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Description
Cirsium Quercetorum, also known as oak-leaved thistle, is a herbaceous perennial plant that belongs to the sunflower family. This plant is native to California and can grow up to 6 feet tall. It blooms from June to August, producing pink to reddish-purple flowers that are 1.5 inches in diameter. The leaves of Cirsium Quercetorum are deeply lobed and resemble the shape of an oak leaf.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Anthophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
Appearance
Cirsium Quercetorum is a tall and striking plant with deeply lobed leaves that resemble oak leaves. The leaves are green on top and silvery-white underneath. The plant produces pink to reddish-purple flowers that are 1.5 inches in diameter. The flowers are arranged in clusters at the top of the stem and bloom from June to August. The stem of the plant is tall and sturdy, and it can grow up to 6 feet tall.
Care Guide
Cirsium Quercetorum is an easy plant to care for, and it can thrive in a variety of conditions. Here are a few tips to help you care for your Cirsium Quercetorum:- Water: This plant prefers moist soil, so make sure to water it regularly. However, be careful not to overwater it, as this can lead to root rot.- Fertilization: Cirsium Quercetorum does not require a lot of fertilizer. You can fertilize it once a month during the growing season with a balanced fertilizer.- Soil: This plant prefers well-draining soil that is rich in organic matter. Make sure to plant it in soil that has been amended with compost or other organic matter.- Sunlight: Cirsium Quercetorum prefers full sun, but it can also tolerate partial shade.- Hardiness Zones: This plant is hardy in USDA zones 7-10.
Common Pests & Diseases
Cirsium Quercetorum is generally resistant to most pests and diseases. However, it can be susceptible to aphids, spider mites, and powdery mildew. To prevent these issues, make sure to keep the plant well-watered and in a well-ventilated area. If you do notice any pests or diseases, treat them with an insecticidal soap or fungicide.
Habitat
Cirsium Quercetorum is native to California and can be found in a variety of habitats, including meadows, grasslands, and open woodlands. It prefers moist soil and full sun but can also tolerate partial shade.
Question and Answer
Q: Can Cirsium Quercetorum be grown in containers?
A: Yes, Cirsium Quercetorum can be grown in containers. Just make sure to choose a large container that is at least 12 inches in diameter and has drainage holes.
Q: Does Cirsium Quercetorum attract pollinators?
A: Yes, Cirsium Quercetorum is a great plant for attracting pollinators like bees and butterflies.
Q: How often should I fertilize Cirsium Quercetorum?
A: You should fertilize Cirsium Quercetorum once a month during the growing season with a balanced fertilizer.
Q: Can Cirsium Quercetorum be grown from seed?
A: Yes, Cirsium Quercetorum can be grown from seed. Sow the seeds in the spring or fall in well-draining soil.
Related Plants
– Cirsium arizonicum- Cirsium brevistylum- Cirsium ciliolatum- Cirsium fontinale- Cirsium neomexicanum
References
– “Cirsium Quercetorum (Oak-Leaved Thistle).” California Native Plant Society. https://www.calscape.org/Cirsium-quercetorum-().- “Cirsium Quercetorum.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286327.
