This website presents the California Native Plant Society, a national leader in biological diversity conservation science and advocacy. Established in 1965, the CNPS "is a statewide non-profit organization of amateurs...

Tucked away within the numerous specialized subject libraries at the University of Washington is a gem known as the Elisabeth C. Miller Horticultural Library. The library has several main directives, including service to...

This straightforward tutorial on leaf identification comes from the Department of Horticulture at Penn State University. Simple diagrams, helpful photos, and clear explanations make short work of learning the basics of...

Located at the crossroads of the United States, the University of Illinois�s well-regarded Extension division has provided outreach services to the state�s residents for over a century. For over a decade, they have also...

State extension programs are a great way for interested parties to learn about everything from community development to integrated pest management. These publications from the Virginia Cooperative Extension cover these...