- Agribusiness Online Crop Guides - Production and postharvest technical information for individual crops.
- Australian New Crops Project - Encouraging the commercialisation of potential new crops (including herbs, spices, and other horticultural crops) in Australia. Includes newsletter and links.
- Colorado State University Specialty Crops Program - Describes current research and grants for specialty crops in Colorado with emphasis on organic, small farm, and sustainable agriculture research.
- Comprehensive Listing of Alternate and Botanical Names for Horticultural Crops - Sydney Postharvest Laboratory - Searchable by common names, alternate names and botanical names.
- Controlled Environment Agriculture Center, University of Arizona - Details of the center, and of growing crops by protected cultivation.
- Ecocrop - Database interface that identifies suitable plants for a specified environment, for a defined use, or for a defined description.
- Gardenet - Online horticultural information service. Australia.
- Henry Doubleday Research Association. - The HDRA researches and promotes organic gardening in the UK.
- Hort Extension - Archive of horticultural information for producers and gardeners from Texas A&M and the Texas Extension Service. Features publications, newsletters, information about specific plants, IPM, and master gardener programs.
- Horticultural Engineering - Contains information about aspects of engineering, including glasshouse construction and energy conservation, from Rutgers University.
- Horticulture Resources - Information about the horticultural technology with links to the Journal of Applied Horticulture, and horticultural societies.
- Institute Economics in Horticulture - German research institute based at Hanover University. Site in German and English.
- Institute of Vegetables and Ornamental Crops - The Institute carries out basic and applied research supporting the sustainable production of vegetable and ornamental plants and the rational use of natural resources.
- International Bulb Society - A non-profit organization dedicated to sharing knowledge, conducting research, and promoting conservation of geophytic plants, most usually known as "bulbs".
- International Cultivar Registration Authorities - Information on the distinct authorities, how to chose and register a name, symposia and calendars.
- International Society for Horticultural Science - Includes general and specific scientific information, links to journals, events calendar.
- Mid-Atlantic Horticulture Short Course - Annual event sponsored by the Virginia Horticultural Foundation, with programs for professionals as well as home gardeners. Overview of workshops and speakers.
- NC State Horticulture - Teaching, research, and outreach in horticulture, including basic biology, ecology, production and use of horticultural products.
- NSW Department of Primary Industries: Horticulture - Australian government agency provides information on home and commercial horticulture of fruit, vegetable, and ornamental crops, with an extensive list of articles on many topics.
- Peak Research - Carries out a wide range of efficacy and residue work on horticultural crops throughout the North Island of New Zealand, and offer off-season research for Northern Hemisphere companies.
- Plant Oils - Provides information, resources and web links for over 200 plant oils and other plant extracts.
- PlantAmnesty - Information on quality gardening and landscaping practice, especially with regard to pruning of shrubs and trees.
- Plantscope - Searchable database of ornamental and fruit crops, offering photos and characteristics of a large number of plants traded in the Netherlands. English/Dutch/German.
- Sydney Postharvest Laboratory - Serving the fresh fruit and vegetable industry, for matters including evaluation of postharvest technologies, storage and handling software, assistance with commercialization, patents, expert testimony, and cargo loss. Located in Sydney, Australia.
- Technical Manual on Small-Scale Processing of Fruits and Vegetables - Examines the socioeconomic benefits and effects on rural development of small agroindustrial enterprises in Latin America and the Caribbean. Used as a guide for the activities that the United Nations FAO carries out in these areas.
- The American Society for Horticultural Science - Promotes and encourages scientific research and education in horticulture within the United States and throughout the world. Publisher of HortScience, HortTechnology, and the Journal of ASHS.
- The Center for Urban Horticulture - Conducts research, teaching, and public service on the selection, management and role of plants and ecosystems in the urban environment. At College of Forest Resources, University of Washington, Seattle.
- The Horticultural Taxonomy Group - Gives the history of HORTAX, an association of taxonomists and horticulturists interested in the classification and nomenclature of cultivated plants, member information and links to the archives of HORTAX News.
- Traditional Pacific Island Crops - AgNIC guide to web resources. Includes information on cultivation, marketing, harvest, nutrition, recipes, and trade associations
- Turf to Trees Horticulture Forums - Provides a message board for exchanging ideas and information on plants, grass, trees, landscaping, greenskeeping, arborist work, design, soil care and forests.
- Yosef Mizrahi's Homepage. - Biological and horticultural aspects of wild and rare fruit and nut trees of warm climates. Biology of cacti. Abnormally-ripening-fruit mutants.
- Botanical Gardens@ (143)
- Publications (8)
