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Description
Cirsium Carniolicum, also known as the alpine thistle, is a perennial plant species native to the European mountains. It belongs to the Asteraceae family, which includes about 23,000 species of flowering plants. The plant has a long stem, which can grow up to 100 cm in height, and produces purple or pink flowers that bloom from June to August.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
Appearance
The leaves of Cirsium Carniolicum are green, spiny, and hairy, and can grow up to 20 cm in length. The flowers are arranged in clusters at the top of the stem, and each flower head can produce up to 100 florets. The petals are purple or pink, and the flowers are surrounded by spiky bracts. The plant produces a large number of seeds, which are dispersed by the wind.
Care Guide
Cirsium Carniolicum is a hardy plant that can tolerate cold temperatures and harsh conditions. It prefers well-drained soil and full sunlight, but can also grow in partial shade. The plant requires regular watering, especially during hot and dry periods, and benefits from occasional fertilization. It is suitable for hardiness zones 4 to 7.
Common Pests & Diseases
Cirsium Carniolicum is generally resistant to pests and diseases, but can be affected by aphids, spider mites, and rust. To prevent infestations, it is recommended to inspect the plant regularly and remove any infected parts. In severe cases, chemical treatments may be necessary.
Habitat
Cirsium Carniolicum is native to the European mountains, where it grows at high altitudes in rocky and gravelly soils. It can be found in alpine meadows, pastures, and slopes, and often forms dense patches. The plant is adapted to cold and windy conditions, and can survive in areas with low precipitation.
Question and Answer
Q: Is Cirsium Carniolicum a good plant for a rock garden?
A: Yes, Cirsium Carniolicum is a great plant for a rock garden, as it prefers well-drained soils and can tolerate harsh conditions.
Q: Can Cirsium Carniolicum be grown from seed?
A: Yes, Cirsium Carniolicum can be grown from seed. The seeds should be sown in early spring in a well-draining soil mix, and kept moist until germination.
Q: How often should Cirsium Carniolicum be fertilized?
A: Cirsium Carniolicum benefits from occasional fertilization, especially in poor soils. A slow-release fertilizer can be applied in early spring, and repeated every two or three months.
Q: How can I propagate Cirsium Carniolicum?
A: Cirsium Carniolicum can be propagated by division in early spring or fall. The plant should be dug up and separated into smaller clumps, which can be replanted in a well-draining soil mix.
Related Plants
- Cirsium Arvense
- Cirsium Vulgare
- Cirsium Rivulare
- Cirsium Oleraceum
References
- Flora Europaea: Cirsium Carniolicum
- Missouri Botanical Garden: Cirsium Carniolicum
- Royal Horticultural Society: Cirsium Carniolicum
- University of Vermont: Cirsium Carniolicum
