Centaurea collina
TAXONOMY
FamilyAsteraceae
GenusCentaurea
Zone5
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Plants of the World OnlineABOUT
Centaurea collina, commonly known as the knapweed, is a perennial plant in the Asteraceae family. It is native to Europe and is known for its vibrant, thistle-like flowers that attract pollinators. The plant typically goes dormant in the winter months.
ALSO KNOWN AS
Acrocentron Collinum
Colline Centaury
Calcitrapa collina
Centaurea cicutaefolia
Centaurea collina var. collina
Centaurea latisquama subsp. collina
Colymbada collina
Setachna collina
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Centaurea collina thrives in bright, direct sunlight and prefers moderate temperatures. It should be watered when the soil is almost completely dry. The plant enjoys moderate humidity and should be protected from extreme cold.Soil
Centaurea collina prefers well-draining loam soil. It can tolerate a range of soil types but does best in soil that is not too rich in nutrients. Good drainage is essential to prevent root rot.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied during the growing season. Fertilize sparingly, as the plant does not require heavy feeding.Repotting
Repotting is generally not necessary for Centaurea collina, but if needed, it can be done in the early spring. Choose a pot that allows for good drainage and use a well-draining soil mix.Propagation
Centaurea collina can be propagated by seed or division. Seeds can be sown in the spring, while division is best done in the fall or early spring. Ensure that each division has a healthy root system.Pruning
Pruning is beneficial for Centaurea collina to encourage bushier growth and more flowers. Deadhead spent flowers to promote continuous blooming. Prune back in late fall to prepare the plant for dormancy.Toxicity
Centaurea collina is not known to be toxic to pets or humans. However, it is always best to keep plants out of reach of pets and children to avoid any accidental ingestion.Additional
Centaurea collina is a great addition to pollinator gardens as it attracts bees and butterflies. It is also relatively drought-tolerant once established, making it a low-maintenance choice for gardeners.REVOLUTIONIZE YOUR PLANT CARE
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