Is Great Marsh Thistle safe for pets?

Yes, Great Marsh Thistle (Carduus Personata) is considered safe for cats and dogs.

Is Great Marsh Thistle easy to care for?

Great Marsh Thistle has a medium care difficulty rating. It requires medium watering and full_sun light.

Can Great Marsh Thistle grow indoors?

Great Marsh Thistle is primarily an outdoor plant and may not thrive indoors without specialized conditions.

Great Marsh Thistle (Carduus Personata) is a perennial herb in the Asteraceae family with moderate care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 5-9. This plant is safe for cats and dogs.

Carduus personata is a perennial herbaceous plant known for its thorny stems and broad leaves, native to Europe.

Last updated: February 2026

Great Marsh Thistle

Carduus Personata

Carduus personata is a perennial herbaceous plant known for its thorny stems and broad leaves, native to Europe.

Quick Facts

Type

herb

Lifecycle

perennial

Care Difficulty

Moderate

Water Needs

Moderate

Light

Full Sun

Hardiness Zones

5-9

Safety

🐕

Pet Safe

⚠️

Not Child Safe

✅

Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, peaty

Indoor:No

Outdoor:Yes

Garden Use:pollinator attractor, ornamental

Care Calendar

Monthly care tasks for Great Marsh 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

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

Taxonomy

Family:Asteraceae

Genus:Carduus