Canada's Plant Hardiness Site

Heracleum mantegazzianum

giant hogweed, giant cow parsnip, cartwheel flower

Detailed description(s) of the plant's characteristics.
(sites may be external)

• massnrc.org
• weeds.cas.psu.edu
• massnrc.org
• www.agf.gov.bc.ca
• biology.burke.washington.edu
• www.hort.uconn.edu
• nbii-nin.ciesin.columbia.edu
• www.lucidcentral.org
• massnrc.org
• wisplants.uwsp.edu