Dr. Hannah Mathers

Mathers Environmental Science Services, LLC

Hannah Mathers is currently an independent horticultural researcher in nursery and landscape. From 2000-2014 she was a Professor at Ohio State University, Columbus, Ohio.  Hannah is the recipient of several awards including meritorious service, distinguished contributions, and promotion of diversity. She 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.   She is also noted for her diagnostic expertise of herbicide damage including drift and woody plant cold stress physiology.


Track: Grower
Jan 22 2018 - 9:00am

These weeds define “really bad” and include, Creeping yellow cress (Rorippa sylvestris L.); mugwort (Artemisia vulgaris L.); red stem filaree (Erodium cicutarium); field horsetail (Equisetum arvense); yellow nutsedge (Cyperus esculentus L.); and...

Track: Turf & Landscape Management
Jan 22 2018 - 1:10pm

Participants will break into two groups that will rotate during the workshop.  During this time participants will learn identification of weeds via live samples.   Prior to breaking into groups, participants will learn key identification...

Track: Turf & Landscape Management
Jan 23 2018 - 8:00am

Many landscapers and growers with herbaceous perennials (HP) still rely upon hand-weeding. The previous lack of herbicide registrations in HP crops (including ornamental grasses) has perpetuated fears that herbicides cause injury.  These previous...

Track: Turf & Landscape Management
Jan 23 2018 - 9:00am

The most often used herbicides in nursery and landscape will be discussed.  The mode of action (MoA) of these herbicides along with their MoA group number will be presented.  A few pros and cons of each MoA group, including why certain herbicides...