Gray Thistle (Cirsium Griseum) is a biennial or perennial herb in the Asteraceae family with moderate care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 4-7. This plant is safe for cats and dogs.
Cirsium griseum is a biennial or perennial thistle native to Colorado, typically found in montane to alpine habitats.
Gray Thistle
Cirsium Griseum
Cirsium griseum is a biennial or perennial thistle native to Colorado, typically found in montane to alpine habitats.
Quick Facts
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Growing Conditions
Care Calendar
Monthly care tasks for Gray Thistle
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
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Growth Hack
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