Canada's Plant Hardiness Site

Heracleum maximum

cow parsnip, common cow parsnip, masterwort

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

• www.botany.hawaii.edu
• delawarewildflowers.org
• www.friendsofeloisebutler.org
• www.cas.vanderbilt.edu
• biology.burke.washington.edu
• www.ct-botanical-society.org
• calphotos.berkeley.edu