Hone your skills in plant diagnosis at this annual workshop. The event will feature a variety of speakers, sample reviews, and a walk through the arboretum. Horticultural, plant pathological, and entomological problems and opportunities will be discussed. The speakers will be announced soon. The workshop will include an extended period for examining and discussing samples and a walk around the Davey Tree Expert Campus. ISA and ODA Credits available. ONLA and Master Gardener credits are also eligible. Lunch and materials will be provided.