Stanley Blueberries This page first published: May 23, 2005 · Updated: Jun 18, 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. Stanley are sweet blueberries that ripen in July and August. Language Notes Stanley Blueberries were named after Stanley Johnston, a blueberry researcher at Michigan State University, USA.