Each Private Pesticide Applicator is required to obtain 3.0 hours of continuing education every three years or take a written examination to maintain a valid license. Commercial Applicators are required to complete 5.0 hours of continuing education every three years or take a written examination to maintain a valid license.
For Local Private Pesticide Training sessions go to https://pested.osu.edu/privaterecertification
For Local Private and Commercial Fertilizer Training sessions go to https://pested.osu.edu/privaterecertification
For Commercial Pesticide Training sessions go to https://pested.osu.edu/commercialrecert
For general Pesticide License and Fertilizer Certificate information go to https://pested.osu.edu/home