85th Ohio Plant Diagnostic Workshop

A full day of hands-on diagnostic samples, walks and updates by OSU’s Tree Amigos: Joe Boggs, Erik Draper, Jim Chatfield and Jason Veil and the Secrest Arboretum horticulturists, and all the assembled experts.  If you want to learn, teach and catharse about landscape, treescape, nursery and greenhouse plant health problems, from beetles to blights to botany sign up now!  This program qualifies for ODA, ISA, ONLA and Master Gardener credits.


  • Secrest Arboretum of Ohio State University’s Wooster Campus
  • OSU’s Extension Nursery Landscape and Turf Team
  • Davey Tree Expert Company