Plant Care and Problem Solving

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Washington State Cooperative Extension

• County Offices - Find the personnel directory and Web site for each office.
• Programs - Agriculture and natural resources contacts and page links.
• Publications - Search by topic or keyword; contains abstracts and full text versions of most extension bulletins.

Gardening in Eastern Washington
Facts, tips, and information for east of the mountains.

Gardening in Western Washington
Facts tips, and information for west of the mountains.

Hortsense
Answers to common gardening problems.

Washington's State Extension Agent Homepage
Washington extension horticulturist and associate professor shares her research and findings on topics ranging from frequently-reported horticultural myths to fact sheets; from landscape rehabilitation projects she has supervised to a list of publications she has authored.

Master Gardener Clinics in King County
Master Gardeners are volunteers, trained by WSU, to provide research-based information on home gardening and pest control. This page lists clinic days, times and locations to all 35 clinics in King County. The clinics are free for non-professional gardeners.

WSU Puyallup Plant Diagnostic Laboratory
A service for professional gardeners and arborists that diagnoses plant and insect samples for a fee.

Washington State Pest Management Resources Service
"A hub for research-based information about pest management practices, including both chemical and alternative control methodologies."

Green Gardening

King County Natural Yard Care

Seattle Public Utilities Natural Lawn & Garden Care

UC Davis IPM Online—Guide to Healthy Lawns: Identification key to weeds

Brooklyn Botanic Garden Natural Insect Control and Disease Prevention

• Natural Pesticides
• Nine Keys to Disease Prevention

California Statewide IPM Project—IPM fact sheets

Missouri Botanical Garden IPM List of Pests by Plant Host

The complete list of Green Gardening Web Resources (pdf) compiled by Librarian Carrie Bowman.

Other Extension, Public and Commercial Sites

Bellevue Utilities Department: Waterwise Gardening
A great resource on designing, installing and maintaining a drought tollerant garden.

California Rare Fruit Growers
This society extends beyond California's borders to provide information on fruit culture whatever your climate zone. It also has excellent bibliographic information and links to other relevant fruit sites.

Caterpillars Mistaken for Gypsy Moth
Good photos of the Gypsy Moth caterpillar to help identification, plus photos of three caterpillars commonly confused with Gypsy Moth.
Identifying Gypsy Moth Early Larval Instars
Photos to identify Gypsy Moth in the caterpillar stage.

City Farmer's Urban Agriculture Notes (Vancouver, B.C.)
Links to articles on composting, worms, food gardens, and the political side of city farming.

Conversion Tables, Formulas and Suggested Guidelines for Horticultural Use
Samples tables include equivalents for liquid measure, dry measure and weight, metric system and fertilizer conversions, formulas for fertilizer calculations, and plant spacing guides.

Cornell Composting
Links and articles, including resources for teachers.

The Decline of the Pacific Madrone
Multiple .pdf files of the publication from the proceedings of the 1995 symposium held at the Center for Urban Horticulture on the Pacific Madrone.

Ecologically Sound Lawn Care for the Pacific Northwest
This report published by Seattle's Public Utilities summarizes research and recommendations from both horticulture scientists and turf professionals.

Frost Dates for Washington
First and last average frost dates for 23 major Washington state cities from Aberdeen to Yakima.

Frost Chart for the United States First and last average frost dates for major American and Canadian cities, plus the number of days in the average growing season for each city.

A Gardener's Guide to Frost
A good article about predicting frost and what, if anything, a gardener can do to protect tender plants.

Garden Guides
A resource for many topics from herbal remedies to rock gardens; includes links.

How To Identify and Control Noninfectious Diseases of Trees
An article by the Northeastern Area of the US Forest Service that describes diseases caused by non-living agents, such as winter damage, sun scald and herbicide damage.

Integrated Pest Management - Topics in Depth
The June 2002 NSDL Scout Report with links to eight IPM sites nationwide.

