According to market analyst AC Nielsen, sales of blueberries have rocketed by £55 million (€81 million) in two years, from £40 million (€59 million) in May 2005 to around £95 million (€140 million).
In addition to the 132% increase in blueberry sales, spinach sales are reported to have grown by 26% in the same period, with the market currently valued at £42 million (€62 million).
