Red River 1852 summer rape (Brassica napus L.) is the world’s second Roundup Ready™ high erucic acid, low glucosinolate cultivar. It has a 3% yield advantage over Reston high erucic acid, low glucosinolate summer rape in the mid-season zone, is 26 g kg-1 higher in seed oil content than Reston, is equal to Reston in meal protein content and is adapted to all B. napus growing regions of western Canada. Key words: Rape, Roundup Ready™, high erucic acid, low glucosinolate, cultivar description