Landscape Technology: Websites

Events including the annual Garden Tour; news, and education for professional landscape designers in Oregon and Washington

Certification of landscape designers; link to Oregon chapter; search for a designer. Current issue of The Designer Magazine available to read online.

Volunteer organization, for professional and amateur gardeners alike. The organization has a library available for members. Lots of events are listed.

ISA provides certification for Arborists. Links, events, resources for tree care professionals

Certification, training, events for irrigation professionals.

(formerly Professional Landcare Network). Offers advocacy and certification for lawn care, horticulture, and landscape industry professionals.

Works to preserve native plants, and for habitat conservation in Oregon; provides field research grants.

Nonprofit trade organization for the Nursery industry in Oregon. News, events, scholarships.

Not-for-profit organization for the landscape industry in Oregon. Certification, events, and resources for landscape contractors

Gardening information from the regional Extension Service, at Oregon State University

Browse collections of botanical images.

Pamphlet, courtesy of the Nature Conservancy on Oregon non-invasive plants.

Links to plant identification and growing guides

Identify trees in the United States by their leaves.

A forum for the discussion of the technical and aesthetic issues involved in landscape and garden design. Produced by GardenWeb

Oregon State University. Department of Horticulture. Over 1700 plants are identified.

Links and advice for the local climate

National Resources Conservation Service, USDA. Search by state. Lists available include noxious weeds, plants endangered in the United States.

Native and noxious plants, in the Portland, Oregon area

Database of phylogenetic knowledge

Poster