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Description
Olgaea Tangutica, also known as Tangut Olgaea, is a unique and beautiful plant that is native to China. It belongs to the Asteraceae family and is a small deciduous shrub that can grow up to 1.5 meters tall. The plant has a rounded shape with gray-green leaves that are hairy and slightly curved. The flowers of the Olgaea Tangutica are yellow and bloom in late summer and early fall.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Olgaea |
| Species | Tangutica |
Appearance
The Olgaea Tangutica is a small deciduous shrub that has a rounded shape with gray-green leaves that are slightly curved and hairy. The plant can grow up to 1.5 meters tall and has yellow flowers that bloom in late summer and early fall. The flowers are small and grow in clusters at the end of the branches. The plant produces fluffy seeds that are dispersed by the wind.
Care Guide
The Olgaea Tangutica is a hardy plant that can tolerate a wide range of growing conditions. Here are some tips on how to take care of this plant:
- Water: The plant prefers well-draining soil that is evenly moist. Water the plant regularly during the growing season and reduce watering in the winter.
- Fertilization: Fertilize the plant in the spring with a balanced fertilizer. Do not fertilize in the fall or winter.
- Soil: The plant prefers well-draining soil that is slightly acidic. Amend the soil with compost or peat moss if necessary.
- Sunlight: The plant prefers full sun to partial shade. Avoid planting in areas that receive full shade.
- Hardiness Zones: The Olgaea Tangutica is hardy in USDA zones 4-8.
Common Pests & Diseases
The Olgaea Tangutica is relatively pest and disease-free. However, it can be susceptible to the following:
- Aphids: These small insects can feed on the plant’s leaves and cause them to curl and yellow. Use insecticidal soap to control the population.
- Spider mites: These tiny pests can spin webs on the plant’s leaves and cause them to turn yellow or brown. Use a miticide to control the population.
- Fungal diseases: The plant can be susceptible to fungal diseases such as powdery mildew and leaf spot. Use a fungicide to control the disease.
Habitat
The Olgaea Tangutica is native to China and can be found growing in dry and rocky areas at elevations of 2,200-3,300 meters. The plant prefers well-draining soil and full sun to partial shade.
Question and Answer
Q: Is the Olgaea Tangutica a drought-tolerant plant?
A: Yes, the Olgaea Tangutica is a drought-tolerant plant that can survive in dry conditions.
Q: How often should I fertilize the Olgaea Tangutica?
A: Fertilize the plant once a year in the spring with a balanced fertilizer.
Q: Can I grow the Olgaea Tangutica in a container?
A: Yes, the Olgaea Tangutica can be grown in a container as long as the container has drainage holes and the soil is well-draining.
Q: When is the best time to prune the Olgaea Tangutica?
A: Prune the plant in the late winter or early spring before new growth appears.
Related Plants
- Olgaea andersonii: A small deciduous shrub that is native to China and has pink flowers.
- Olgaea breviscapa: A small deciduous shrub that is native to China and has yellow flowers.
- Olgaea paniculata: A small deciduous shrub that is native to China and has white flowers.
References
- Flora of China. (n.d.). Olgaea Tangutica. Flora of China. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200023246
- Missouri Botanical Garden. (n.d.). Olgaea Tangutica. Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279968&isprofile=0&basic=olgaea%20tangutica
- The Spruce. (2021, January 6). How to Grow and Care for Olgaea. The Spruce. https://www.thespruce.com/growing-and-care-for-olgaea-tangutica-5076337
