Showcases new varieties of flowers, vegetables, and plants for garden performance.

Features a new plant every week, with photo, description, and cultural information. Previously featured plants can be selected by botanical or common name. Focus is on plants for greenhouse culture.

This resource for gardeners in the Denver metro area includes a sizeable database of plants with photos and cultural information.

Features searchable database of thousands of plants, with basic information and often photos. Includes many succulents, herbs, and tropical fruit trees.

Describes plants that lived during the age of the dinosaurs, with brief information, lists, and links to other resources for plants of the mesozoic era.

Searchable database containing the results of Chicago Botanic Garden plant trials. Each entry contains a rating, photos, and cultural information.

Garden plant finder. Searchable by garden conditions and design requirements such as flower color, size and growth habit. Search results include plant photo and summary information.

Features hundreds of plant portraits, each illustrated with several photos, documenting the garden uses and cultural requirements of each species or cultivar.

Collection of hundreds of plant photos with brief descriptions. Each of the plants grows in India, but both natives and non-natives are featured.

Descriptions of different types of flowers suitable for small gardens. Includes Phlox, Nasturtium, Lobelia Carnation, Zinnia, Alyssum, Begonia, and Dahlia.

Pacific Northwest gardener presents essays for hundreds of species growing in her garden, with personal notes, history, cultural information, and photos for each.

Guide to growing and caring for houseplants, vegetables, trees and shrubs. Also features common pests and a miscellaneous section. From the University of Saskatchewan Extension.

Features a searchable, multilingual garden plant encyclopedia, with a summary of cultural and botanical information and in many cases photos.

Gardener Mark McDonough presents horticultural musings and illustrated plant studies, with particular emphasis on alliums and other bulbs for rock gardens.

Resource centre for rare and unusual plants, particularly those which have edible, medicinal or other uses. Offers a plant database, and various articles on gardening, perennials, and habitats.