International Society of Arboriculture Certified Arborists List
To find a qualified arborist in your area search this database by zip code (click "Find certified arborist" to enter the database).

Native Plants Network
Well designed database of native plant propagation techniques.

Northwest Berry & Grape Information Net
Very comprehensive source of information for both the commercial grower and homer gardener on growing berries and grapes in the Pacific Northwest

Northwest Coalition for Alternatives to Pesticides
The NCAP publishes the Journal of Pesticide Reform and works to educate the public about the dangers of pesticides. Go to their Publications section to download information on alternative solutions to pest problems, pesticide fact sheets, and special reports about issues of pesticide reform.

Ohio State University: Factsheet Database
Search the country's extension services by subject. The results are a list of articles that can then be viewed individually.

Oregon State University Extension Service gardening information
A collection of educational essays on a wide range of garden related topics.

Pacific Northwest IPM
"This website has been established to provide educational materials and links for the identification and management of pests in commercial nursery production in the Pacific Northwest."

Plant Disease Control
Oregon State University presents their online version of a guide to plant diseases. Search by the common name of either the plant or the disease. Each record describes the cause, symptoms and control for the particular disease, and most have a picture. The site also gives detailed instruction on how to submit a diseased plant sample to the Oregon State University clinics as well as addresses for the many official County Extension clinics in the Pacific Northwest.

Purdue University: NewCROP Resource Online Program
An extensive searchable index for new or specialty food crops. Geared to the professional grower, yet still useful to the home gardener.

Rx For The Wounded Tree
A pamphlet by the US Forest Service on preventing, identifying and caring for tree wounds.

Seattle Public Utilites: Saving Water Partnership
This informative web site gives water users ideas on how to cut their water consumption.

Seattle Department of Transportation City Arborist's Office and Tree Information
Information about the care and selection of Seattle trees, especially those used for street plantings.

Seattle Street Edge Alternative Project
Seattle's pilot Street Edge Alternatives (SEA Street) is designed to provide drainage that more closely mimics the natural landscape prior to development than traditional piped systems. The site reviews drainage improvements, street improvements, architectural landscape and a discussion of costs and benefits to the community.

Storm Recovery - Trees
A series of articles by the National Arbor Day Foundation about the value of trees and how to rescue trees damaged by storms. Aimed at the media, but useful for anyone interested in saving trees.

Sustainable Agriculture Information Service
Hundreds of free publications from ATTRA - National Sustainable Information Service. Topics include:

• What is Sustainable Agriculture?
• Livestock
• Horticultural Crops
• Marketing, Business & Risk Management
• Field Crops
• Farm Energy
• Soils & Compost
• Education
• Water Management
• Pest Management
• Organic Farming

There's Life in Hazard Trees
A pamphlet from the UW Forest Service that emphasizes the value of wildlife in evaluating tree hazards.

TreeLink: Caring and Maintenance Resources
Provides information, research and networking for people working in urban and community forestry. Includes topics such as caring for trees, diesease, soil, etc.

Tree decay: an expanded concept
A classic handbook by Alex Shigo, tree expert and former pathologist for the US Forest Service. The handbook demystifies how and why trees decay and how decay can be slowed or accelerated.

Trees are Good
Sponsored by the International Society of Arboriculture, this site offers factsheets on tree care and selection as well as a database for finding professional arborists anywhere in the world.

USDA: Home Gardening
A compilation of subjects from many sources; searchable links.

USDA: 1998 Census of Horticultural Specialties
The Department of Agriculture's most recent exhaustive review of the economic impact of horticulture in the United States.

More web site lists:

Select... Arboreta, Gardens and Herbaria Botany and Ecology Horticultual Bookstores and Publishers Libraries Organizations and Plant Societies Pacific Northwest Gardening Connections Periodicals Plant Care and Problem Solving Plant Identification and Selection The Traveling Gardener - Sales, Shows and Travel University of Washington Sites Other Horticulture-Related Sites

Last modified:
Wednesday, 11-Jun-2008 13:21:02 PDT