An official website of the United States government Here's how you know

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.

Error:

Javascript is disabled in this browser. This page requires Javascript. Modify your browser's settings to allow Javascript to execute. See your browser's documentation for specific instructions.

USDA FAQ's and resources about coronavirus (COVID-19). LEARN MORE

Plant Health

Hoary Cress

Last Modified: Jun 2, 2020

Field release of the gall mite, Aceria drabae (Acari:Eriophyidae), for classical biological control of hoary cress (Lepidium draba L.,Lepidium chalapense L., and Lepidium appelianum Al-Shehbaz) (Brassicaceae), in the contiguous United States, Environmental Assessment, January 2018 [Finding of No Significant Impact, signed January 8, 2018]

Complementary Content

Hoary Cress

Additional Information