giant hogweed
Heracleum mantegazzianum
USDA zones3 to 9
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
Size8 to 15 feet tall3 to 4 feet wide
- Growth rate
- Rapid
- Habit
- Erect
- Bloom season
- Summer
- Bloom color
- White
- Foliage color
- Green
- Soil types
- Sand, loam, clay
Garden uses
Notes
Giant hogweed (Heracleum mantegazzianum) is a perennial for naturalized areas. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full or part sun and average to moist, sandy, loamy, or clay soil. It grows fast and stands erect, reaching 96 to 180 inches tall. White flowers open from early to late summer.
Pairs well with Royal fern, Aspen, and Sea buckthorn.
Native range
Western Caucasus.