Plant Health Care Services

Insect and Disease
Emerald Ash Borer (EAB)
Dutch Elm Disease
Oak Wilt Disease
Tree Root Care
Mulching
Tree Nutrition
Growth Regulation
Chlorosis
Landscape Wellness Plans

Ed is a Plant Pathologist and Entomologist by education and training with more than 30 years experience as a Regional Forest Health Specialist in Rochester, Minnesota. Ed has been making diagnoses and treatment recommendations for landscape issues to homeowners, landowners, and other arborists in this region for over 35 years.

We specialize in Plant Health Care and can provide or arrange custom tree services to fit your needs and budget. What practices (pruning or plant health care needs) do your landscape trees and shrubs really need? Would they benefit from protection form specific insects and or diseases? How might we enhance their health and useful life? Poor treatments will shorten the life of your trees and cost you more in the long term. You will find me reasonable, reliable, and only offering recommendations that will benefit your landscape trees.

I use the latest research and technologies in developing plant health protection programs for your trees. My tools include specialized tree and soil injectors and air excavation to relieve soil compaction and improve soil structure. I use MN. Dept. of Agriculture labeled products that are the most effective for the job and include personnel and environmental safe guards.


Insect and Diseases (biotic and abiotic), Diagnosis and Treatment: With extensive experience spanning more than 35 years I have been the source for insect and disease field diagnosis issues in this region since 1979. I can guarantee an accurate diagnosis and the best treatment if one is possible. I can provide inexpensive periodic surveys aimed at prevention with accurate targeted treatments that minimize the impacts on beneficial organisms while effectively controlling pests.

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Emerald Ash Borer (EAB) Protection & Treatments: The Emerald Ash Borer (EAB) is an invasive insect (wood-boring beetle) that has killed millions of ash trees in several states since first being discovered in southeastern Michigan in 2002.

What Homeowners Need To Know About Emerald Ash Borer (EAB)!

  • Effective treatments are available! For trees you choose to preserve in your landscape!
  • The EAB kills all native North American ash tree species.
  • Only ash trees are affected by this insect, other tree species are not affected.
  • The emerald ash borer is now killing ash trees in several locations in Winona County! The EAB is already very likely infesting ash trees in other southeast MN counties especially adjacent Winona county!
  • Why? All new infestations found nationwide are already 3-5 years old!
  • Do Not Move Firewood. Transportation of wood products is a major source of spreading emerald ash borer and other tree insects and diseases to new areas. Individual counties will be quarantined by your MDA as infestations are discovered.

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Click on images to enlarge - Serpentine S-shaped galleries under the bark on the wood surface and d-shaped exit holes are field diagnostic for the EAB on ash tree species.

For more information; see my EAB Frequently Asked Questions

Emerald Ash Borer (EAB) Treatment Options from Ed Hayes:

Currently I am using two products that have proven effective in protecting ash trees from EAB. Both are very effective when applied right, so I do offer guarantees as I do all my own work. I treat trees in both Minnesota and Wisconsin.

Soil Drench/Injection: Xytect® 2x (active ingredient, Imidacloprid)

  • Annual application.
  • Effective when used according to directions, for a minimum of one year.
  • Applied as soil injection or soil drench depending on the soil condition, tree size and more.
  • This product cannot be used when tree is in close proximity to water.

Tree Injection: TREE-äge® (active ingredient, emamectin benzoate)

  • Application every 2 years.
  • Effective when used according to directions, for a minimum of two years.
  • Tree trunk injections are by professional application only.
  • Does not affect any other plants in area.
  • Can be used around bodies of water and wet areas.

Should you treat your trees? Treatments are appropriate for one or more individual ash trees that are currently providing important benefits (shade, privately, etc.) to your property.

Before starting a course of protection, have your trees inspected by an experienced Arborist. Is your tree in good health; is it in the right location? Are there any structural issues that should be addressed?

Ed Hayes is available to help homeowners plan their options. Contact Ed for a free appointment region wide.

Everyone Please Note; in time these dead ash trees will fall apart fast! Infested ash trees will die within 3-5 years. These dead trees will start to shed large branches in the second or third year after death. As these trees start to fall down you will want to make sure they are in locations that personnel injury and property damage will be avoided as you will be responsible for these damages. The lesson will be PLAN NOW!


Dutch Elm Disease Protection: Since 2000 I have been protecting the vast majority of Rochester's large elms. I personally do all the treatments. My success rate is greater than 98%. I use Arbotect fungicide with 2 - 3 year treatment periods depending on the size, condition, and species of your elms. Since 2003 I have been treating the Mayo Clinic elms with 100% success. These elms can be seen on the St Mary's campus and all around the Foundation House block on 6th St. SW Rochester. I have over 100 satisfied customers in the Rochester area that rely on us each year to watch and keep their elms alive. References are available upon request or just take a drive around the foundation house on 6th street SW, Rochester..

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Oak Wilt Disease Diagnosis and Treatment: Oak wilt disease is endemic to this region. The disease is a large threats our native red oaks, particularly on sandy soils. Field diagnosis in red oaks is easy but bur oaks require a lab culture for conformation of the disease. Treatments include root graft disruption below ground and fungicide injections above ground. Alamo fungicide injection is used to protect reds oaks adjacent to other infected red oaks and is therapeutic to infected white oak species.

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Tree Root Care: Healthy trees are largely a reflection of below ground soil and rooting conditions. For stressed trees on compacted soils I recommend the use of air excavation to aerate the soil. Tree roots have a difficult time growing into compacted soil.

Aeration has an immediate affect by improving soil structure and root growing conditions. As roots re-colonize improved soil improved health and vigor follow.

Additional soil amendments are prescribed on a site by site basis, whatever is best for your particular tree.

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Mulching: Particularly following root care treatments or general nutrition the use of wood chip mulch is recommend. Using mulch will increase organic matter (what tree roots thrive on), increase soil beneficial micro-organisms, improve soil structure and conditions and encourage root growth, all resulting in improved tree health.

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Tree Nutrition and Fertilization: My deep root feeding programs emphasize soil beneficial fungi, bacteria, organic matter and micro-nutrients where needed. I prefer less use of fertilization. Recommendations are made based on soil testing and tree condition.


Growth Regulation with Cambistat: Cambistat is a product that regulates growth to maintain size and shape. As a soil applied growth regulator Cambistat can reduce annual growth by up to 60% over a 3-year period. Cambistat can also be used to stabilize trees under stress.


Chlorosis:In alkaline soils (soils with high pH), iron is often in a form too tightly bound to other molecules to be available for tree roots. This problem occurs most frequently in high calcium carbonate soils and is called lime-induced Iron Chlorosis. This generally is more common in oaks. Maples may experience manganese deficiency. These issues can be easily addressed as well as the underlying predisposing soil conditions for longer term improvement.

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Landscape Wellness Plans: Prevent decline, minimize insect and disease issues, and nutrition problems by setting a tree wellness check-up system in place. By catching or preventing problems early I can minimize costly treatments and removals. I can do this by periodic surveys during the growing season.

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