1740 Walcutt Road  Columbus, Oh 43228  Phone: (614) 876-5622   Fax: (614) 876-1458

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  • Watering

    With all the wet weather we have had this summer you certainly won’t need to do any watering. Although, too little water is harmful to your trees and shrubs, too much water can be just as damaging. Ov ...

    by Chris Ahlum
    Thursday, 13 August 2015
  • Summer Insects

    A few weeks ago our Plant Healthcare Technicians spotted the first Japanese beetles of the season. An adult Japanese beetle is about 12mm long. They have a metallic green, oval shaped body, with dark ...

    by Chris Ahlum
    Friday, 10 July 2015
  • Springtime Diseases

    As I eagerly anticipate the first burst of spring color and renewed growth, I am on the lookout for the diseases and pests that will also be emerging. Fortunately, preventative measures are available ...

    by Chris Ahlum
    Friday, 08 May 2015
  • Spring Planting Season: Select the Right Tree

    Spring is around the corner! Finally we can think about planting, instead of snow. Remember, planting is more than making sure the green side is up! While consulting on properties I am often shown ne ...

    by Chris Ahlum
    Thursday, 12 February 2015
  • Why We Fertilize Trees

    Forest soils are rich in organic matter that is replenished by decay of plants and plant parts. Often in urban landscape the topsoil is ripped away when building and many times not fully replenished ...

    by Chris Ahlum
    Thursday, 12 February 2015
  • Dormant Oil

    This highly refined petroleum based product covers the breathing pores of an insect and desiccated the body so it will simply be washed off with rain or drop off over time. Many scale insects which ...

    by Chris Ahlum
    Sunday, 11 January 2015
  • Reduce Those Winter Heating Bills

    The best way to reduce winter heating costs is to plant evergreen trees and shrubs as windbreaks. The ultimate goal of planting a windbreak (or living snow fence, as they are sometimes called) is we ...

    by Chris Ahlum
    Thursday, 11 December 2014
  • The Benefits of Proper Pruning

    Safety pruning is important for trees of all ages and stages of development. Safety pruning can be as simple as removing dead or decaying branches, to removing large limbs over your newly constructe ...

    by Chris Ahlum
    Thursday, 13 November 2014
  • Why Do Leaves Change Color?

    As days grow shorter, and nights grow longer and cooler, biochemical processes in the leaf begin to paint the landscape with the autumn palette. We've all heard the story of the visit of Jack Fro ...

    by Chris Ahlum
    Thursday, 09 October 2014
  • Putting Down Roots

    The next time you walk through the woods, notice the tree trunk where it meets the ground. See how it flares at the base? That is how an ideal tree should look. Also, notice the soil and how rich in ...

    by Chris Ahlum
    Thursday, 11 September 2014
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Emerald Ash Borer

It is strongly recommended that property owners consult with a Certified Arborist to discuss appropriate Emerald Ash Borer treatment options to avoid unnecessarily destroying a tree that can be saved.

What is Emerald Ash Borer?

Emerald Ash Borer (EAB) is an invasive beetle from Asia that has killed millions of ash trees in the Midwest, Mid-Atlantic region and Canada since 2002.

About Ahlum & Arbor

Ahlum & Arbor Tree Preservation is a full service arboricultural firm providing a complete range of residential and commercial tree care services including customized pruning, insect and disease management, and plant health care programs to maintain and enhance the health of your trees and shrubs.

In the News

Chris Ahlum explains the services offered by Ahlum & Arbor.


Tree and Shrub Pruning

Pruning is one of the most important practices to ensure safety, but proper pruning also preserves
and enhances the health, structure and natural beauty of your trees and shrubs. 

Insect and Disease Management

Preventative treatments and responding promptly at the first indication of a problem is the key to
protecting the health and vigor of your trees and shrubs. Ahlum & Arbor’s approach to insect and
disease management includes the following steps:

Consulting and Evaluation

Ahlum & Arbor Tree Preservation is routinely called upon to consult on the most challenging tree care,
protection and valuation situations. Some of the specialized arboriculture consulting services performed by Ahlum & Arbor include 


Ahlum & Arbor Tree Preservation

1740 Walcutt Road
Columbus, Ohio 43228

Phone: (614) 876-5622