Welcome to Arbor Doctor!

Serving Cincinnati, Southwest Ohio, Northern Kentucky, and Southeast Indiana.

organicArbor Doctor LLC is based in Cincinnati, Ohio, and serves customers in Greater Cincinnati and Northern Kentucky suburbs. We offer Organic Deep Root Fertilization and Seasonal Foliar Nutrient Sprays. Unlike pesticides, our sprays are healthy for your plants. The nutrients thicken the cell walls to help the plants defend themselves from insect attacks and be as resistant as possible to disease.

What people are saying about Arbor Doctor LLC:

  • “Ron, this is outstanding. Exactly what I needed…thank you.”–Jeff, Hyde Park
  • “The consultation was well worth our money.” — Judy, Landen, Ohio area.
  • “Michael and Zach did a great job over here yesterday trimming up our trees and bushes. My wife is very happy with the way the yard is looking. Thank you. I hope you have a great and blessed day.” — Greg, Terrace Park, OH.
  • “Very professional.” Homeowner in Hamilton, OH.
  • On Snow removal: “They were very nice over the phone and showed up pretty quick with our next round of snow. Did a fantastic job!” — Lynda, Cincinnati, OH.

See more reviews, and be sure to contribute your own, at Angie’s List and the BBB.

We Value Your Feedback!

Click here to leave us feedback. We would love to hear from you!

Contact Arbor Doctor

Contact Arbor Doctor LLC by calling (513) 661-2673 NOW, or fill out our contact form.


Arbor Doctor Weather Page

Get unique meteorological insights from the Arbor Doctor, Ron Rothhaas, as heard on In The Garden with Ron Wilson, in particular how weather affects your landscape investment. Click here to access Ron’s weather insights.


Virtual Arboretum

Enter the Virtual Arboretum, where you can see photos and learn more about trees, plants and shrubs and more. Click here to enter the arboretum.


Trees Are Good

The Arbor Doctor highly recommends you visit Trees Are Good, brought to you by the ISA.

Arbor Doctor LLC, Cincinnati, Ohio 45211
(513) 661-2673

Arbor Doctor Facebook Feed

Arbor Doctor LLC

Owner Ronald E. Rothhaas Jr. is an ISA Board Certified Master Arborist® (OH-5177B) and has the ISA Tree Risk Assessment Qualification. We offer the following services: Consulting Diagnostics Expert Witness and Litigation Plant Health Care Tree and Shrub Care Fertilization Inventories Landscape Services Pest Management Pruning Training and Education Transplanting Tree Planting Tree Risk Assessment Tree Valuation
Arbor Doctor LLC
Arbor Doctor LLCWednesday, February 22nd, 2017 at 10:31pm
Ronald E. Rothhaas

Congratulations! The International Society of Arboriculture (ISA) would like to notify you that you have passed the ISA Board Certified Master Arborist® examination taken on 20 February 2017.

You are encouraged to maintain the level of professional competency you have demonstrated on the examination. For valuable information on how to maintain your credential for the next three years, please visit the ISA website at any time to manage your certification or view your current certification status.

You will be sent your renewal packet in the mail within the next two to three weeks that will include your certificate, patch, hard hat decal, and certification card. We encourage you to keep this card with you at all times, as it will provide you with quick access to your certification information. It can also be used to verify your certification with your customers.

Once again, congratulations on acquiring your certification. As an ISA credential holder, your dedication to your profession and your community helps to make the world a better place, one tree at a time.


Jim Skiera
Executive Director
International Society of Arboriculture
Arbor Doctor LLC
Arbor Doctor LLC shared Capital Weather Gang's post.Wednesday, February 22nd, 2017 at 5:14am
Arbor Doctor LLC
Arbor Doctor LLC shared Indiana Arborist Association's photo.Monday, February 20th, 2017 at 11:39pm
Arbor Doctor LLC
Arbor Doctor LLC shared In The Garden With Ron Wilson's post.Monday, February 20th, 2017 at 11:37pm
Arbor Doctor LLC
Arbor Doctor LLC shared J. Frank Schmidt & Son Co.'s post.Sunday, February 19th, 2017 at 2:35pm
Arbor Doctor LLC
Arbor Doctor LLC shared Boone County Arboretum's post.Sunday, February 19th, 2017 at 2:06pm