Announcements
Published: Nov. 10, 2025
Martin Luther King Jr. Day
Monday, January 19, 2026
Memorial Day
Monday, May 25, 2026
Juneteenth
Friday, June 19, 2026
Independence Day Observed
Friday, July 3, 2026
Labor… Read More
Published: May 22, 2025
IMPORTANT! Various changes to the eCertification portal for tag ordering and printing, rebagging seed, and creating processed lots (e.g. mixtures, coated) will be released soon. We are holding a demonstration and training session via Zoom at 10AM on Thursday,… Read More
Published: Feb. 13, 2025
OSU's Corvallis campus, including the Seed Certification office, will be closed on Thursday, February 13, 2025 and have a delayed opening until 10AM on Friday, February 14 due to inclement weather. OSU alerts can be found here. Sampling and tagging in the Willamette Valley… Read More
Published: Dec. 3, 2024
The eCertification website will be unavailable from 6:00PM on December 19 to 8:00am on December 23 due to OSU computing infrastructure relocation to Salem, Oregon. Our office will not be able to help you on the phone during the outage since all OSCS servers and the OSCS office computers will be… Read More
Published: Nov. 13, 2024
We will be closed:
Monday, January 20, 2025 for Martin Luther King Jr. Day
Monday, May 26, 2025 for Memorial Day
Thursday, June 19, 2025 for Juneteenth
Friday, July 4, 2025 for Independence Day
Monday, September 1, 2025 for Labor Day
Samplers will also not be working… Read More
Published: June 17, 2024
We will be closed for the following holidays, including for seed sampling:
Wednesday, June 19, 2024 for Juneteenth
Thursday, July 4, 2024 for Independence Day
Published: Jan. 16, 2024
The main office will be closed on Wednesday, January 17, 2024 due to hazardous conditions on campus. Sampling will be delayed due to continued icy conditions.
Published: Jan. 15, 2024
We will be closed on Tuesday, January 16, 2024 due to inclement weather. This includes sampling.
Published: Jan. 12, 2024
We will be closed Monday, January 15 for Martin Luther King Jr. Day. This includes sampling activities.
Published: Jan. 11, 2024
Our office will be closed on Thursday, January 18 to attend the Oregon Seed Association meeting. We will check emails and voicemail upon our return.
Published: Dec. 1, 2023
Our office will be closed on Monday, December 4 while we attend the 2023 Seed Growers League Annual Meeting. We will return to emails and phone calls on Tuesday.
Published: June 14, 2023
We will be closed Monday, June 19 for the Juneteenth holiday, and Tuesday, July 4 for Independence Day. This includes sampling activities.
Published: Dec. 23, 2022
OSCS will operate with reduced staff on December 23 due to the weather in the Willamette Valley. Staff will be reduced to those who can travel safely to work. Your calls and emails will be returned on December 27 after the holiday break. Thank you for your understanding.
Published: Sept. 27, 2022
We will be closed for the following holidays, including for seed sampling:
Monday, January 2, 2023 for New Year's Day
Monday, January 16, 2023 for Martin Luther King Jr. Day
Published: Sept. 27, 2022
The September 2022 version of the Ryegrass Variety Fluorescence Levels recognized by the AOSCA National Grass Variety Review Board is available.
Published: Sept. 2, 2022
We will be closed Monday, September 5, 2022 in observance of the Labor Day holiday. This includes seed sampling.
Published: Dec. 26, 2021
OSU's Corvallis campus, including the Seed Certification office, will be closed on Monday, December 27, 2021 due to inclement weather. OSU alerts can be found here. Sampling in Linn, Lane, and Benton counties will be delayed until conditions improve. Sampling in other… Read More
Published: Nov. 10, 2021
We will be closed Thursday, November 11, 2021 in observance of Veterans Day.
Published: July 9, 2021
Beginning Monday, July 19, we will be changing our office hours to 7:00 AM to 4:00 PM (closed for lunch from 12:00 to 1:00 PM).
Published: April 21, 2020
March 23, 2020
Oregon Seed Certification has made adjustments to our services in accordance with the Oregon State University COVID-19 response policy.
Dear Customers,
Oregon State University (OSU) and the state of Oregon have moved to a higher level of… Read More
Published: Nov. 6, 2019
It's official - WE CERTIFY HEMP SEED!
As of July 1, 2019, Oregon Seed Certification Service will be certifying approved varieties of industrial hemp seed. Interested? Visit our new Hemp crop information page at https://seedcert.oregonstate.edu/crop-information/hemp. Signups for this crop are not… Read More
Published: Aug. 22, 2019
OSCS fees were updated on July 1, 2019. Current information can be found on our Fees and Deadlines page.