White Snakeroot (Ageratina Altissima) is a perennial herb in the Asteraceae family with easy care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 4-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Ageratina altissima is a perennial herb native to eastern North America, well known for its white, fluffy flower clusters and poisonous properties.

White Snakeroot

White Snakeroot

Ageratina Altissima

Ageratina altissima is a perennial herb native to eastern North America, well known for its white, fluffy flower clusters and poisonous properties.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Partial Shade, Full Shade
Hardiness Zones
4-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, silty, clay
Indoor:No
Outdoor:Yes
Garden Use:pollinator plant, late-season interest

Care Calendar

Monthly care tasks for White Snakeroot

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

White Snakeroot
White Snakeroot detail

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

Taxonomy

Family:Asteraceae
Genus:Ageratina