Mountain Thistle (Cirsium Scopulorum) is a biennial herb in the Asteraceae family with easy care difficulty. It requires low watering and full sun light in USDA hardiness zones 3-7. This plant is safe for cats and dogs.
A tall, spiny biennial thistle native to the Rocky Mountains.

Mountain Thistle
Cirsium Scopulorum
A tall, spiny biennial thistle native to the Rocky Mountains.
Quick Facts
Type
herb
Lifecycle
biennial
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun
Hardiness Zones
3-7
Safety
🐕
Pet Safe
👶
Child Safe
✅
Non-Toxic
Growing Conditions
Soil Types:rocky, loamy, sandy
Indoor:No
Outdoor:Yes
Garden Use:specimen, pollinator support
Care Calendar
Monthly care tasks for Mountain 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

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Taxonomy
Family:Asteraceae
Genus:Cirsium