Spiny Knapweed (Centaurea Polyacantha) is a perennial herb in the Asteraceae family with easy care difficulty. It requires low watering and full sun light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.
Centaurea polyacantha is a perennial, thistle-like herbaceous plant native to the western and southern Mediterranean, known for its spiny structure and resilience in dry, subtropical environments.
Spiny Knapweed
Centaurea Polyacantha
Centaurea polyacantha is a perennial, thistle-like herbaceous plant native to the western and southern Mediterranean, known for its spiny structure and resilience in dry, subtropical environments.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Spiny Knapweed
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...
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