Peregrine Thistle (Cirsium Cymosum) is a biennial or perennial herb in the Asteraceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 6-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Cirsium cymosum is a biennial or perennial herb native to western North America, especially California, characterized by its soft and coarse hairs and sometimes cobwebby fibers.

Peregrine Thistle

Peregrine Thistle

Cirsium Cymosum

Cirsium cymosum is a biennial or perennial herb native to western North America, especially California, characterized by its soft and coarse hairs and sometimes cobwebby fibers.

Quick Facts

Type
herb
Lifecycle
biennial or perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
6-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, rocky
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Peregrine 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

Peregrine Thistle
Peregrine Thistle detail

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Taxonomy

Family:Asteraceae
Genus:Cirsium