| Scientific Name: | Heracleum mantegazzianum |
| Common Name: | giant hogweed |
| Family Name: | Apiaceae |
| Origin: | Central / west Asia |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Biennial, Herbaceous perennial, Invasive plant |
| Mature Size: | 3 - 5m x 2 - 3m (height x width) |
| Habit: | Upright |
| Form: | Vase |
| Texture: | Coarse |
| Landscape Uses: | n/a |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Lobed, Alternate, Soft flexible, Pinnate venation, Pubescent, Ovate, Dentate, Incised, Palmately lobed, Pinnately lobed, Serrate |
| Flowers: | Umbel, White, Jun-Jul |
| Fruit: | Schizocarp, Brown, Jul-Aug |
| Key ID Features: | |
| Stems green with obvious purple blotches, stiff white hairs (especially at nodes); leaves alternate, ovate, most lower leaves 1 to 2.5(-3)m long x 0.5m to 1.7m wide, deeply lobed, surfaces coarse and with bristly pubescence (espicailly along the underside veins), margins sharply and irregularly toothed and serrate with sharp points; umbels compound, 20-50(-80)cm wide, flowers tiny, white, June-Jul. | |