This site is sponsored by the Ohio Chapter of the International Society of Arboriculture (Ohio Chapter ISA). The Ohio Chapter ISA is the successor of the Ohio Chapter of the National Shade Tree Conference organized in 1942 and then the Ohio Chapter of the International Shade Tree Conference in 1961. In 1975, the Chapter became the Ohio Chapter International Society of Arboriculture. The Chapter is established in the state of Ohio as a 501(c)3 charitable organization.

Mission Statement ~ To advance the practice of responsible tree care while promoting the benefits of trees.

Vision Statement ~ Thriving trees and urban forests that enhance the quality of life for all Ohioans.

For more information about the Ohio Chapter ISA, visit