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Green leaves in a forest

Welcome to Arbor Doctor LLC! 

Our team will provide you with landscape and tree care solutions in Greater Cincinnati, Southwest Ohio, Northern Kentucky, and Southeast Indiana.

We offer you a full range of sustainable plant health care and landscape services click here to learn more

Pollinator Tested Arbor Doctor Approved Sustainable Solutions logo with bee holding honey bucket

Welcome to Arbor Doctor LLC! 

Our team will provide you with landscape and tree care solutions in Greater Cincinnati, Southwest Ohio, Northern Kentucky, and Southeast Indiana.

Unlike pesticide-centric plant health care programs, our organic nutrients are healthy for your plants. The nutrients thicken the cell walls to help the plants defend against insect attacks and be as resistant as possible to disease. Pesticides may still be utilized, but only in a targeted, limited fashion. We use pesticides which are low or no toxicity whenever possible.

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APR, 2025
Bottlebrush Buckeye Aesculus parviflora
Red Buckeye Aesculus pavia
Alleghany Serviceberry Amelanchier laevis
Arkansas Amsonia Amsonia...
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APR, 2025
Arborvitae is a plant that is widely used as an evergreen hedge or screen. Some are suffering or completely dead. What can be done?
 
 
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APR, 2025
American Society of Consulting Arborists logo with RCA #794 Registered Consulting Arborist

Ronald E. Rothhaas, Jr.

ISA Board Certified Master Arborist®

ISA BCMA OH-5177B, TRAQ, TPAQ

Arbor Doctor owner Ron Rothhaas is a Registered Consulting Arborist (RCA), an ISA Board Certified Master Arborist®, a frequent contributor to the nationally syndicated In The Garden With Ron Wilson radio gardening show, and is the primary author and contributor of the Plant Health Care Newsletter for the Ohio Green Industry Association. Ron has been an ISA (International Society of Arboriculture) Certified Arborist® since 2004 and in February 2017 passed the exam for ISA Board Certified Master Arborist®.

RCAs have achieved the highest level of arboricultural credentialing available and can handle the most challenging and highest-profile assignments.

The ISA Board Certified Master Arborist® credential is the highest level of certification offered by ISA. This credential recognizes ISA Certified Arborists® who have reached the pinnacle of their profession. In addition to passing an extensive scenario-based exam, candidates must abide by the ISA Board Certified Master Arborist® Code of Ethics which ensures quality of work and high ethical standards. Fewer than two percent of all ISA Certified Arborists® currently hold this certification. Ron’s expertise is highly valued in the horticultural and arboricultural communities and he in a frequent guest on the In The Garden With Ron Wilson radio show, occasionally even co-hosting the gardening show originating from Cincinnati but broadcast nationwide on affiliate stations and iHeart Radio.

Weather Blog

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Isolated to scattered strong storms may produce damaging winds and isolated tornadoes Monday afternoon and evening.

APR 12, 2025
Isolated to scattered strong storms may produce damaging winds and isolated tornadoes Monday.

A snowy morning in New England

APR 12, 2025
Winter made an encore visit to New England this morning with up to 8 inches of snow in parts of Massachusetts and New Hampshire.
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APR, 2025

Companies We Work With

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Natorp's logo
Natorp's
Dave & Aaron Stang's Certified Tree Care logo
Dave & Aaron Stang's Certified Tree Care
Hyde Park Landscape and Tree Service logo
Hyde Park Landscape and Tree Service
Holscher Hackman Garden Center logo
Holscher Hackman Garden Center
orange and red trees

Ron, I just wanted to say thank you for the the job you did in “re-woodsing” the hill in our backyard. As you can see, the fall colors are spectacular. The Parotia, in particular, is showing yellow, gold and red. And the Spring Grove dogwood is the most brilliant red, and perfectly placed. Just think of what it’ll look like in a few years when the trees start getting larger! We really appreciate your help. Thanks.

Connie & Karl, Westwood

The consultation was well worth our money.

Judy, Landen, Ohio area.

A rep stopped by and eliminated my concerns. Thank you so much for taking care of this so rapidly. I hear you are all very busy. See you later this spring.

Jeff, Mason

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