State Extension Information: Conifers can be found in all 50 of the United States, but each state may have conifers that are specific to that state, and may require different needs. Some diseases may only affect conifers in a certain region. See below for links to the most visited webpages related to conifers on every extension site in the United States.

Conifer Information on State Cooperative Extension Websites

Conifer Resource Sheets for Specific Metro Areas: These sheets provide information on websites, public gardens, private gardens open by appointment, nurseries and books that are relevant to specific geographic areas. They are available to logged in members only. If you are a member and do not see them, please log in to view.

Conifer Resource Sheet Portland OR

Conifer Resource Sheet Seattle WA

Conifer Resource Sheet San Francisco Bay Area