Black Knapweed (Centaurea Nigra) is a perennial herb in the Asteraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.
Centaurea nigra is a perennial flowering plant in the family Asteraceae, known for its thistle-like purple flowers and rough foliage.
Black Knapweed
Centaurea Nigra
Centaurea nigra is a perennial flowering plant in the family Asteraceae, known for its thistle-like purple flowers and rough foliage.
Quick Facts
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Growing Conditions
Care Calendar
Monthly care tasks for Black 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
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Growth Hack
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