Woody plant stress has many potential causes that can ultimately lead to decline and death of landscape trees and shrubs. This publication discusses the symptoms and comm...
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Nearly 200-year-old Tri-State tree could be threatened by nearby highway project. Arbor Doctor called in
JAN 3, 2026
Residents of a small town in Clinton County are uniting to protect a historic tree after hearing it may be threatened by a nearby highway project. (WKRC). Certified master arborist Ron Rothaas of the ...
The Tree Disease and Decline Spiral
DEC 21, 2025
Donβt forget the Oaks!
DEC 11, 2025
On a frosty morning in late November, the final cut has been done on the lawn, flowering baskets have been replaced by Christmas decorations, and all that’s left is to pick up leaves. Not s...
Stress and Decline in Woody Plants (ID-50)
DEC 11, 2025
Destination New Zealand 2025. Attending the international ISA conference and visiting Australia and New Zealand
DEC 11, 2025
In October 2025, the International Society of Arboriculture (ISA) held their annual conference in Christchurch, New Zealand. I have been in the horticultural and arboricultural profession for over 4 d...
Tree Planting Guide
SEP 13, 2025
August Arbor Doctor Client Update
AUG 18, 2025
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) 17-Year Periodical Cicada Update
AUG 9, 2025
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...
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20 Questions of Plant Diagnosis
JUL 24, 2025
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...
