What Are the Signs of Ash Tree Disease in Oak Ridge, TN?

If you have ash trees on your property, one of your top goals is to keep them healthy. This is why you may be wondering, “What are the signs of ash tree disease?” 

Knowing what to look for can help you take action quicker, and enlisting the help of one of the top-rated tree services in Oak Ridge, TN can save your trees. 

what are the signs of ash tree disease

Emerald Ash Borer 

The emerald ash borer is perhaps one of the most widely known enemies of the ash tree. These beetles are an invasive species that will lay eggs under the bark of ash trees. Once hatched, the larvae will eat at the wood of the tree until they emerge.

Emerald ash borer attacks are almost always fatal to affected trees. The exception is if a tree is only lightly diseased, then insecticides are a possible solution. 

Signs of an emerald ash borer invasion include: 

  • Bark cracks
  • D-shaped exit holes where adults emerge
  • Crown dieback: the upper branches may be dead or dying suddenly
  • Epicormic sprouting: Small sprouts may form at the base of the tree, indicating internal stress 

Verticillium Wilt 

This is a serious fungal disease caused by fungi found in the soil surrounding your ash tree. It will infect the tree’s roots and grow into the trunk of the tree, affecting the tree’s ability to transport water effectively.  It is important to know the signs of ash tree disease in this case, as this disease is often deadly.

Signs of verticillium wilt include: 

  • Yellowing leaf edges
  • Sudden or unexpected wilting all over the tree
  • Discolored wood or brown/black streaks under the bark
  • Stunted growth

Ash Flower Gall 

If your ash tree has green or brown clusters hanging from its branches, your ash tree has ash flower galls. They are a type of abnormal plant growth that only affects male trees. Eriophyid mites cause these galls, and while they may be unsightly, they certainly aren’t as dangerous as other ash tree diseases.

Pruning these galls is possible, but it is more of a cosmetic preference than anything. 

Signs of ash flower gall include: 

  • Small, green tumor-like structures on the tree
  • Leaf distortions
  • Sagging or strained branches if the galls grow too heavy 

What Is the Right Way To Care for a Diseased Ash Tree?

Now that you have an idea of what a few common tree diseases look like, it’s important to know what to do about them. Relying on a professional tree care service can help you figure out the next steps. Depending on the potential disease, professional arborists can offer tree trimming, tree removal, and tree stump grinding services, or they can offer treatment options to support the life of your ash tree. 

The team at Pro Tree of Knoxville also offers the removal of trees that cause foundation problems, so you can rest assured that we will take care of you no matter what. 

If you are asking yourself, “What are the signs of ash tree disease?” Pro Tree of Knoxville has the answer. Contact us at (865) 294-0062 today to speak to an arborist.

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