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Arbor Doc drops by 3/26/2022 with play button

Click below to listen at Arbor Doctor Ron Rothhaas joined Ron Wilson on his March 26, 2022 show.

Piles of mulch around trees
The vast majority of the trees and shrubs used in Ohio landscapes evolved in ecosystems with soils topped by an organic layer. Think forest and grassland soils. Aged hardwood bark mulch serves as a ...

We are now one month into Meteorological spring but it has felt like winter some lately, except for that one 80-degree day. Up and down, it must be spring in Cincinnati! Things are getting busy at Arb...

Below is a listing of trees, shrubs, and herbaceous perennials which can grow in wet or moist soils. You will notive that willows and serviceberry are not on this list. Weeping willow in particular li...

Holscher Hackman Garden Center logo

Our friends at Holscher and Hackman Garden Center are once again hosting a series of free classes this spring. Arbor Doctor Ron Rothhaas will be talking on declining evergreens on April 16 at 10AM. A ...

Tree with no leaves and sunset in background
Egg masses of Spotted Lanternfly, Lycorma delicatula, on Tree of Heaven, Ailanthus altissima, were discovered by an arborist during the week of February 14. Ohio Department of Agriculture inspected ...

The USDA Forest Service recently completed a story map entitled “Oak Wilt in the Northeastern and Midwestern States”. Oak wilt, which kills hundreds of thousands of oaks in the U.S. each year, is comp...

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