| Alstroemeria: The Inca Collection: Information about a commercial strain of Inca lilies, including photos, usage and care. |
| Australian Acacias: Information on growing acacias in south-east Queensland from seed. |
| Backyardgardener: Perennial Gardening: Information and resources for perennial gardening. |
| Botany.com Verbena: Information on growing from seed, distribution, appearance, growing conditions, and photos. |
| Chrysanthemums in Aberdeen: Addresses aspects of cultivation, exhibition, show results, and guest articles. |
| Floridata: Verbena bonariensis: Describes how to grow, description of habit and appearance, and natural history of plant. |
| Gardening with Perennials: Provides photos and facts for common species and lists plants used for specific purposes. Includes instructions on cultivation and care. [English, Spanish] |
| Gazebo Gardens: Garden tours and links, specializing in perennials. |
| General Maintenance of Herbaceous Ornamentals: Includes information and pictures. |
| Gerbera jamesonii Adlam: Gerbera or African daisy - ecological, botanical, and horticultural information, with photos. |
| Heleniums: All about this genus of hardy perennials. Information about growth in the wild, history, care and propagation, and an extensive list with descriptions and photos of species and cultivars. |
| Heritage Perennials: Questions and answers, locate a local dealer, and information on perennials. |
| Ian's Chrysanthemum Page: Tips and advice for growing, along with photographs, society details, and shows to visit. |
| Osteospermum.com: Information and photographs of this daisy plant that originates from South Africa. |
| Perennials: Small collection of articles with tips on planting and care. |
| Perennials by Jojo: Weekly articles and discussions about perennials. Author is a professional gardener and propagator. |
| Perennials in Southern Vermont: Pictures of certain plants which thrive during certain months. |
| Perry's Perennial Pages: University of Vermont professor offers experience and research on the subject of perennials. |
| Quadriga: The PeonyPleasureDome: All about herbaceous and tree peonies: extensive list of cultivars with photos, care information, links to peony societies. |
| The Inca Collection: Information about this commercial line of alstroemeria cultivars marketed as a garden and patio plant, with photos and characteristics, care tips, and listing of garden centers selling them. |
| WiseAcre Gardens: North Country perennial and wildflower photographs with plant information, virtual postcards and wallpaper. |
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