DeLange Seed, Inc. is a family-owned regional seed company headquartered in Girard, KS, with satellite operations in Sedgwick and Maize, Kansas. We produce, condition, and distribute crop and field seeds as well as turf grasses, bird seeds, wildflowers, and wildlife habitat seeds. Our philosophy has always been that we are selling seed to our neighbors. As a result, quality, price and service are the foundations upon which our business has been built. View our company profile.