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About Us

  • Fully Insured-Work done by our employees!
  • Certified Arborists- on staff and up to date with the latest techniques.
  • Free Estimates
  • Emergency Services
  • 16+ Years in Business
  • Wisconsin Arborist Association Member
  • Cedarburg Chamber of Commerce Member

Plant Health Care


Gollnick and Sons offers a wide array of services to help insure your property looks the best possible. Our PHC programs treat your trees, bushes and a variety of ornamental plants to help ward off invasive bugs, bacteria and disease that can affect root systems and foliage. We can also develop treatment plans to address nutrient deficiencies. Our Plant Health Care Specialists are Wisconsin State Certified!

Tree Pruning & Removal


Gollnick and Sons offers a wide variety of tree care services! From the need for seasonal pruning to the sometimes unavoidable decision for removal of trees, our staff of professionals is ready to serve your needs. Utilizing our fleet of modern trucks and equipment,which are equipped with the latest in tree service technology, we can take on the most difficult situations with little to no impact to your property!

Stump Grinding


Gollnick and Sons utilizes the latest equipment to facilitate removal of stumps of newly cut trees and/or older stumps that have become a less than attractive part of your property. Cleanup, rough grading or clean fill replacement are options available. Our service does include contacting Diggers Hotline for marking of underground Utility Lines/Cables in the vicinity of the work area. (Note; Marking of Private Lines/Cables are the responsibility of the Property Owner) 

Live Edge Slabs


We have on hand for sale, a variety of live edge wood slabs. Featuring Ash, Black Walnut, Butternut, Hickory, Locust, Maple, Sugar Maple & White Cedar.  They are available in a range of sizes from 8" to 27" wide and 6 feet to 14 feet long. Stored in our temperature controlled building, they are raw and ready for you to put the finishing touches on.  Create your own one-of-a-kind top for a table, desk, bar or bench! Have a need? Send us an email and we'll try to help!

Certified Arborists and Treecare Safety Professionals


Emerald Ash Borer (EAB)

What to know about EAB (Emerald Ash Borer)


This bug has been in South Eastern Wisconsin for many years, but really started making an impact in the last couple years.  They only feed on Ash trees.  (Ash, White Ash, Green Ash)   Surprisingly they do not attack Mountain Ash trees.  Ash trees that are attacked can die within 2 - 4 years.  

To learn more visit: 

How you can protect your Ash Trees


Soil Injections and/or Trunk Injections to prevent Emerald Ash Borer have proven to be highly effective, with an over 95% success rate.  It is critical to treat your trees annually in order to protect them from the EAB.  Larger trees respond better with direct Trunk Injections.  We would be happy to check your Ash trees for signs of EAB and recommend a course of action.


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Gollnick & Sons Tree Service LLC

P.O. Box 466, Cedarburg, WI 53012, US