Ohio Revised Code Title IX. Agriculture Animals Fences § 927.55

(A) A person who produces for sale either within this state or within any state in which such plants and parts do not require a certificate of inspection as a condition of entry, only nonhardy plants and plant parts, vegetable plants, herbs, or forced floral plants, of whatever nature, while in bloom;

(B) A person who conducts the sale of nursery stock as a fund raiser for a nonprofit organization or nonprofit purpose for no more than two days per year, who is not a nurseryman, dealer, or collector, and who makes no more than two thousand dollars in revenue from the sale of nursery stock during a calendar year;

(C) Any public or private arboretum operated not for profit, which exchanges inspected nursery stock in limited quantities for experimental or permanent arboretum plantings.