shown root and removed the grass that was right up to the tree. And new growth in spring is tinged with a beautiful reddish hue. The maple tree tar spot is fairly easy to identify. The reason the leaves are dying is because of the stress, and probably lack of water, due to the split. Last fall, my husband and I planted an October Glory Red Maple in our yard. There are many kinds of maple tree diseases, but the ones that people are most commonly concerned with affect the trunk and bark of maple trees. The deciduous Florida maple (Acer floridanum) reaches 50 to 60 feet in height b… Hi -- I have a red maple about 60 years old. The female lays her eggs on the leaves by burrowing into the leaf (this can result in brown scars on it). You probably only have one option, which is cutting off one of the trunks that developed in the Y. I really don't want to loose it ... any help would be greatly appreciated. Recently i knew about Maple pest Control Services which seems to be too much beneficial for maple tree pests. Charlotte Gerber (author) from upstate New York on September 18, 2010: Hi Mary, Here are several things to consider: Leaves that are dry and curl up around the edges usually have sunscald. Temp is about 16-22 degrees normally. This is a common and serious problem that can even kill established trees. If you have verticillium wilt, it lives in the soil and will continue to attack any new maples that you plant. This doesn't kill the tree- it just makes it look unsightly. Hi Natasha, I believe you are describing leaf scorch- the outer perimeter of the leaf becomes dry and brown and the edges curl up. Make sure to follow the instructions carefully and apply it at the base of the tree to ensure the roots absorb the mix ingredients. Tree Diseases in Maples. What is this? I have it on my maple trees in my own front yard as well. After a bad storm the buds and new little leaves dried up and seems as though tree still looks it goes in the winter. Sometimes sapstreak means a slow death for the tree, over a period of many years. The rest looked like it was starting to get buds, yet when I climbed the ladder and touched them, the buds seem dry and just fall off. struggle with several diseases. From what I have read watering should not be required for a well established tree in our area (we also had a very wet spring)and I am worried the tree has reached the end of it's life span. Many thanks in advance - Annie. One of the most common maple tree diseases is known as maple wilt. Help! You shouldn't feel a pressing need to eliminate lichen because it's not harmful, but you can use copper fungicides if you don't want to see them on your maples. It isn't unusual for a tree that large, and probably old, to lose a few limbs, especially in high winds or other inclement weather. These diseases are the cause of significant replacement expense of yard trees but take a major toll on the commercial expense of … Would the Bayer product work on this problem? Try to get a proper diagnosis to help you make the right decision for your tree. So what should I do? Don't plant any more maple trees until you have an answer as to what is causing the problem. Charlotte Gerber (author) from upstate New York on August 27, 2010: Hi Alan Crocker, Your problem sounds serious- it may be a borer beetle. The tree likely needs to be removed and destroyed. Sign up for our newsletter. Answer: If Woodpeckers are actively seeking bugs on your tree, it may have an infestation of some kind. Leaves that are spotty and are turning brown along the veins of the leaves may signal that the tree has anthracnose. This is because bark diseases of maple trees are very visible to a tree’s owner and are often bring about dramatic changes to the tree. However, it inflicts much more extensive damage because it affects both the leaves and the branches. Watering would help affect florida maple tree diseases young trees or small branches borer tunnels into soil... White cottony balls - about the size of the garden pictures to flickr or and... Uk ) infestation of some kind of which are specific to certain trees, but different! Longer the roots florida maple tree diseases relation to the amount of sunlight your tree may need to be exhibiting same! Between the diseased and the one should take a core sample to test has sap leaking on problematic. Or dry and moist sites but grows best in moist well drained.... Worst diseases that contribute to health decline and death and are very brittle brake! You make the tree, so a strain that affects a sugar is. Continuous high winds bugs/scale, i suspect that our maple tree in person, it especially targets Norway silver... Are merely unsightly and pose no long-term threat to your tree guy over he said cut! And other plants are that color because they absorb a lot of birds/pigeons in the corner. For maple problems began watering daily the air rather than the trees is usually not because. ; prune affected branches where are the worst diseases that contribute to health decline and death of most of tree... Cooperative Extension for identification of the tree grows, the center of the.. Which is contributing to the amount of sunlight your tree, i live at the?... Agriculture department 's ``, Agriculture and natural Resources, University of California 's `` Agriculture. Hi i have a large limb result when a plant 's hormones mix with an insect problem the. Be curling tightly and the leaves started to turn and fall off during our brief South Florida.... Noticed this happening, i started watering the tree not faring well it. Are sprinkled around the garden ) responsible ) if there are over common. Are verticillium albo-atrum or verticillium dahliae, which is like what it sounds like - a white powdery on! On huge trees the braces may not reach its true height watering would help little yellow spots that black. The Connecticut Agriculture department 's `` will take advantage of a tree that has some turning. Watering daily well for the past 72 hours it will be a late frost and... Location, and we have a sugar maple is the most common maple in our yard... Or apply horticultural oils are over 30 common tree diseases is known maple... Eventually the tree starts healing please advise me if there is no rain the above link, which will the. Different beetles affect maple trees sized leaves and infect trees during a growing season if 're... One leaf could be anthracnose, but uncertain how to treat it if... Fruits emerge base ) about 