Research Institute

The Horticultural Research Institute proudly supports scientific research and horticultural students for the advancement of the industry. HRI was established by industry leaders on the premise that no one could better direct needed research to advance horticulture than the very people who work in it, day in and day out.

Jill Calabro, Ph.D. September 12 2017

AmericanHort and the Horticultural Research Institute (HRI), in conjunction with the National Plant Board (NPB), are pleased to announce that Boxwood Blight Best Management Practices, version 2.0 is now available!
The original version was published in 2012 on the heels of...

Jennifer Gray August 28 2017

Scholarships totaling $18,500 for the 2017-2018 school year are made possible by seven special Horticultural Research Institute endowment funds that aid students who are seeking a lifelong career in horticulture. HRI and its member firms consider graduating students in horticulture to be the lifeblood of the green industry. The scholarship application and prerequisite information are available ...

Jill Calabro, Ph.D. August 28 2017

The green industry will benefit from the funding of four projects through the Specialty Crop Research Initiative (SCRI), a Farm Bill-funded grants program administered by USDA-NIFA. The four projects are as follows:

  • Systematic strategies to manage crapemyrtle bark scale, an emerging exotic pest, led by Dr. M. Gu, Texas A&M, was awarded $3.2 million...

Craig Regelbrugge July 31 2017

Final details are coming together for the Impact Washington advocacy summit September 12 and 13 in the Nation’s Capital. Now’s the time to register if you have not done so yet.

Jennifer Gray April 03 2017

Research funded in part by the Horticultural Research Institute sheds light on ambrosia beetle biology and ecology and management options for growers.

Ambrosia beetles are not new insects to the US; many native species exist here that are considered minor pest problems. Many exotic species can be found here too, and they can be very damaging to plants growing in nurseries and lan...

AmericanHort Contributor March 21 2017

Agricultural chemicals include fungicides, herbicides, insecticides, and plant growth regulators (PGRs). How much do you spend on these agricultural chemicals every year? According to the Environmental Protection Agency (EPA), the annual pesticide expenditure in the U.S. is about $12.5 billion. That is a huge investment! Among the most important factors affecting the return of this investment a...

Jennifer Gray March 21 2017

I took violin lessons as a child. I can clearly remember standing at the music stand in the living room corner of my violin teacher’s house. He was an Italian man named Salvatore, who was intent on instilling a knowledge and love of music in as many students as he could.
Salvatore loved challenging his students to sight read by bringing out new sheet music during a le...

Jennifer Gray January 27 2017

Boxwood blight (BB) continues to spread throughout the US. The University of Illinois Plant Clinic recently announced its presence in Illinois. The clinic received two boxwood samples late 2016. Both were from northeast Illinois and were collected from recent landscape installations. USDA APHIS confirmed that both tested positive for BB. Univeristy of Illinois Extension personnel are confide...

AmericanHort Contributor January 26 2017

HRI Releases Industry BMPs for Bee Health The Horticultural Research Institute, the research foundation of AmericanHort, is pleased to announce the release of Best Management Practices (BMPs) for Bee Health in the Horticultural Industry.

BMPs are intended to inform horticultural professionals about the green industry's impact on bee health. Through the use of BMP guidelines, ...

AmericanHort Contributor December 05 2016

As I sit at my desk in early November thinking about my work with the Horticultural Research Institute, it is raining. Not something especially significant normally, except this rain will turn out to be the first all-day rain event in northeast Ohio since early May!
Rain. Water. How to best apply it. How to use less of it. How to recycle it. How to clean it.

This stacked panel of experts will plunge into the current and potential application of exciting new technologies showing promise in automating and innovating the management of nursery stock, and other environments including arboretums and forest stands. New technologies explored during this seminar include drone-based observation and sampling, canopy robotics, and a variety of radio-frequen...