Shamrock Potatoes This page first published: Apr 7, 2005 · Updated: Jun 1, 2018 · by CooksInfo. Copyright © 2021 · This web site may contain affiliate links · This web site generates income via ads · Information on this site is copyrighted. Taking whole pages for your website is theft and will be DCMA'd. See re-use information. Shamrock Potatoes are round, slightly-flattened potatoes with pink skin, and soft, white flesh. History Notes Shamrock Potatoes were released in 1890.