If you are into gardens etc, make sure you buy the BBC Gardeners World, May edition. Comes with a 2:1 voucher, for use at loads of gardens for 12 months.
Cost for the mag at Waitrose, £9.99.
Entry at Riverhill Gardens £14 pp, thus, only costs £14 for two people.
Um only if you buy the mag anyway otherwise its £23.99.