Outdoor plants for the garden were up 10 per cent while outdoor gardening products rose by 34 per cent.
Overall sales were two per cent up to £120m.
Finance director Tom Athron said sponsorship of the England cricket team helped sales of food and drink, particularly beer, which was up 35-49 per cent.
Sales of tea and coffee rose 40 per cent, while demand for all-butter scones increased by 21 per cent. Cakes were up 25 per cent.
Picnic staples also saw a spike in sales. Sales of Scotch eggs jumped 32 per cent, while pork pies and quiches had 13 per cent and 12 per cent rises respectively.
Pimm's sales climbed 170 per cent. Barbecue and ice cream products did well too.