Our aquatic plant specialist explains the differences between invasive and native milfoils, why native milfoils are important ...

It is an impressive plant with a long bloom time, but tends to sell out as soon as a nursery gets it in stock. Marianne Binetti has a degree in horticulture from Washington State University and is ...

This makes ecosystems less healthy and more susceptible ... which is non-native to Washington, is one type of plant that is legally allowed to be sold in the state despite being considered ...

“This is a serious blow to these imperiled plants and state and federal agencies must protect them.” Bradshaw’s lomatium is an herb only found in open, seasonally wet prairies in Oregon and Washington ...