Welted Thistle (Carduus Crispus) is a biennial herb in the Asteraceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Carduus crispus is a biennial herbaceous plant known for its spiny stems and purple flowers, native to Eurasia and often found in disturbed habitats.

Welted Thistle

Welted Thistle

Carduus Crispus

Carduus crispus is a biennial herbaceous plant known for its spiny stems and purple flowers, native to Eurasia and often found in disturbed habitats.

Quick Facts

Type
herb
Lifecycle
biennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-9

Safety

🐕
Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:pollinator support, ornamental, erosion control

Care Calendar

Monthly care tasks for Welted Thistle

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

Welted Thistle
Welted Thistle detail

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Taxonomy

Family:Asteraceae
Genus:Carduus