Carduus nigrescens
TAXONOMY
FamilyAsteraceae
GenusCarduus
Zone5
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Carduus nigrescens, commonly known as the black knapweed or black thistle, is a species of flowering plant in the family Asteraceae. It is native to Europe and is often found in meadows, pastures, and along roadsides. The plant is known for its spiny leaves and purple flower heads.
ALSO KNOWN AS
Melancholy Thistle
Thistle
Carduus nigrescens subsp. spiniger
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Carduus nigrescens prefers full sun and can tolerate a range of temperatures, though it thrives in moderate conditions. It does not require high humidity and can grow well in average household humidity levels. Water the plant when the soil is almost completely dry, but avoid waterlogging.Soil
This plant prefers well-draining loamy soil. It can tolerate a range of soil types but thrives best in moderately fertile soil. Ensure the soil has good drainage to prevent root rot.Fertilizer
Carduus nigrescens does not have high fertilizer requirements. If desired, a balanced fertilizer can be applied sparingly during the growing season.Repotting
Repotting is generally not necessary for Carduus nigrescens as it is typically grown outdoors in its native habitat. If grown in a container, repot only if the plant outgrows its pot.Propagation
Carduus nigrescens can be propagated by seeds. Sow the seeds in well-draining soil in the spring. Ensure they receive adequate sunlight and water them moderately until established.Pruning
Pruning is not typically required for Carduus nigrescens. However, removing spent flower heads can help maintain the plant's appearance and prevent self-seeding.Toxicity
Carduus nigrescens is not known to be toxic to pets or humans. However, its spiny leaves can cause minor skin irritation if handled without care.REVOLUTIONIZE YOUR PLANT CARE
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