Tree Disease Treatment in Southeastern Wisconsin

Sick Tree Treatment & Diagnosis: Identify Harmful Tree Diseases

Our ISA Certified Arborists have years of experience in tree disease management and tree fungus treatment. We provide science-based solutions for a large variety of diseases that affect many types of trees in Wisconsin including Dutch Elm Disease, Oak Wilt, Apple Scab, and various fungal issues.

Like any living thing, trees require proactive care and treatment to stay strong and healthy. Visible signs that you may need a tree diagnosis include dropping leaves or needles, browning foliage, and mushrooms or fungus growing at the base. Implementing a treatment plan specific to your property will help keep your trees strong, healthy, and beautiful.

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How to Treat Tree Diseases

  • Targeted Spray Programs – Specialized tree fungus treatments designed for your unique landscape concerns.
  • Trunk Injections – Direct applications to deter potentially deadly systemic diseases.
  • Site Amendments – Strategic soil and root zone improvements to strengthen your trees against disease damage.

Wisconsin Tree Diagnosis and Treatment Plans

Our field team of tree experts has the experience and education necessary to accurately diagnose the source of your unhealthy tree and provide disease treatment plans that work. Our tree diagnosis services involve having an ISA Certified Arborist thoroughly inspect and identify the problem affecting the trees on your property.

Once the root cause of the tree disease has been identified, our team uses a specialized scientific approach to assist in your tree's recovery and long-term vitality.

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Client Testimonial

My tree is in great health. The technicians are always knowledgeable and very courteous. I am always pleased with your service! It is always excellent!

Pat Y. - Milwaukee​, WI

Common Tree Disease Treatment Questions

How do you identify and treat tree disease?

To identify a problem, look for browning needles, stunted growth, or visible fungal growth at the base. The most effective way to treat tree diseases is through a professional tree diagnosis by an ISA Certified Arborist, followed by a science-based plan including trunk injections or soil site amendments tailored to your tree’s specific needs.

Can a diseased tree be saved?

Yes, in many cases. Whether a tree can be saved or not depends on the type of pathogen and how much of the tree’s vascular system is still intact. Through proactive tree disease treatments like nutrient boosting and fungal control, we can often arrest the decline and restore the tree’s health.

What is the best way to treat tree disease and fungus?

A multi-pronged approach is the best method for tree disease management: use specialized spray programs for surface fungus, improve airflow through the canopy, and administer systemic treatments to protect the tree from the inside out.

How much does tree disease treatment cost?

The cost of tree disease treatment in Southeastern Wisconsin varies based on the size of the tree, the severity of the infection, and the treatment method required (such as spray programs or injections). Because every case is unique, an ISA Certified Arborist provides the most accurate estimate during a professional tree diagnosis.

How do you treat sick evergreen trees?

Treating evergreens like spruce, pine, and fir trees often requires specific fungicides to combat issues like Rhizosphaera Needle Cast or Cytospora Canker. Treatment usually involves a series of precisely timed spray applications in the spring and early summer to protect new growth from fungal spores.

Can pruning help a dying or diseased tree?

Yes, strategic pruning is a vital part of tree disease management. Removing infected or flagging branches helps prevent the disease from spreading to the rest of the tree and improves airflow. However, it is critical that tools are sanitized between cuts to avoid further contamination.

How do you treat a decaying tree?

Decay is often a secondary issue following a disease or physical injury. While you cannot cure structural decay, you can manage the tree’s health through site amendments and mulch to reduce stress. Our ISA Certified Arborists can perform a risk assessment to determine if the tree is structurally sound or if treatment can safely extend its life.

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Our specialty is identifying what may be the cause of your sick tree and prescribing the proper treatment at the proper time. We offer a wide range of plant health care services to give your trees the care they need.

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