Centaurea ragusina
TAXONOMY
FamilyAsteraceae
GenusCentaurea
Zone7
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Plants of the World OnlineABOUT
Centaurea ragusina, commonly known as the Dalmatian knapweed, is a perennial plant in the Asteraceae family. It is native to the rocky coastal areas of the Dalmatian region in Croatia. The plant is known for its silvery-gray foliage and bright yellow flowers. It does not have a dormancy period and is well-suited to Mediterranean climates.
ALSO KNOWN AS
Dusty-Miller
Ragusa Centaury
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Centaurea ragusina thrives in bright, direct sunlight and prefers moderate temperatures. It should be watered sparingly, allowing the soil to dry out almost completely between waterings. The plant does well in moderate humidity and should be protected from frost.Soil
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. It is important to ensure good drainage to prevent root rot. A mix of garden soil with sand or perlite can be used to improve drainage.Fertilizer
Centaurea ragusina benefits from a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant once a month during the growing season to promote healthy growth and flowering.Repotting
Repotting should be done in the spring when the plant outgrows its container. Choose a pot that is slightly larger than the current one and ensure it has good drainage. Gently remove the plant from its old pot, shake off excess soil, and place it in the new pot with fresh soil mix.Propagation
Propagation can be done through seeds or cuttings. For seed propagation, sow the seeds in a well-draining soil mix in the spring. For cuttings, take a healthy stem cutting in the spring or early summer, dip it in rooting hormone, and plant it in a moist soil mix.Pruning
Pruning is necessary to maintain the shape and encourage bushier growth. Prune the plant in early spring before new growth begins. Remove any dead or damaged stems and trim back leggy growth to promote a more compact form.Toxicity
Centaurea ragusina is not known to be toxic to pets or humans. However, it is always advisable to keep plants out of reach of pets and children to prevent any accidental ingestion.REVOLUTIONIZE YOUR PLANT CARE
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