Send us your tips and pictures and if your letter is published you will get a £10 Dobies voucher. If you are lucky enough to have yours chosen as our Star Letter you will get a £25 voucher. Your voucher will be sent out with a Dobies catalogue and you can choose to spend your winnings on a fabulous range of seeds, young plants and gardening sundries. You can get hold of a copy of the catalogue now by phoning 0844 701 7625 or go online to www.dobies.co.uk