The leaf spots sound like early-stage tar spot, and probably irrelevant. It is helpful to prune affected limbs as soon as symptoms are evident. Maples can show several different leaf-spots that are usually brown, scattered all over the leaf and sometimes join together into larger areas of dead tissue. At least 20 are attacking our native trees, with six reaching epidemic levels. Then, they progress to the black spots on the leaves you see above. Had a tree guy over he said to cut it down. Why has my red maple leaves turned green and no longer have the dark red color. It sounds like tar spot – which, as discussed in the blogs and comments, is basically harmless. As time goes on, the fungus eventually affects the outward portions of the tree, such as the branches and leaves. We have a 30+ year old Norway maple that sprouted most of its leaves in the spring but never matured to full size. Trees planted in February are : Jacaranda, FL Maple, and Angel Trumpet. Woodpeckers can hear insects under the bark and in dead wood, and that is what attracts them. Maple trees have single leaves, while ash have several small leaflets on a central stalk. Spraying citrus trees including limbs and trunks with fungicide will also control Root Rot. The wood area under the bark apears dry and has pin holes showing. They don’t cause long term harm, but they do look unsightly! At times yellow spots can also be detected on the lower sides of the leaves, which are caused due to rust. I live in Columbus Ohio and I have a beautiful sugar maple in my front yard. leaves all over are curling and leaves feel papery. Currently, there are several beetles which can kill maples and are considered a threat by the U.S. Forest Service. Verticillium tends to strike on single limbs, not all over. Try root feeding with tree fertilizer – you will need to hire an arborist to do it, who might also be able to give you a better diagnosis when he or she sees the tree. The fungus winters-over on fallen leaves. It is too bad if they're causing trouble for you, since they're great shade trees. It is hard to keep these trees fully variegated. Is the tree just dropping some leaves to get through the dry period. Thans. Identification: Black spots that range in size from a pin-prick to size of a half dollar (4 cm).Some reports say that the spots can get as big as two inches. Any ideas as to what's happening and how I can fix it? One in the front yard. It is definitely a Sensation maple (Acer negundo) – when I say variegated, I mean that there are usually up to three colors on the leaves during growing season (i.e., red or rusty, green, yellow), and each spring/summer, the colors are slightly different than the previous season – for example, sometimes early spring brings red or rusty leaves within green leaves. Live in northwest corner of Iowa. A couple years ago we planted 2 October Glory Maples here in TN. The fungus spores will winter over in the dead leaves on the ground, so rake up the leaves in your yard if you don't want it coming back next year. Fortunately, it's not harmful because it feeds off of the air rather than the trees. I fear that they might be ill and are sending out seeds in a desperate attempt to leave a new generation behind. I've added a photo of them to the slideshow above in my article. In very early spring I noticed red-brown sap on some branches which have now died off. from there it spreads all over the leave, main veins first afterwards the green between the veins. I’m hoping that the wetwood was caused by a winter freeze crack, and that the leaf wilting could be due to insufficient watering (I’m starting to water it twice a week now). 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. So what signs might be telling you that your maple tree is in trouble? Are we over- or under-watering? Scorch symptoms are light brown or tan dead areas between leaf veins or around the leaf margins. While it can be treated with a fungicide, it usually needs to be done by a professional, especially if the tree is large. As the galls grow, the red maple will experience a loss in vigor, which will result in growth stunt and overall weakening. 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. 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. My husband gave me this tree for our 6th Anniversary. Where the leaves curl it can be just the "toes" of the leaf or the whole leaf. It started developing leaves this spring, but although it’s covered with green leaves, it has hundreds of shriveled up tiny brown leaves and scaly brown bumps on the branches that fall off when I touch them. I'm not sure how big this particular hole is- but you can also use pruning wax (available in a can) for filling holes that aren't incredibly huge. The ground in the spring was extremely wet up until mid to late May near the tree. 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. Google some images and see if it looks the same. It can also affect Japanese Maple. If the rest of your tree looks okay, I suspect that it was just to do a late frost. You will need an arborist with the root feeding equipment. You are correct cutting one stem would make the tree asthetically unpleasing, so that isn't really an option. I'd like to help this tree before it's shade is completely gone. It comes in vast swaths of colors and formations. Your tree should rebound by mid-July; maple trees are generally very hardy. Without seeing it, the growth sounds like lichen – that would usually be on the north side of the trunk. 