Ilona Potatoes This page first published: Apr 9, 2005 · Modified: Jun 1, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Ilona Potatoes are round to oval with yellow skin and some netting on the skin, and pale yellow flesh. They grow well in hot areas. They are marketed as all-purpose for direct to consumer sales. Storage Hints Stores well.