Tree Decay Workshop
Instructors: Dr. Frank Rinn and Chelsi Abbott
September 29 – 30, 2025
Tulsa Garden Center
The Oklahoma Community Forestry Council invites you to learn the latest from internationally renowned expert Dr. Frank Rinn (Rinntech) and plant pathologist, Chelsi Abbott (Davey Tree). This hands-on workshop provides arborists and tree care professionals a master class on wood decay and tree risk assessment.
The two-day event will include class instruction and practical field demonstrations. Lunch and light refreshments will be provided both days. Expand your knowledge, network with others, and advance your career! Space is limited.
Attendee Registration:
$200.00 (space limited to 60 participants)
Sponsorship Registration Options
Oklahoma Forestry Council 