Horticulture: Websites
Guide to research and library resources related to Horticulture
Professional Organizations
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American Rose SocietyMembership information, local societies, and the Rose of the Month, and, American Garden Rose Selections
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Association of Northwest Landscape DesignersEvents including the annual Garden Tour; news, and education for professional landscape designers in Oregon and Washington
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Association of Professional Landscape DesignersCertification of landscape designers; link to Oregon chapter; search for a designer. Current issue of The Designer Magazine available to read online.
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Food AllianceA nonprofit organization that certifies farms and ranches and food handlers (including packers, processors and distributors) for sustainable agricultural and business practices
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Hardy Plant Society of OregonVolunteer organization, for professional and amateur gardeners alike. The organization has a library available for members. Lots of events are listed.
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International Society of Arboriculture, Pacific Northwest ChapterISA provides certification for Arborists. Links, events, resources for tree care professionals
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Oregon Association of NurseriesNonprofit trade organization for the Nursery industry in Oregon. News, events, scholarships.
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OSU Extension ServiceGardening information from the regional Extension Service, at Oregon State University
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Oregon GardenBotanical garden of Pacific Northwest plant species, located in Silverton, Oregon.
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Native Plant Society of OregonWorks to preserve native plants, and for habitat conservation in Oregon; provides field research grants.
Horticulture Tools
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Botanical Society of America Online Image CollectionBrowse collections of botanical images.
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Common Trees of the Pacific NorthwestIdentify common broadleaf trees and conifers with this guide from Oregon State University
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Consortium of Pacific Northwest HerbariaData and photos of Pacific Northwest flora. Managed by the University of Washington Herbarium.
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GardenVisitGardens from around the world. Reviews, and blog.
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GardenWebGardens of the world; forums and information files for gardeners.
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Global invasive Species TeamPart of The Nature Conservancy's response to abating the damage caused to native biodiversity by the human-facilitated introduction of non-native, harmful invasive species. This website provides many resources designed to help all conservationists deal most effectively with invasive species
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Landscape Plants: Images, Identification, InformationOregon State University. Department of Horticulture. Over 1700 plants are identified.
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Landscape Research Guide, PCC LibraryLandscape and plant identification sources
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Noxious Weed Control, OregonOregon Department of Agriculture (ODA), Noxious Weed Control. Western US invasive Plant EDRR (Early Detection and Rapid Response) Guide.
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Oregon Flora ProjectIncludes newsletter, links to Rare Plant guide, Oregon Plant Atlas, Vascular Plant Checklist
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Oregon Plant AtlasPlant distributions across Oregon. Search by common or scientific name
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Pacific Northwest Home GardenerLinks and advice for the local climate
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Parasitic Plant ConnectionBrowse Order/Family taxa; many photos.
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PLANTS DatabaseNational Resources Conservation Service, USDA. Search by state. Lists available include noxious weeds, plants endangered in the United States.
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Seed Germination DatabaseBrowse alphabetical list from the Backyard Gardener.
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Swingle Plant Digital ArchiveOver 1,700 digitalized micrograph images from more than 250 species of plants collected from all over the world.
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TreeBASEDatabase of phylogenetic knowledge