From Oregon State University. This publication gives concise discussions on why, when, and where to collect your soil sample, and straightforward instructions for how to take the soil sample and choose a lab to perform the analysis.
Archives: Recommended Websites
USDA: 2014 Census of Horticultural Specialties
The Department of Agriculture’s most recent exhaustive review of the economic impact of horticulture in the United States.
USDA: Home Gardening
A compilation of subjects from many sources; searchable links.
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.
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.
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.
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.
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 discusses drainage improvements, street improvements, architectural landscape, as well as costs and benefits to the community.
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.
Desert USA: Desert Plants
An informative site with photos and cultural information on a number of desert flowers, trees, and shrubs. It also includes links to related articles about desert wildflowers and life in the desert.