Centaurea nigrescens
TAXONOMIE
FamilleAsteraceae
GenreCentaurea
Zone4
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Plants of the World OnlineÀ PROPOS
Centaurea nigrescens, commonly known as Tyrol knapweed, is a perennial plant in the Asteraceae family. It is native to Europe and prefers temperate climates. The plant is known for its attractive pink to purple flowers and can be found in meadows, pastures, and along roadsides. It undergoes a dormancy period during the winter months.
AUSSI CONNU SOUS LE NOM
Black Knapweed
Centaurea dubia subsp. nigrescens
Centaurea dubia subsp. vochinensis
Centaurea jacea subsp. nigrescens
Centaurea nigrescens var. nigrescens
Jacea nigrescens subsp. nigrescens
APERÇU
VPDCalculer
EauSec
SolLimoneux
LumièreLumière directe (6 Heures)
Température20° C
Humidité50
Dormance3 Mois
pH6,5
Pression1 013
DÉTAILS
Instructions d'entretien
Centaurea nigrescens requires bright, direct sunlight for optimal growth. It thrives in moderate temperatures and prefers environments with moderate humidity. Regular watering is necessary, but the soil should be allowed to dry out almost completely between waterings. The plant can tolerate a range of temperatures but does best in temperate climates.Sol
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. Good drainage is essential to prevent root rot. A mix of garden soil with some sand and organic matter works well for Centaurea nigrescens.Engrais
A balanced fertilizer with a nutrient composition of 5-10-10 is suitable for Centaurea nigrescens. Fertilize the plant once in early spring and again in mid-summer to support its growth and flowering.Rempotage
Repotting is generally not necessary for Centaurea nigrescens as it is typically grown outdoors. However, if grown in a container, repotting should be done in early spring before new growth begins. Use a well-draining soil mix and ensure the new pot has adequate drainage holes.Propagation
Centaurea nigrescens can be propagated by seeds or division. Seeds should be sown in early spring, while division can be done in early spring or fall. Ensure that each division has a healthy root system and plant them in well-prepared soil.Taille
Pruning is beneficial for Centaurea nigrescens to maintain its shape and encourage more blooms. Deadhead spent flowers regularly to promote continuous flowering. Cut back the plant in late fall after the first frost to prepare it for dormancy.Toxicité
Centaurea nigrescens is not known to be toxic to pets or humans. However, as with all plants, it is advisable to prevent pets and children from ingesting any part of the plant.RÉVOLUTIONNEZ LE SOIN DE VOS PLANTES
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