Bluetta Blueberries This page first published: May 22, 2005 · Updated: Jun 18, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Bluetta are firm, medium-sized blueberries with a medium-blue colour. They grow on a short bush that spreads somewhat. The first pick must be by hand, after that mechanical harvesting is possible. Bluetta Blueberries bushes produces high yields.