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OSU Extension

College of Food, Agricultural, and Environmental Sciences


Samples can be brought in to the Lake County Extension office during regular business hours and left for identification. Please note that we are now in our new location at 105 Main Street, Suite B402, Painesville, OH 44077. Enter at the main front doors only, check in with the Sheriff's Deputy and they will direct you to the elevator. The office is open Monday through Friday from 8:30 am to 4:30 pm. 

Complete the proper form below to leave with your sample. For instructions on sample collection, call the Master Gardener Hotline at 440-853-2634 or send them an email at

Insect Sample Submission Form

Plant Sample Submission Form

Turf Sample Submission Form