Witch Hill Potatoes This page first published: Apr 6, 2005 · Modified: May 18, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Witch Hill Potatoes are oval with smooth, light-buff skin. These are floury potatoes with good flavour. Early harvest. Popular in Scotland. History Notes Witch Hill Potatoes were developed in Cornwall, England. Released 1881.