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McGregor Seed

The highest quality, grown from the highest standards

Our McGregor Seed team is committed to delivering the highest quality. We utilize advanced genetics from PNW-focused breeding programs, industry-leading seed treatments, and specialized equipment for seed processing. Our team of industry experts, backed by localized research, works diligently to ensure that the right variety is planted on the right acre.


We offer custom cleaning for organic and conventional seed and a devoted line to customize added treatments. Plus, on-site drying equipment assures your seed meets moisture content requirements. Bagged, boxed, toted, or trucked – pick the container that works for your operation! Interested in production contracts? We do those, too.


We have an extensive network of knowledge and expertise within our company and through those we partner with. Our reputation for innovation and leadership since the pioneer days of the industry continues today as we serve area growers with the highest-quality products and services.


McGregor Seed is one of the largest producers of certified cereal seed in the Pacific Northwest. With plants in Clyde, Pendleton, Quincy, and Warden PLUS distribution through McGregor retail locations in Adams, Pomeroy, Prescott, LaCrosse, and Ritzville, McGregor Seed is a prominent supplier of seed to certified seed dealers throughout the region.

TMC Genetics

Backed by research, our premium TMC Genetics line carries only the highest quality grown from the highest standards. A variety with the premium TMC Genetics ‘stamp’ is going be locally proven, serving a specific and unfulfilled niche to PNW growers while driving maximum production.

FIND US NEAR YOU

Adams
76931 Mann Road
PO Box 39
Adams, OR 97810
Directions
Clyde – Seed Distribution
14432 Lyons Ferry Road
Prescott, WA 99348
Directions
Lacrosse
1 Railroad Avenue
PO Box 205
Lacrosse, WA 99143
Directions
Pendleton – Seed Distribution
4411 NW McKennon Road
Pendleton, OR 97801
Directions
Pomeroy
235 Highway 12 E
Pomeroy, WA 99347
Directions
Prescott – Seed Distribution
413 May Street
Prescott, WA 99348
Directions
Quincy – Seed Distribution
601 E Division
PO Box 307
Quincy, WA 98848
Directions
Ritzville
1284 N Freese Road
PO Box 466
Ritzville, WA 99169
Directions
Waitsburg
115 Garden Street
PO Box 37
Waitsburg, WA 99361
Directions
Warden – Seed Distribution
1600 W 1st Street
PO Box 866
Warden, WA 98857
Directions