Henriette’s Herbal Pages - One of the oldest and largest herbal information sites on the web.
Mrs Grieve’s Modern Herbal - Online version of A Modern Herbal, first published in 1931, by Mrs. M. Grieve, contains Medicinal, Culinary, Cosmetic and Economic Properties, Cultivation and Folk-Lore of Herbs.
Plants for a Future - Searchable database of over 7000 edible and medicinal plants using a number of search criteria including: common and Latin names, keyword, family, habitat and use.
WikiHerbia - Holistic herbal reference of medicinal of herbs and healing plants.
Herbal Remedies Info - Interesting and information site full of herbal information, remedies and tips.
James Wong's Website - Remedies, recipe, videos and herbal know how from the botany geek guy who brought us 'Grow Your Own Drugs'.
Wild Flowers Of The British Isles - Database with lots of photos that can be used if permission is sought first. Many wildflowers have herbal status e.g. Wild Garlic and Agrimony.