Dr. Hannah Mathers

Mathers Environmental Science Services, LLC

Hannah Mathers is currently an independent horticulture researcher and consultant in nursery and landscape. From 2000-2014 she was a professor at Ohio State University, Columbus, Ohio. Since 2015, she has been the owner of her own business Mathers Environmental Science Services (MESS), LLC.  Hannah works with chemical companies, growers, landscapers, IR-4, associations and funding agencies across the U.S. and Canada. Hannah is a recognized national speaker and writer and is best known for her research in bio-rational, conventional, and alternative weed control in nursery crops and landscapes. 


Track: Arboriculture, Turf & Landscape Management
Jan 23 2017 - 8:30am

The conventional catastrophic injury symptoms normally associated with short-term herbicide use in diagnosing herbicide damage will be covered. In addition, the long-term role of certain pre and post-emergence herbicides in chronic disorders—...

Track: Grower
Jan 23 2017 - 3:00pm

In the spring of 2015, the oldest message in a bottle was found, 108 years and 138 days after being dropped into the North Sea.  It reminds me some research questions take a long time to answers.  Sometimes the delay is because we are not asking...

Track: Turf & Landscape Management
Jan 24 2017 - 8:00am

Dormant applications can reduce phytotoxicity and increase the duration of efficacy of many of your herbicides.  Three additional benefits of dormant applications will be discussed: 1) utilization of staff in winter which is traditionally a “down...

Track: Arboriculture, Turf & Landscape Management
Jan 24 2017 - 9:00am

Can tree growth be improved by fertilizers?  Yes, if the right timing, application practices, amounts, plant age and correct nutrients are applied.  Therefore, the five factors listed above are first and foremost in deciding your fertilizer...