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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.

Biochar Application - A Practical Guide for Improving and Constructing Soils for Urban Trees

DEC 17, 2024

WHAT IS BIOCHAR?
Biochar is a type of charcoal produced from exposing organic
materials (woody or agricultural waste products) to heat of around
450-650°C in a low- or no-oxygen environment through the p...

biochar photos

Myths and facts - Africanized honey bees.

DEC 16, 2024
Africanized honey bees have been misunderstood and mischaracterized. While they do exhibit unique traits, their management is entirely possible with the right knowledge and skills. It’s ess...
16
DEC, 2024

Emerald Ash Borer University (EABU) - "Firewood Movement Regulation, Outreach, and Impact"

DEC 16, 2024
Emerald Ash Borer University (EABU) is kicking of the fall semester. The first free and virtual session will be held on Thursday, October 10th, 2024, at 10:00 am.
Published on
16
DEC, 2024
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.

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

Very professional.

Homeowner in Hamilton, OH.

Great job today, Ron!  Everyone really liked listening to you (speak to our garden club).

Mary Beth, Westwood Woman's Garden Club

Ron, this is outstanding. Exactly what I needed…thank you.

Jeff, Hyde Park

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