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tree roots

In the forest, tree root flares are near the surface.

Roots radiate out from the trunk like spokes on a wagon wheel. Roots grow in soils with active biology, including benefici...

ron rothhaas and ron wilson

Arbor Doctor Ron Rothhaas will be a guest on In The Garden With Ron Wilson on Saturday, September 13, 2025, at 7:06 AM eastern live on 550WKRC in Cincinnati and iHeart Radio and later on podcast and 6...

Jesus in a tree picture

Happy August!

It's dry out there, at least in some areas.

Rainfall has been highly variable this summer. Most areas saw very wet conditions in July, but the spigot has shut off for some in August. W...

Brood XIV (14) of the 17-year periodical cicadas (Magicicada spp.) in southern Ohio remains impactful. The cacophonous chorusing of the males continues with females producing egg slits (a.k...
Ron Wilson and Ron Rothhaas

On the morning of July 26, 2025, Arbor Doctor Principal Owner Ron Rothhaas joined radio host Ron Wilson on 55WKRC and iHeart Radio to talk trees. 

Click here to hear the first hour>>>

photo of bagworms on arborvitae

Diagnosing plant problems is often a complex, multifaceted process that requires observation, investigation, and integration of site-specific knowledge. A structured diagnostic approach reduces guessw...

why are arborists afraid of risk assessment

A lot of arborists are afraid of risk assessment and would rather just cut down your tree than accept any responsibility for  assessment. This video gives great information as to how this works. 

TRAIL IN THE FOREST

If you’ve ever stepped onto a trail and felt your shoulders relax, your breathing slow, and your mood lift, you’ve already experienced the powerful benefits of forest bathing – even if you...

I take education and knowledge seriously. Here are classes I have attended just over the past 3 years. 245 hours toward 60 needed for recertification.

Knowledge and education costs in time and dollar...

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