30 years old, 14 inch trunk. He said to deep water it for a couple of weeks and I have, every three days, along with the normal daily lawn watering. 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. I have a sugar maple that is 60 feet tall. Is it a fungal problem? Hi Siv Low, I think your trees, along with most other people's trees in the U.S., suffered stress with the unusual spring (with a late frost) we had this year. The eggs hatch into pale yellow-green crawlers in late June or July and migrat… Their size ranges from one-eighth of an inch to an inch or more in diameter on the Norway Maple. This sometimes causes a flush of new growth in the trunk, which cuts off the disease further inside the tree, where it can’t do any harm. This is not a disease but the result of too much sun, often combined with lack of water. If you Google it you will see many photos to confirm that. When I scratched the surface of the exposed inner bark,orange dust came off. Cypress Canker is a tree disease most commonly found in Australia, but also in certain parts of the United States. I have a silver leaf maple. If you decide to keep them, here is what to do. It looks like it has lichens on the trunk. Repeat next spring, just before bud break. Calling the nursery early in the year, I applied fish fertilizer, and the leaves that were there brightened, and thickened, but no new leaves on those problem branches. any way to save it? I purchased some nice 12 foot trees last fall and planted them. All the branches that had sap on them had died and there were definite wounds and splits on them, these were on lower portions (roughly 5 ft. from ground and above) and were removed about a month ago. I think you have a Crimson King Maple, if it has purple leaves, but I have never seen white spots on it. Use them in commercial designs under lifetime, perpetual & worldwide rights. it is the only shade tree they have. Also, I'm curious as to why one tree sprouts pods (Problematic Tree) and the other one doesn't given the trees are approx. I’m not sorry as I hate the tree. If the upper crown remains healthy, I would go for natural die-back as the cause. Finally, lots of dead leaves that aren't falling from the branches may signal verticilium wilt, which is a devastating tree disease. This is more likely on trees that have a divided trunk, from the ground, or from low down. These can be very small or up to ½ an inch across. Older maples tend to leaf out on the outermost part of the branches, while the inner parts of the branches have fewer leaves and small branches. Ideally the leaves in fall should all be collected and destroyed – not composted. The most common – and least important – problems can be seen on the leaves. Find the perfect tree gall disease stock photo. If that would make the tree aesthetically unpleasing, you probably should just cut down the tree. I'm pretty sure it's anthracnose and have been picking up any fallen leaves. Thank you. Hi Patty and Sally, I think the two of you have the same problem- mealy bugs or scale insects. The spots first appear as small yellow spots in June. This means the mower guy doesn’t have to come anywhere near the trees, and it will also conserve moisture and provide some nutrients. In a few years the crack and the washers will disappear beneath the bark. Maybe you can get hydro to take it down for you and plant something else, if it dies? 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. Its has the appearance of looking sick and waning. I read most of the comments above and have not found any mention of similar problems. Apart from tree diseases that affect the leaves, trees can also be affected by pests, fungi diseases and other damages. Larger trees like that can often go through some transplant shock for a couple of years, before settling down. Cut some younger branches with dead leaves and slice at a sharp angle through the stem. This is another fungus disease, usually caused by an organism called Erysiphe. What should I do? They do no harm to the trees, and the incidence of them varies from year to year. is there any environment changes around the tree and its canopy or root system? If there is, remove it, and trim the edges back to clean, white bark. I planted a Florida Maple tree that I bought at a nursery over the weekend. If you have verticillium wilt, it lives in the soil and will continue to attack any new maples that you plant. If after doing this you have removed bark more than 50% around the trunk, then the tree will not survive – replace it. My name is Annie and I live at the other side of the Atlantic(in the UK). Good luck with it! Caused By: Fungi that tends to hide in leaf debris.Specific species include Rhytisma acerinum, R. americanum, and R. The damage done by this disease is mainly cosmetic. The only problem I can foresee with this is continuous high winds. The tree has remained mostly bare, with sparse “baby” leaves with curled up brown edges. Hi Mike, I suspect, based on your location, that your maple was anothr casualty of this year's late frost. That’s a lovely tree, and I am sure they will be fine. The tape was still on them. My silver leaf maple tree that is over ten years old was just blooming great and then i saw the leaves starting to come out and now they are all shriveled up and