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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.

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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Ohio Chapter ISA

Upcoming Events

←	September 2026					→
S	M	T	W	T	F	S
		1	2	3	4 Tree Symposium at Spiegel Grove September 4, 2026 8:00AM - 3:00PM EDT Advanced Arboriculture and Tree Science Webinar September 4, 2026 10:00AM - 5:30PM EDT	5
6	7	8 Tree Talk Tuesday - Galls and Gall Makers of Ohio Webinar September 8, 2026	9	10 2026 Association of Professional Landscape Designers (APLD) International Landscape Design Conference Columbus, OH September 10 (8:30AM EDT) - 14 (4:00PM EDT), 2026 Urban Forestry Today Free Noon Hour Webinar Planning for Roots: Optimal Spacing, Minimum Thresholds, and Workarounds September 10, 2026 12:00PM - 2:00PM EDT	11 2026 Association of Professional Landscape Designers (APLD) International Landscape Design Conference Columbus, OH September 10 (8:30AM EDT) - 14 (4:00PM EDT), 2026 The Urban Forest Myth? Webinar September 11, 2026 10:00AM - 5:30PM EDT	12 2026 Association of Professional Landscape Designers (APLD) International Landscape Design Conference Columbus, OH September 10 (8:30AM EDT) - 14 (4:00PM EDT), 2026 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026
13 2026 Association of Professional Landscape Designers (APLD) International Landscape Design Conference Columbus, OH September 10 (8:30AM EDT) - 14 (4:00PM EDT), 2026 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026	14 2026 Association of Professional Landscape Designers (APLD) International Landscape Design Conference Columbus, OH September 10 (8:30AM EDT) - 14 (4:00PM EDT), 2026 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026	15 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026	16 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026	17 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026	18 Tour des Trees Ride Blue Ridge Mountains of North & South Carolina September 12 - 18, 2026 Trees And The Design/Build Industries Webinar September 18, 2026 10:00AM - 5:30PM EDT	19
20	21	22 Certified Arborist Preparation Course Registration Deadline: September 3, 2026 Lebanon, OH September 22 - 24, 2026	23 Certified Arborist Preparation Course Registration Deadline: September 3, 2026 Lebanon, OH September 22 - 24, 2026	24 Certified Arborist Preparation Course Registration Deadline: September 3, 2026 Lebanon, OH September 22 - 24, 2026	25 ISA Written Exam Deadline to Register: September 3, 2026 Lebanon, OH September 25, 2026 Cuyahoga Tree Summit 2026 Educational Service Center of Northeast Ohio September 25, 2026 Risks To Our Urban Forests And Woodlands Webinar September 25, 2026 10:00AM - 5:30PM EDT	26
27	28	29 A300 Tree Care Standards Workshop Kent, OH September 29, 2026 Urban Landscape Pest Management Workshop Online Recertification Webinar September 29, 2026 8:30AM - 4:00PM EDT	30

September 4, 2026
8:00AM - 3:00PM EDT

Tree Symposium at Spiegel Grove

September 4, 2026
10:00AM - 5:30PM EDT

Advanced Arboriculture and Tree Science

Webinar

September 8, 2026

Tree Talk Tuesday - Galls and Gall Makers of Ohio

Webinar

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