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.. 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. we have had drought problems for a few years. I am very attached to my baby tree and want to see it survive. Tolerates urban conditions. You are correct cutting one stem would make the tree asthetically unpleasing, so that isn't really an option. The new Jamestown maple has brilliant red foliage in fall. Any ideas why? 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. Heart rot will literally rot away your tree, in many cases destroying a tree within a season or two. Your tree(s) should recover if it is kept well watered during drought conditions. The ants aren't responsible for your tree problems though- they're just the cleanup crew when there is honeydew (caused by a tree injury). Thanks! The insect is dead, but stuck to the ends where the leaves had died off. Finally, lots of dead leaves that aren't falling from the branches may signal verticilium wilt, which is a devastating tree disease. Call an arborist immediately. In the meantime, make sure your tree gets watered weekly (minimum) if there isn't any significant rainfall in your area. Woodpeckers can hear insects under the bark and in dead wood, and that is what attracts them. Disease, pest, and problem resistance This hybrid has the strong branch attachment of the red maple and fast growth rate of the silver maple. failing that upload the pictures to flickr or picassa and then give me the url's. Hi Jeremy, Maples have had a really tough year, and many had it rough last year as well. The leaves are turning red and I skipped a day of watering and on side the leaves are dying (brown and curling). 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. Good tough tree for Midwest climate. Suggested Use: Shade Tree, Street Tree, Rain Garden. Unlike many of the items in this article, scorch isn't caused by a bacteria or a fungus, which also means that it's not infectious. I have a huge old maple in my yard that has recently started leaking water from trunk, about five foot from ground. After any windstorm there is always a plethora of these small dead branches scattered on the ground. Two trees (Same Size) 2 1/2" trunks 12' -14' tall were planted two seasons ago within 20 miles of one another. But when we opened the box the trees (2, Red Maple Shade Trees) looked great. Next, I would make sure that the tree gets enough water if you don't have a lot of rainfall- your tree will need this kind of TLC all summer. Thanks. Borers. Around late May, after a very wet spring, he noticed that it was developing spots. After a bad storm the buds and new little leaves dried up and seems as though tree still looks it goes in the winter. Keep giving it plenty of water during drought conditions, such as watering it directly for the 10-20 minutes every 3-4 days (minimum). The fungus enters through the tree's roots. Now, about 4 days later selective leaves are curling on the tree. Lee Curtis from London, UK on March 20, 2011: New constructions near established trees sometimes affect the tree, compaction of the soil. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Leaves that curl around a dead-looking brown spot, tan or brown spots near the leaves' veins, cankers, dying young branches, and premature leaf loss. I've added a photo of them to the slideshow above in my article. Trees usually recover from this condition when they're heavily watered (10-15 mins) every 3-4 days when there is no rain. Call your local Cooperative Extension office (your county office will have their number), and ask if they can help you identify what bug(s) are attacking your tree, and if the tree needs to come down for safety reasons. Phytophthora root rot is caused by a wet spring or leaving your maple tree in poorly drained soil. There are red/black dots on the top of the leaves also (looks like your maple bladder gall pictures) but we have had that in the past. The disease continues when fungal spores over-winter in dead leaves and infect trees during a prolonged wet spring. Redpointe® Maple (Acer rubrum, or freemanii) Origin: J Frank Schmidt & Son Co. (OR); parent species native to MI . Does the wood look shredded or dry and easily scraped away where the bark/limbs came off? Acer × freemanii, commonly called Freeman maple, is a hybrid of red maple (A. rubrum) and silver maple (A. saccharinum). To counter this, try using a mild fertilizer (I use Bayer Advanced Tree and Shrub)- you only need to use it once a year. So, if you wanted a large, shade tree, you may want to replace this one, or just move it to another area of your property where looks/size aren't as important. It may also be aphids on the other tree causing the sticky honeydew you are describing. The inner part of the leaf around the veins may remain green. Hi Patty and Sally, I think the two of you have the same problem- mealy bugs or scale insects. The excellent grower elevates at a stellar rate of 3 to 7 feet per year, making it a great choice for homeowners who can’t wait for a 'heightened' yard. We have a separate bloodgood acer which used to be in the far corner of the garden. As time goes on, the fungus eventually affects the outward portions of the tree, such as the branches and leaves. We have a very large 40-50 year old Norway maple in our back yard. The other halh of the tree is what I believe to be dead. On the same branch one leaf could be curling tightly and the one adjacent could be perfect. My husband did tree spikes in the drip line and broadcast fertilizer in the fall. Less susceptible to chlorosis symptoms (yellowing leaves) than red or silver maples. Like all maples, Celebration® Maple can develop Tar Spot fungus ( Rhystima spp. The Firefall Maple Tree provides a great red fall color and is seedless. Bug varieties differ according to location, and I'm not an entomologist. On the south side of the bark it has a vertical thinly split region about 2 inches long with the bark around this sore turning black, and evidence of sticky maple dripping down the trunk under it and two feet down to the mulch below, where there are lots of tiny ants moving all around and up the trunk itself. I was told it could be Anthracnose, but uncertain how to treat it or if it is treatable this late in the season? While it can be treated