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Description
Cirsium Maackii is a species of thistle native to Asia, particularly in Japan, Korea, and China. It is also known by its common names, Maack’s thistle, and Korean thistle. The plant can grow up to 200 cm in height and has a stout stem with a greenish-grey color. Its leaves are dark green and deeply pinnatifid with sharp and spiny margins. The flowers of Cirsium Maackii are pinkish-purple and are arranged in clusters at the top of the stem.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
Appearance
Cirsium Maackii is a tall and robust plant with a stout stem that can grow up to 200 cm in height. The stem is greenish-grey in color and is covered with fine hairs. The leaves of the plant are dark green and deeply pinnatifid, which means they are divided into numerous segments with sharp and spiny margins. The flowers of Cirsium Maackii are pinkish-purple and are arranged in clusters at the top of the stem. The plant blooms from July to September.
Care Guide
Cirsium Maackii is easy to grow and care for. Here are some important tips:
- Water: The plant requires moderate watering. Water it regularly but make sure not to overwater it.
- Fertilization: Fertilize the plant once every two weeks during the growing season with a balanced fertilizer.
- Soil: Cirsium Maackii prefers well-draining soil with a slightly acidic pH level.
- Sunlight: The plant requires full sun exposure to thrive.
- Hardiness Zones: Cirsium Maackii can tolerate a wide range of hardiness zones, from 4 to 9.
Common Pests & Diseases
Cirsium Maackii is relatively resistant to pests and diseases. However, it can still be affected by some common issues, such as:
- Aphids: These insects can feed on the sap of the plant and cause yellowing of the leaves. Use insecticidal soap to get rid of them.
- Spider Mites: These tiny pests can cause yellowing and discoloration of the leaves. Use a miticide to control them.
- Leaf Spot: This fungal disease can cause brown spots on the leaves. Remove and destroy the affected leaves and use a fungicide to prevent further spread.
Habitat
Cirsium Maackii is native to Asia and can be found in various habitats, such as grasslands, meadows, and forest edges. The plant prefers well-drained soil and full sun exposure.
Question and Answer
Q: Is Cirsium Maackii an invasive species?
A: No, Cirsium Maackii is not considered an invasive species. However, it can spread quickly and become weedy if not managed properly.
Q: Can Cirsium Maackii be grown in containers?
A: Yes, Cirsium Maackii can be grown in containers. Make sure to use well-draining soil and a container that is large enough to accommodate its size.
Q: How often should I fertilize Cirsium Maackii?
A: Fertilize the plant once every two weeks during the growing season with a balanced fertilizer.
Q: Can Cirsium Maackii tolerate drought?
A: No, Cirsium Maackii prefers moderate watering and cannot tolerate drought.
Related Plants
- Cirsium japonicum
- Cirsium kamtschaticum
- Cirsium setosum
- Cirsium vulgare
References
- Flora of China. (n.d.). Cirsium Maackii (Maximowicz) Matsumura & Nakai. Flora of China. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200023807
- Missouri Botanical Garden. (n.d.). Cirsium Maackii. Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=285497&isprofile=0&
