Upcoming Events
The events calendar is the perfect place to find training opportunities. Click on the calendar links for more information.
April 2026
Thu
9
2026
April 9, 2026
Urban Forestry Today Free Noon Hour Webinar
They’re Coming – the 2026 Pests of the Landscape
Fri
10
2026
April 10, 2026
10:00AM - 5:30PM EDT
Trees and The Design/Build Industries
10:00 pm - 5:30 pm ET
Webinar
Fri
17
2026
April 17, 2026
10:00AM - 5:30PM EDT
Advanced Arboriculture and Tree Science
10:00 pm - 5:30 pm ET
Webinar
Tue
21
2026
April 21, 2026
Tree Health Implications of Long-term Strategies to Treat EAB
TREE Fund Webinar
Sun
26
2026
April 26, 2026
1:00PM - 3:00PM EDT
Tree Planting for Dixie and Jennifer
Join Us to Honor Dixie and Jennifer for Their Years of Service to OISA!
Baltimore, OH
May 2026
Fri
8
2026
May 8, 2026
10:00AM - 5:30PM EDT
Trees and The Design/Build Industries
10:00 pm - 5:30 pm ET
Webinar
Fri
15
2026
May 15, 2026
10:00AM - 5:30PM EDT
Advanced Arboriculture and Tree Science
10:00 pm - 5:30 pm ET
Webinar
Fri
22
2026
May 22, 2026
10:00AM - 5:30PM EDT
Risks To Our Urban Forests And Woodlands
10:00 pm - 5:30 pm ET
Webinar
June 2026
Mon
8
2026
June 8 - 11, 2026
Certified Arborist Preparation Course
Registration Deadline: May 20, 2026
Highland Heights, OH
July 2026
August 2026
September 2026
October 2026
November 2026
December 2026
Tue
8
2026
December 8, 2026
Tree Talk Tuesday - Flying Smart: A Guide to Drone Education, Certification, and Application
Webinar
Events
Find an Arborist
We promote the hiring of companies who have ISA certified professionals on staff. ISA Certified Arborists® are held to a Code of Ethics and are encouraged to follow industry standards.
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Continuing Education
Professional arborist are encouraged to keep current on best practices and industry standards through workshops, seminars, the annual conference and on-line education opportunities.
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Become an Arborist
An ISA credential enables the public the opportunity to make an informed selection of services based on the knowledge and advanced training you demonstrate as a credential holder.
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