Fees & Deadlines


Also available to print in PDF format: Certification fees and deadlines

All Applicable Fees:

Make checks payable to "Oregon Seed Certification Service" and send directly to:
Oregon Seed Certification Service, Oregon State University, 31 Crop Science Building, Corvallis, OR 97331-3003

Application fees: Seedling, Pre-Plant, and Planting Inspections*

Seed Crop


To be eligible for refunds, seedling and/or seed crop applications must be withdrawn prior to field inspection. The initiate refund, seed grower must submit a written request to Seed Certification for a refund (a special request charge will be withheld for processing). No refunds on rejected fields, either seedling or seed crop.

Additional & Special Fees


Sign-up Deadlines1


Extension Office Phone Numbers by County

Phone numbers (pdf)