dying.I live on lake but this tree has don well every year and is about twenty feet tall now.What has happened to my tree? Don’t cover it, paint it, or do anything more. This typically happens at a spot where the insect feeds on the tree. You could call the city to find out the reason (they may be aware of it) or call your county's Cooperative Extension office for answers. First, I assume that when planted all the burlap was untied and cut away from the top of the root-ball (if they came that way) – that’s important. Not really serious, unless you lose all the foliage over a couple of years. Its size suits itself to a medium sized garden giving colour and form during spring to late autumn. Thanks. This is an disease inside the tree, which builds up pressure and forces sap out through any small wounds, pruning cuts, bark splits, etc. It does sound like verticillium wilt – but I suspect the condo will want an arborist report to confirm that it is, indeed, doomed! Once the tree has begun healing, the sap will stop and the ants will disappear. The patches on the bark probably cover dead areas beneath – you could remove one or two and check. Sometimes the disease spreads quickly and a tree may die in a few years. If possible, get this tree planted ASAP in an area with as little wind as possible. Severely affected trees may exhibit leaf loss. no spots. I think this is aphids. The disease can then migrate to the tree from splashed or windblown dirt. Magnolia Scale. We purchased these trees because we were told they would not produce the dreaded “keys”. The roots are usually as long as the tree is tall, and often much longer. The leaves often show the first signs because they're one of the last tree parts to get water, thus they show under-watering signs first. I have a large maple in front of my home that faces south in Castle Rock Colorado. Failure to control verticillium wilt can kill your tree, so it is important to correctly identify the disease and quickly remedy the problem. Heart rot can destroy the whole tree rather quickly, from the inside out. Aim for good air circulation between the branches, and control with a fungicide or sulphur spray. The leaves start showing up very late in the spring (that too sparingly). Treating the trees is usually not affective because the spores can travel from a neighbor's tree onto yours. But again the whole neighborhood has the same soil. In hot, humid summers maples can sometimes show a white, powdery coating on the leaves, almost like flour has been thrown onto them. Do this ASAP. Tar Spot is very common in some years, depending on the weather. In severe cases, defoliation is common. They all have the same thing in c… Plus, the additional weight may not be good for the tree. One of the most common maple tree diseases is known as maple wilt. ..... more information and pictures 'HESSEI' Another Japanese Maple tree which is rarer than it deserves. It kills sucking insects, which are causing the "honeydew" (sticky, syrup-like substance) on your trees. Did we damage or kill the tree? Most leaves have them and they are sprinkled around the bottom portion of the leaf, closest to the stem. Which I am sure some root damaged occurred. The tree was losing leaves in July, now they are 60% or more gone. No stuff was seen the last 2 years. Could it be something else? You can often confirm that you have Verticillium Wilt by taking a branch that is showing these symptoms and cutting it across. I am literally at a point where I am considering having them removed as they are a year round headache as far as maintenance. Leaves will look scorched or have a slight browning. Hang in a few more years and see how it develops. Please help. This virus causes discolored leaves. They are not raised spots. Your tree(s) should recover if it is kept well watered during drought conditions. Those buried roots could be hosting a fungus that is then attacking the new tree, so I would have them all removed and the area cultivated as deeply as possible. One of the worst diseases that your tree can get is verticillium wilt. 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. It could be bird droppings. Branches with maple wilt will also have a small amount of the scorched leaves. Is this tree savable or should I pull it up and start over with a new one? When I looked closely I noticed that where the stem of the leaf joined the main part of the leaf the stem had darkened and started to shrivel. I have a maple tree in my back yard. Tree species Pest or disease names; Maple (Acer saccharum) Asian longhorn beetle, citrus longhorn beetle, sweet chestnut blight: Mountain ash or … I took some photos today of our tree and the leaves but could not figure out how to attach them to my posting so I thought I would add a more detailed verbal description. Your lawn feeding means your tree is getting a lot of nitrogen, which keeps it producing soft new growth longer into the season. It is a soil dwelling fungus with symptoms that include yellowing … You cannot sit on the deck without washing down the table and chairs first. Next. we cut it down . It is mostly affected by the weather. I don't see any damage to bark or any sign of insects. Remove any wood that is dead beneath the bark (although Verticillium rises from the roots, so doing this is only cosmetic), as it won’t re-sprout once the bark dies. 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