Clark County officials are warning people after the toxic plant giant hogweed was spotted near Salmon Creek.
The dangerous plant, listed as a Class A noxious weed, can grow up to 20 feet tall with leaves that can span more than three feet.
Its clear, watery sap can cause burning blisters, especially if the skin is exposed to sunlight within 48 hours. The plant can also cause blindness.
Officials said the toxic plant was spotted in the upper reaches of Salmon Creek, its seeds can float downstream.
Clark County's vegetation management is working to get rid of the plant the toxic weed.
Officials said that cow parsnip, a native plant in the area, looks similar to the giant hogweed.
Anyone who spots the weed can contact your county's Noxious Weed Control Board.
More news from KIRO 7
- WATCH: Car crashes into downtown Seattle doughnut shop
- Investigation underway after barista stabbed in grocery store
- Canlis employee suing Uber after fatal sidewalk crash
- Pierce County median home prices up again; no break in rents, either
- Do you have an investigative story tip? Send us an email at firstname.lastname@example.org
© 2019 Cox Media Group.