| Scientific Name: | Heracleum lanatum |
| Common Name: | cow parsnip |
| Family Name: | Apiaceae |
| Origin: | North America |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Herbaceous perennial |
| Mature Size: | 1.3 - 2.0m x 1.0 - 1.5m (height x width) |
| Habit: | Spreading |
| Form: | Round |
| Texture: | Coarse |
| Landscape Uses: | Native planting, Waterside planting |
| Exposure: | Full sun |
| Soil or Media: | Bog, Well-drained |
| Leaves: | Compound, Alternate, Soft flexible, Palmate venation, Pubescent, Tripinnate, Ovate, Palmately lobed, Serrate |
| Flowers: | Umbel, White, Jun-Jul |
| Fruit: | Achene, Schizocarp, Brown, Aug-Sep |
| Key ID Features: | |
| Stems single, pubescent, leafy, hollow, strong pungent odor when mature, green (usually) to purplish (rarely), ridged but not spotted; leaves alternate, ovate, 20-40cm long x 15-35cm wide, petiole base conspicuously inflated and winged, divided in 3 lobed and serrated leaflets; umbels 1-4 from side shoots, 20-30cm wide, florets white, small; schizocarp splitting into two mericarps 8-12mm long x 5-8mm wide. | |