Giant Hogweed (Heracleum Mantegazzianum) is a perennial herb in the Apiaceae family with expert care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Heracleum mantegazzianum, commonly known as Giant Hogweed, is a very large invasive plant native to the Caucasus Mountains, known for its towering height and large umbrella-shaped clusters of white flowers.

Giant Hogweed

Giant Hogweed

Heracleum Mantegazzianum

Heracleum mantegazzianum, commonly known as Giant Hogweed, is a very large invasive plant native to the Caucasus Mountains, known for its towering height and large umbrella-shaped clusters of white flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Expert
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, silty, clay
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Giant Hogweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Giant Hogweed
Giant Hogweed detail

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Taxonomy

Family:Apiaceae
Genus:Heracleum