Crocus is one of the UK's biggest gardening retailers, stocking everything you need when you're out in the garden. This includes various gardening tools, garden equipment, composts, chemicals, plants (from over 3,000 different plant varieties), garden furniture and gardening inspired gifts. They also provide useful gardening advice and allow you to order online from the catalogue (but not request one).
Dobies Garden Catalogue
If you're looking for seeds and plants, then Dobies is the place to be, with an excellent selection of bulbs, fruit trees and bushes, potatoes, vegetable and flower seeds and more. They're a well respected company with all gardening enthusiasts who only sell direct through their catalogues and website.
Ferndale Lodge Catalogue
At Ferndale Lodge you'll find practical, decorative and innovative products and tools for everyone from the serious garden enthusiast to the professional gardener. Their site and catalogue features over 500 quality gardening products from secateurs to greenhouses, garden tools to compost bins and watering equipment to plant care products.