Italian Thistle (Carduus Pycnocephalus) is a annual herb in the Asteraceae family with easy care difficulty. It requires low watering and full sun light in USDA hardiness zones 6-10. This plant is toxic to cats and dogs — keep it out of reach of pets.
Carduus pycnocephalus is a spiny, erect annual or biennial thistle with purple flower heads, native to Europe and invasive in several regions.
Italian Thistle
Carduus Pycnocephalus
Carduus pycnocephalus is a spiny, erect annual or biennial thistle with purple flower heads, native to Europe and invasive in several regions.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Italian 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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