Giant Hogweed | Heracleum mantegazzianum
Photo Credit: Leslie J. Mehrhoff
Photo Credit: Leslie J. Mehrhoff
Photo Credit: Leslie J. Mehrhoff
Biennial or perennial; stems are hollow, dark reddish-purple in color, and covered in sturdy bristles. Flowers in its final year (2-5 years), many white flowers clustered in an umbrella-shape. Large (up to 5’ wide), lobed leaves with toothed margins.
Plant Details
| Habitat Notes | Moist disturbed sites, roadsides, ditches, along streams and open woodlands. |
|---|---|
| Mature Height | 6’-16’ |
