information
Memorial Day closure

Most City of Portland offices will be closed Monday, May 27, in observance of Memorial Day.

Invasive Plants

Program
Invasive plants can reproduce rapidly and spread quickly, taking space, nutrients, water, and light from other plants. The City is working to control invasive plants that damage infrastructure, streams, parks, and natural areas. Portlanders can help.
Photo shows a mound of vining plants covering everything underneath it with a forest background.

Contact

Contact

Early Detection and Rapid Response (Invasive Plants)

Environmental Services