Nectar and Milkweed Guides

Monarch Nectar Plant Guides

A series of regional guides to native, evidence-based monarch attracting nectar plants available for 15 regions in the U.S. Western guides are listed below:

Milkweed Guides

This guide is an introduction to milkweeds and monarchs in the western U.S., from basic biology to the importance of these species in the landscape and the threats they currently face. Milkweeds and Monarchs in the Western U.S. outlines how land managers can join existing efforts to help western monarchs by identifying and reporting milkweed stands and monarch breeding occurrences on their lands.

Monarch & Milkweed Fact Sheets

Check out the Monarch Joint Venture (MJV) for a variety of of monarch and milkweed fact sheets and other resources. MJV is a partnership of federal and state agencies, non-governmental organizations, and academic programs that are working together to support and coordinate efforts to protect the monarch migration across the lower 48 United States.

About the Western Monarch Milkweed Mapper:

The Western Monarch Milkweed Mapper is a project through the partnership of The Xerces Society, Idaho Department of Fish and Game, Washington Department of Fish and Wildlife, National Fish and Wildlife Foundation, and US Fish and Wildlife Service. Learn more about this project.