84th Annual 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 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 


Jack & Deb Miller Pavilion – OARDC Secrest Arboretum GPS Address: 2122 Williams Road Wooster, OH 44691 


$40.00—includes refreshments, lunch and program materials 

Registration due by Sept. 1st 

Contact information: 

Sarah Mays 

OSU Extension—NE Region 1680 Madison Ave., OARDC Wooster, OH 44691 

330-263-3831 or