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Description
Carduus Crispus, also known as curly or welted thistle, is a biennial plant species belonging to the Asteraceae family. The plant is native to Europe, but has been introduced to other parts of the world, including North America. The plant is known for its rosette of spiny leaves that grow up to 1 meter in height, and its purple flowers that bloom in the summer. The plant’s roots, seeds, and leaves are used in traditional medicine to treat various ailments, including liver and gallbladder problems.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Carduus |
Appearance
Carduus Crispus has a rosette of spiny leaves that grow up to 1 meter in height. The leaves are grayish-green and covered in white hairs. The plant’s stem is tall and bristly, and can reach up to 2 meters in height. The plant produces purple flowers that bloom in the summer, and are surrounded by spiny bracts. The flowers are followed by small, brown seeds that are dispersed by the wind.
Care Guide
Carduus Crispus prefers well-drained, fertile soil, and full sun to partial shade. The plant needs regular watering, especially during dry spells, and should be fertilized with a balanced fertilizer in the spring. The plant is hardy in USDA zones 4-8, and should be protected from harsh winter weather.
Common Pests & Diseases
Carduus Crispus is susceptible to several pests and diseases, including thrips, aphids, and rust. Thrips and aphids can be controlled with insecticidal soap, while rust can be controlled with a fungicide. The plant is also prone to root rot if it is overwatered or planted in poorly drained soil.
Habitat
Carduus Crispus is native to Europe, but has been introduced to other parts of the world, including North America. The plant grows in a variety of habitats, including meadows, pastures, and waste areas. In North America, the plant is considered an invasive species in some areas.
Question and Answer
Q: Is Carduus Crispus edible?
A: The plant’s roots, seeds, and leaves are used in traditional medicine, but are not commonly consumed as food.Q: Can Carduus Crispus be grown in containers?
A: The plant can be grown in containers, but will need a large pot and plenty of space to grow.Q: Does Carduus Crispus attract pollinators?
A: Yes, the plant’s purple flowers attract bees, butterflies, and other pollinators.Q: Is Carduus Crispus toxic to pets?
A: The plant is not considered toxic to pets, but its spiny leaves can be harmful if ingested.
Related Plants
- Carduus Nutans
- Carduus Marianus
- Carduus Acanthoides
- Carduus Pyrenaicus
References
- CABI. (2021). Carduus crispus (curly thistle). Invasive Species Compendium. https://www.cabi.org/isc/datasheet/10971
- Missouri Botanical Garden. (n.d.). Carduus crispus. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c184
- RHS. (n.d.). Carduus crispus. https://www.rhs.org.uk/plants/11367/carduus-crispus/details
