Centaurea calcitrapa
TAXONOMY
FamilyAsteraceae
GenusCentaurea
Zone6
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Centaurea calcitrapa, commonly known as the Red Star-thistle or Purple Star-thistle, is a member of the Asteraceae family. It is native to Europe and parts of Asia but has spread to other regions, including North America. This plant is known for its spiny appearance and purple flowers. It typically grows in dry, disturbed areas and is considered a weed in some regions.
ALSO KNOWN AS
Red Star Thistle
Centaurea calcitrapoides
Rhaponticum calcitrapa
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Centaurea calcitrapa is relatively easy to care for. It prefers full sun and can tolerate dry conditions. Moderate temperatures are ideal for its growth. It does not require high humidity and can thrive in average household conditions. Regular watering is necessary, but the soil should be allowed to dry out between waterings.Soil
This plant prefers well-draining soil, such as loam. It can tolerate poor soil conditions but thrives best in moderately fertile soil. Ensure the soil has good drainage to prevent waterlogging, which can harm the plant.Fertilizer
Centaurea calcitrapa does not have high fertilizer requirements. If desired, a balanced fertilizer can be applied sparingly during the growing season to promote healthy growth.Repotting
Repotting is not typically necessary for Centaurea calcitrapa, as it is often grown outdoors. However, if grown in a container, repotting can be done in the spring when the plant outgrows its pot. Use a well-draining soil mix and ensure the new pot has adequate drainage holes.Propagation
Centaurea calcitrapa can be propagated by seeds. Sow the seeds in the spring in well-draining soil. Keep the soil moist until germination occurs. The plant can also self-seed in suitable conditions.Pruning
Pruning is not generally required for Centaurea calcitrapa. However, removing spent flowers can help prevent self-seeding and maintain a tidy appearance. Use clean, sharp scissors or pruning shears to remove the spent blooms.Toxicity
Centaurea calcitrapa is not known to be toxic to pets or humans. However, its spiny nature can cause physical discomfort if handled without care.REVOLUTIONIZE YOUR PLANT CARE
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