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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Arboriculture Biomechanics Buckeye Yard and Garden Line Business Client Communications Consulting Deep planting Drought Emerald Ash Borer Environment Events Garden Professors Blog Garden Rant Blog General Global warming and climate change Horticulture In The Garden With Ron Wilson Inspirational Invasives Kentucky Pest News Local Horticulture Native Plants Nature Phenology Plant Health Care Pollinators and Bees Pruning Recommended trees, shrubs, and plants Ron Wilson Online Root flares Safety Sustainability Tree Health Tree planting Tree Preservation Tree Risk Assessment Weather RelatedDon’t 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On a frosty morning in late November, the final cut has been done on the lawn, flowering baskets have been replaced by Christmas decorations, and all that’s left is to pick up leaves.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
Tree Planting Guide
SEP 13, 2025
Fixing deep planting and buried root flares
SEP 13, 2025
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...
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...
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.
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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...
Anvil vs. Bypass: The Saga Continues
MAY 15, 2025
What we’ve been up to:
On a sunny day in April (the day before my birthday in fact) I spent a joyful hour in a field of young oak trees. Was I perusing the branches for birds or sitting idly with a b...
All you need to know about the Brood 14 Cicadas
MAY 12, 2025
Brood XIV (14) of the 17-year periodical cicadas (Magicicada spp.) will appear this spring with high populations over a wide geographical area that includes ...
