Geranium robertianum, Geraniaceae Family
Herb Robert's 5-petaled flowers are in all shades of pink and sometimes white. Overall the plant is covered with short glandular hairs, giving the plant a sticky feel and a distinct odor (sometimes this plant is known as "stinky Bob"). Shallow, weak roots make this plant easy to pull although large infestations can be highly labor-intensive to remove.
Legal status in King County, Washington
This non-regulated Class B noxious weed is widespread in western Washington. Control is recommended, but not required in King County. For more information, see Noxious weed lists and laws.
Additional information on herb Robert
- Washington State Noxious Weed Control Board (external link)
- Herb Robert Weed Alert
- Herb Robert Best Management Practices