with a fungicide, it usually needs to be done by a professional, especially if the tree is large. Under the branches are little white cottony balls - about the size of an eraser. I don't see any damage to bark or any sign of insects. Question: It is mid-April, and we had to trim some branches from our maple tree for a garage delivery. Thanks in advance, Jeff in central valley CA. It prefers well-drained moist, acidic soil in the full sun to partial shade. I'm guessing it may be due to the late frost this year, which affected maple trees just about everywhere. The fall color lasts longer than many other maple trees. Charlotte Gerber (author) from upstate New York on October 08, 2010: Hi Hunter, If the spots are white and fuzzy it is probably leaf spot fungus. Extra watering during droughts can help you avoid this problem. The second has deep red/purple leaves that now has little yellow spots on the leaves. As for the tree not faring well, it probably will rebound since you have taken steps to correct the exposed root. It was first registered in 1985. It makes an excellent shade, lawn, or street tree that can tolerate heavy clay soils and even occasionally wet soils. If the spots make an appearance next year, you could spray the leaves with a fungicide; contact your county Cooperative Extension office (in the US) to find out what fungicides are allowed in your area. old Autumn Blaze Maple. 13 Common Maple Tree Diseases, Problems, and Pests. Any advice that you can offer would be helpful. Hi Theresa, Are there other trees, specifically maple trees, in your neighborhood that are exhibiting the same problem? Your tree may have much more extensive damage inside, if the carpenter ants have made an appearance. 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. Some people have claimed to have success with pesticides and miticides, but this remains to be scientifically proven. 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). If so, do you have a recommendation for a young tree planted in full sun and exposed to high winds? Powdery mildew on a soy bean plant. The leaves usually fall off in the early spring, followed by a second set of leaves which also die off. In the late fall you may want to prune any dead branches, if that is what has happened to that side of the tree. This typically happens at a spot where the insect feeds on the tree. It doesn't seem to have any long-lasting effects on the places where it grows. Just to be clear about the symptoms of leaf scorch- the outer perimeter of the leaf becomes dry and brown and the edges curl up. I don't know much about trees but I'm worried about them. Hi -- I have a red maple about 60 years old. Charlotte Gerber (author) from upstate New York on August 08, 2010: Hi Peter, You could brace the tree- what you would need is a brace for each side of the tree, so one would be gently pulling one side of the split to bring it together, and the other would be pulling the other side of the split. Any thoughts? Make sure your tree gets plenty of water during drought periods this year and perhaps use a liquid tree fertilizer or tree fertilizer spikes to help it quickly get over any stress. It is best to trim the roots and limbs when the tree is in a dormant stage (early spring and late fall after the leaves have fallen off). Hi Peter, I'm not sure exactly what caused the death of the other maple you spoke of, but unless the Japanese Maple is exhibiting the same problem, it probably isn't related. Please help as I do not want to lose these wonderful trees. Otherwise, problem indicators you should look for include insects and insect damage, and cracks or other damage to the bark of the tree- these indicate other problems that would require treatment. Each leaf unfolds from a red petiole. The trees have always been healthy, dark nicely shaped leaves and beautiful and they appeared to have the same amount of leaves as they always do. The leaves have numerous small holes in them as if they are being eaten by insects. Leaves mature to medium green above and silver-gray beneath. I haven't seen anyone else here with this problem. Due to the huge wind we put all the trees and plants together in the most sheltered part of the garden. The Sienna Glen Maple tree is a naturally occurring hybrid found on an abandoned farmstead in Lake Elmo, Minnesota. You can get this product at places like WalMart, Lowe's and other similar stores or garden nurseries. It has photos and contact information if you suspect an infestation in your trees. they just stay on the limbs too. There are three silver maples in my front yard that have recently developed small (not more than 1mm diameter), pointy black dots on their leaves. is there any environment changes around the tree and its canopy or root system? Winged brown insects that are about the size of a nickel or smaller, Large number of varieties; usually look like black, red, brown, or green abnormalities such as a pimple or a needle. If your tree has these spots, which then causes leaves to curl in mid-July, it may have a different disease called Anthracnose. Thanks! is arrested and recovery ensues, even in trees with more than 40 percent crown dieback." -zones 4-8 -Hybrid of 2 species, both native to the Eastern and Central U.S. As with both Silver and Red Maples, hardiness of Freeman Maple will vary with seed source. Anthracnose is commonly mistaken for tar spot. Last fall, my husband and I planted an October Glory Red Maple in our yard. The holidays bogged me down! One must always supervise each plant and look … The insects look a bit like a musquito. 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. The fungus then inches upwards from the root system and infects the trunk of the tree. It is too bad if they're causing trouble for you, since they're great shade trees. This Spring only about 25% of the tree is leafing out. Dear Bella, It appears that you are the one should take a hike. This tree is planted next to a green maple that has no residue. Charlotte Gerber (author) from upstate New York on July 04, 2010: Hi Pat, Sounds like you have mealy bugs, which are sucking insects (I just added a photo of them to my slide show - slide #9). Basically, what I'm trying to find out is whether I have an insect problem or the tree isn't receiving enough water.