Resources

Pesticide Free Pledge
Xerces Society
Chart showing estimated bee species supported by various flowering plants, from Varileaf phacelia to Yarrow, with the highest number supported by California poppy and the lowest by Varileaf phacelia.
Autumn leaves background with text promoting leaving leaves on the ground to serve as habitat for insects and animals, improving soil health with hashtag #LeaveTheLeaves and organization xerces.org.
Book cover titled "Native Thistles: A Conservation Practitioner's Guide" featuring a close-up photo of a monarch butterfly on a purple thistle flower, with a purple background and the Xerces Society logo.
Sauvie Island Native Nursery
Backyard Habitat Program
Bloom Calendar
Oregon Flora Database
Lush green landscape with dense trees and urban weeds in the foreground. The text overlay reads 'Urban Weeds' with a subtitle 'Control them before they control you!' and the East Multnomah Water Conservation District logo in the bottom left corner.
Cover page of the Portland plant list that the Bird Alliance of Oregon backyard habitat program uses for certification.
Cover page of a weed identification guide featuring a collage of various weeds and plants, with logos of the City of Portland and Portland Environmental Services, and text indicating it is a weed identification guide revised in May 2017.