Ohio State University Extension, Butler County provides training to either receive or recertify Private Applicator licenses.
Click here for information regarding Commercial Applicator licensing.
2026 Training Sessions
Agricultural Fertilizer Initial Certification Training, March 26, 2026, 9am-12pm, $40. Click here to register at go.osu.edu/bcfertcert1. Click here for event flyer 
Private Fertiziler/Pesticide Recertification Training, Feb 3, 2026. Pesticide only, 1:30-4:30, $35. Fertilizer Only, 12:30-1:30pm, $15. Both Fertilizer & Pesticide, 12:30-4:30, $35. Click here to register at go.osu.edu/pestandfertcert. Click here for event flyer. 