When disposing of them, you can either burn or bag them. Therefore, tar spots can get to next year’s leaves, sprouting in spring when temperatures start to rise again.įor this reason, getting rid of all leaves under your tree is a must if you want to effectively avoid this issue. Just like moisture can bring any other tree fungi, it also aids it to endure winter by entering a dormant state. Lastly, the leaves fall and can remain moist. Then, these spores start attacking the leaves, thus resulting in the yellow spots. Fungal spores first are spread by air throughout the land around your tree during springtime. Maple tar spot disease life cycle consists of three main phases. Second, infected maple leaves can carry on fungal spores to next year’s blossom. And, as we said earlier, we don’t want that. This makes it’s more susceptible to moisture build-up. First, the soil beneath your tree doesn’t count on the correct aeration. When we leave leaves on the ground, there are two main things that happen. Although many homeowners rather just leave the leaves on the ground, this can often be a mistake. If you’re looking to a definite way of getting rid of black tar for sure, then you shouldn’t neglect to rake your leaves. Be Sure to Rake and Destroy Any Fallen Leaves Some of these fungal diseases include needle cast, scab disease, and apple rust. Not only will you prevent black tar by doing so, but you’ll also keep other fatal fungi away as well. That’s why it’s always a good idea to keep away any standing water near your tree’s base. Remove any Moisture Excess Near Your Maple TreeĪs most common fungal tree diseases, maple tar spots can start to appear due to excess moisture in the environment. Instead, allow the leaves to naturally fall off the tree. You would ultimately end up wasting your time. It isn’t an effective technique to preventing this problem. Lastly, contact an expert to apply a fungicide.Īdditionally, do NOT remove your maple tree’s leaves. Then, remember to rake and eliminate all fallen maple leaves. First, you must make sure to get rid of any moisture build-up. When it comes to treating and preventing black spots on maple leaves, there are three main things you can do. That way, you can be sure that you won’t go through it ever again. That’s why we’ll teach you which is the best way to prevent this sort of situation. However, these black spots on maple leaves can surely look awful on your tree. So, you don’t need to worry too much about your maple tree. In fact, their main target is only the maple’s leaves. Luckily, maple tar disease doesn’t cause damage to the tree itself. How to Treat and Prevent Black Spots on Maple Leaves In some cases, these patches can even start to have a grooved texture. By mid-fall, most black spots reach their full size. Usually, spots start to become most visible around early summer. These black spots can be up to ¾ inch in diameter. Yellow spots eventually become bigger over time, ending up turning darker and resembling black tar. These spots are about ⅛ inch in diameter. Infected leaves start by presenting small, yellow spots on them. Other trees that are often affected by this disease include sycamores and box elders as well. Maple tar spot, scientifically known as Rhytisma acerinum, is a fungal disease that makes tree leaves have these black patches. Whenever there are any black spots on maple leaves, then it probably means that your tree has the famous called Tar Spot disease. So, you can say that it isn’t a sign that you need to cut it down. So, does it mean that your tree is a goner whenever you start noticing them?īelieve it or not, most maple trees can start having black to brown spots on their leaves without being in danger. However, black spots definitely aren’t part of a maple leaf’s natural color. Whether it’s light green, yellow, orange, or red, leaves transition their colors according to the seasons. It’s normal to expect for your maple tree’s leaves to change of color from time to time. So, we invite you to keep on reading to learn more about these black spots! Why Does My Maple Tree Have Dark Spots on Its Leaves? Still, there are some things you can do when finding yourself in this situation. However, you’d be surprised that this event is much more common than what you imagine. Whenever you notice that your maple tree starts presenting dark spots during the summer, it’s expected for you to start worrying. For this reason, it’s quite usual for homeowners to count on a maple tree in their backyard. Maple trees are among the most common trees in Arizona, along with oaks, hickories, and plums. Should I Worry About the Black Spots on Maple Leaves?Īre you starting to notice black spots on maple leaves? Today, we will show you the main culprits behind this phenomenon and how homeowners can prevent it.
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