Aroids
Amorphophallus, Arisaema, Arisaema, Arisaema, International Aroid Society, Paghat's Garden: Jack-in-the-Pulpits, Aroids,, Suite101: Wild, Wonderful Aroids, Universiteit Utrecht Botanic Gardens: Arisaema
Associations
American Brugmansia and Datura Society, American Hibiscus Society, International Lilac Society, National Chrysanthemum Society
Allexperts: Perennials
Volunteer experts answer questions about perennials.
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 and Spanish]
Gazebo Gardens
Garden tours and links, specializing in perennials.
General Maintenance of Herbaceous Ornamentals
Includes information and pictures.
Gerbera Daisy
Cultivation and care of Gerbera or African daisy.
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 of Heritage Perennials, and information on perennials.
Ian's Chrysanthemum Page
Tips and advice for growing, along with photographs, society details, and shows to visit.
Osteospermums
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 Creative Gardener
Features articles on garden design using color, texture, form, illustrations, and photos. Virtual garden tour.
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.