Our Winthrop Ag Service Center is your destination for crop protection products, liquid fertilizer (10-34-0 and 28%), custom spraying, custom application, and water ($12 per 1000 gallons ans some adjuvants can be added). You can pick up or have your prodcut delivered by the Winthrop Agronomy Shop, just don't forget to call before you come in!

Winthrop Chemicals

701 E 4th Street
Winthrop, Minnesota 55396



Extended hours in-season – please call ahead of time before coming in.

Monday–Friday 7:30 a.m. 4:00 p.m.
Saturday Closed  
Sunday Closed  


  • Agronomy