St Louis Potatoes This page first published: Apr 16, 2005 · Modified: Jun 1, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · St Louis Potatoes are a breed of potatoes developed in the 1940s in Minnesota. They are possibly extinct. History Notes St Louis Potatoes were developed by a G.A. Johnson in Hermantown, Minnesota. Released 1943.