Sainsbury’s expects strawberry sales to increase by 700% during the British season (April to October)   London, 2017-Jul-08 — /EPR Retail News/ — Sainsbury’s expects strawberry sales to increase by 700% during the British season (April to October) with sales peaking during Wimbledon. During summer, the traditional courtside snack are the retailer’s best-selling product for four months,…