Sosnowsky's Hogweed (Heracleum Sosnowskyi) is a biennial or perennial herb in the Apiaceae family with moderate 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 sosnowskyi is a large monocarpic biennial or perennial herbaceous plant native to the Caucasus region, known for its impressive size and invasive tendencies.

Sosnowsky's Hogweed

Sosnowsky's Hogweed

Heracleum Sosnowskyi

Heracleum sosnowskyi is a large monocarpic biennial or perennial herbaceous plant native to the Caucasus region, known for its impressive size and invasive tendencies.

Quick Facts

Type
herb
Lifecycle
biennial or perennial
Care Difficulty
Moderate
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
Garden Use:specimen plant, habitat for pollinators

Care Calendar

Monthly care tasks for Sosnowsky's 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

Sosnowsky's Hogweed
Sosnowsky's Hogweed detail

View leaf details, flowers, seeds & more in the app

Taxonomy

Family:Apiaceae
Genus:Heracleum