Rough Cocklebur (Xanthium Strumarium) is a annual herb in the Asteraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Xanthium strumarium is a coarse, annual herbaceous plant known for its distinctive spiny burs.

Rough Cocklebur

Rough Cocklebur

Xanthium Strumarium

Xanthium strumarium is a coarse, annual herbaceous plant known for its distinctive spiny burs.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:clay, sandy, loamy
Indoor:No
Outdoor:Yes
Garden Use:none, weed

Care Calendar

Monthly care tasks for Rough Cocklebur

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

Rough Cocklebur
Rough Cocklebur detail

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Taxonomy

Family:Asteraceae
Genus:Xanthium