Governmental and Non-Profit Organizations

• Plant Information Online is a free service of the University of Minnesota Libraries.
• Use Plant Information Online to discover sources in 999 North American nurseries for 105105 plants, find 366479 citations to 137936 plants in science and garden literature, link to selected websites for images and regional information about 12015 plants, and access information on 2381 North American seed and nursery firms. Plant Information Online is a free service of the University of Minnesota Libraries.
  
• The Japanese Garden Database
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  The Japanese Garden Database is intended as a repository of information on the historical gardens of Japan. It is a non-profit, educational web site that seeks to provide information on a selection of outstanding examples of garden art found in Jap..
  
• HortPlex Plant Database
• HortPlex Plant Database. This HortiPlex database boasts having 93,000 records; 74,000 links; 50,000 taxa; 42,000 cultivars; 11,000 images/image links making it one of the most complete sites of its kind. A query-driven site.
  
• Consumer Horticulture from Virginia Tech
• Consumer Horticulture from Virginia Tech - all sorts of information for the home grower.
  
• Hawaiian native plants
• Hawaiian native plants This is a collection of nearly 400 images of plants occurring naturally in Hawaii. Most of these species are endemic, i.e., unique to Hawaii, USA.
• EPA Green Landscaping
• EPA Green Landscaping with Native Plants Landscaping with native wildflowers and grasses improves the environment. Natural landscaping brings a taste of wilderness to urban, suburban, and corporate settings by attracting a variety of birds, butterflies and other animals.
  
• Oxford College of Garden Design
• The Oxford College of Garden Design’s postgraduate level program is widely regarded as one of the top contemporary garden design courses in the world