Shannon Potatoes This page first published: Apr 6, 2005 · Updated: May 12, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Shannon are oval potatoes with red skin and white flesh. These are waxy potatoes, but are marketed as all-purpose for direct to consumer sales. Early harvest. History Notes Shannon Potatoes were developed in 1990.