Ragged Thoroughwort (Eupatorium Pilosum) is a perennial herb in the Asteraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Eupatorium pilosum is a perennial herb native to North America, known for its ragged leaves and white flower clusters.

Ragged Thoroughwort

Ragged Thoroughwort

Eupatorium Pilosum

Eupatorium pilosum is a perennial herb native to North America, known for its ragged leaves and white flower clusters.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
5-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, loamy, peaty
Indoor:No
Outdoor:Yes
Garden Use:pollinator support, specimen, meadow planting

Care Calendar

Monthly care tasks for Ragged Thoroughwort

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

Ragged Thoroughwort
Ragged Thoroughwort detail

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Taxonomy

Family:Asteraceae
Genus:Eupatorium