The Ohio Phenology Gardens have been set up to record the changes in phenology events across the state of Ohio. The following is a list of the gardens.  These are listed alphabetically by county of location. Gardens that have moved are crossed out.

• Ashtabula: OARDC Ashtabula Research Station - Data

• Butler County: OSU Extension - Data

• Coshocton: Lake Park Coshocton Park District - Data

• Cuyahoga County: Riverside K-8 School - Data

• Cuyahoga: Ben Franklin School - Data

• Erie: Osborn Park - Data

• Fayette: Master Gardener Memorial Garden, Washington Cemetery - Data

• Franklin: Chadwick Arboretum, OSU Campus - Data

• Geauga: Berkshire Schools Board of Education Building - Data

• Greene: Xenia Station - Data

• Hancock: Hancock County Demonstration Gardens - Data

• Huron: Shady Lane Park - Data

• Lake: The Holden Arboretum - Data

• Licking: CTEC Adult Ed P.L.A.N.T. Program - Data

• Licking: Licking County Extension Office - Data

• Licking: The Dawes Arboretum - Data

• Lorain: Willoway Nurseries, Long Road Farm - Data

• Lucas: OSU Extension at Toledo Botanical Garden - Data

• Mahoning: Millcreek Metropark - Data

• Medina County, AI Root - Data

• Morgan County - Data

• Muskingum: Muskingum County Master Gardener PG - Data

• Ottawa: Lake Erie Islands Nature and Wildlife Center - Data

• Pickaway: Monroe Township Community Park Five Points Pike - Data

• Portage: Hiram Biological Field Station - Data

• Richland: OSU Extension Richland County - Data

• Ross: Canal Gardens Camp Sherman - Data

• Stark: OSU Extension Stark County - Data

• Summit: Adell Durbin - Data

• Summit: F.A. Seiberling Nature Realm - Data

• Trumbull: Agricultural and Family Center - Data

• Wayne: Secrest Arboretum OARDC campus - Data