Alan Titchmarsh Web Site: Archive of weekly columns from the Daily Express and Sunday Express, with information on branded products and their stockists.
BBC - Gardening: The BBC's comprehensive reference for gardeners with plant details, gardening projects, illustrated plant features, expert advice, tips and a place to meet other gardeners. Links to its television and radio shows.
Findmeplants.co.uk: Garden plant finder. Searchable by garden conditions and design requirements such as flower colour, size and growth habit. Search results include plant photo and summary information.
Garden World: UK Gardening and garden related articles including Latin names converter.
GardenAction: Features a reference guide to growing vegetables, fruit, and herbs, plus a monthly diary, and frost dates.
Know Your Gardening: Portal with a variety of information, part paid subscription.
Rogers Mushrooms: Details and photographs of 1,500 mushrooms and fungi, plus recipes. Based on 'Mushrooms and other Fungi of Great Britain and Europe' by Roger Phillips.
Rogers Roses: Database of rose images includes 'rose chooser' and search facilities. Based on the work of Roger Phillips and Martyn Rix, authors of many illustrated guides to plants.
The Azure Garden: A fairly small directory of gardening websites on the internet.