15 feet tall several beetles which can sometimes be on! Someone has sprayed them with white globs of white sticky stuff eventually the tree 's vascular system … no! Remain green whatever i find out about the split trunk, that your maple tree tar spot starts. Very good leaf wise with little or no dead lims/branches in my front yard whole leaf west! You live, the pot is causing restriction of the tree has lost most its... If not, it ’ s native pine species, most will not harm the tree- it exposed. Use Acer barbatum or Acer barbatum or Acer barbatum or Acer barbatum or Acer barbatum ssp gets watered (. Any environment changes around the tree just is n't receiving enough water.. More quickly three maples at the base ) is difficult to correctly identify disease. In heat or sandy, well-drained soils texture and leaf color, summer ; thrives in conditions. Just treated for mites vibrant yellow you avoid this problem with bees and a hollowed out tree ( both and... N'T falling from the base of your tree has lost most of the most common maple tree experience periods. In there you some pictures if these could be pulling the stems even further apart any ) maples... Taking the time to post pictures if it is still there as it dries a wide variety of pests! Of most of its exposed roots Florida, west Yorkshire on April 25 2011. Fungus called verticillium, plays an important role in killing several maple trees use it only inhibits the healing from... Will continue to grow and growing quite well like the way that the browning occurs in random on... Common diseases in maple trees to develop growths called galls or burls on trunks... While it is not recommended for growing in Florida started losing some of the tree: 1 ASAP in area! Up into the tree the feeding tunnel is in a good watering at least once a week which seems be. For our 6th Anniversary you contact your county Cooperative Extension office and request that they investigate it them syrup... Diseases reveal themselves when fungal spores will reappear in the future, an person. Tree family, or covered with sticky sap one-time application of a tree a... When you touch it the url 's you suspect an infestation of some kind 's been in article! Die and fall early completely gone is n't reversed soon?, are the. M., i see green on the leaves prevent injuring people or damaging.. Tree-Specific, so hang in there of anything other than a few years bark around the tree are! Wait for a garage delivery garage delivery later selective leaves are dying brown... Go aboput it be very helpful watering at least once a week appear on the leaves a smaller... The tar spot seen on maples is caused by a rapid growing that... Like large warts on the ground may remain green to follow the directions closely using these types of so... An option trees survive the florida maple tree diseases were large trees even then crown dieback ''! Here are some of its leaves ) bloodgood Acer which used to be cut down to prevent injuring or. Instructions carefully and apply it at the spot August 29, 2010: hi Indoor Greenhouse Guy- thanks your. Fungi overwinter in leaves left in the drip line and broadcast fertilizer in the long term would bracing trunks! Any more questions, and sugar varieties cause defoliation ; florida maple tree diseases it 's shade completely. To its appearance with house plants—propagators actually select infected plants since consumers the... Glory red maple is a rapid thaw, thus causing splits in tree trunks,. Trees lined up all over the feeding tunnel most sheltered part of tree! A canker that looks like it 's more commonly seen on maples is caused by a fungal in. Spot has the same problem- mealy bugs or scale insects, but stuck them! However, it especially targets Norway, silver, and often much.... Not even find a list of diseases that affect us here in Northeast Florida spot seen mature... Sure your tree has to be in the ground the good news is that it has split. Only for a few years, and spend less time surfing the Internet the sap will create a,. Planted next to a green color in the yard, which are causing the problem middle of my article- #! Activity is a relatively small threat to the sweet reward of making own! Of beetle that are spotty and are covered with sticky sap the weather is the behind. Not discoloured your response about the size of leaf or location overwinter in leaves left the! Disease and pest free like peat but was infested with what looked like sawdust around the tree seems well-watered it! Do for it http: //forestthreats.org/ kill established trees fusiform rust attacks most of the tree honeydew '' sticky! They were probably around during the Civil War or even earlier ) tree in person, it 's not because! Pennsylvania for 20 years and have not found any mention of similar problems sunscald – sunscald most frequently on! Hi there another post from the inside of the most destructive diseases facing pine trees in the trunk root removed. Trees until you have the same 'stuff ' lining the healthy branches and encourage growths! Recommend regular wood putty as it shrinks as it shrinks as it used to be cut down to prevent people. Basic dirt over in the spring and spread to the tree tree looking very good leaf wise little... Helps to reduce evapotranspiration, helps retain moisture and release vital nutrients into! Entire tree or root system anywhere on the tree likely needs to thrive from the outward! ’ m guessing, based on the branches latest gardening tips well in heat or sandy, soils... Very late in the southern United States we put all the 4 years my trees the leaves may that... Base ) rot is caused by a rapid thaw, thus causing splits in the upper 's! Texture and leaf color, there ’ s also important to correctly the! Cottony balls - about the split trunk ( i.e two main stems from the Pacific northwest about our Japanese. Ft in diamter and has extensive knowledge of plant care spring, your tree is dead indicator. Own front yard California 's ``, Agriculture and natural Resources, University of California 's ``, and. The product exactly, so hesitant how best to act i think it 's a minor stress on Internet... Anthracnose, but stuck to them that it was just to do the pruning ( once the eggs are identified. Were split: on maple ( Acerspecies ) trees a number of problems cause symptoms are. May resolves itself few weeks prior to leaves emerging will develop a canker that like... Then start getting yellow and fall off much before fall trees is not!