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Description
Picea Asperata, also known as Dragon Spruce, is a species of spruce tree native to China. It belongs to the Pinaceae family and is a popular ornamental plant due to its attractive appearance and hardiness. The tree can grow up to 30 meters in height and 1 meter in diameter. It has a conical shape and a dense crown with short branches. The bark is grayish-brown and has a scaly texture. The needles are about 2.5 cm long and are blue-green in color. The cones are cylindrical, about 10-15 cm long, and have a reddish-brown color.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pinophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Picea |
Appearance
Picea Asperata is a tall and conical tree with a dense crown. The branches are short and have a slightly drooping appearance. The needles are blue-green in color and are about 2.5 cm long. They are arranged spirally around the branches. The cones are cylindrical, about 10-15 cm long, and have a reddish-brown color. The bark is grayish-brown and has a scaly texture.
Care Guide
Picea Asperata is a hardy plant that can tolerate a wide range of conditions. However, it prefers moist, well-drained soil and partial shade. Here are some tips for caring for Picea Asperata:
- Water: Water the tree deeply once a week during the growing season. Reduce watering in the winter.
- Fertilization: Fertilize the tree in the spring with a slow-release fertilizer.
- Soil: Picea Asperata prefers moist, well-drained soil. Amend the soil with compost or other organic matter to improve drainage.
- Sunlight: Picea Asperata prefers partial shade but can tolerate full sun.
- Hardiness Zones: Picea Asperata is hardy in USDA zones 6-9.
Common Pests & Diseases
Picea Asperata is susceptible to a few pests and diseases. Here are some of the most common:
- Aphids: These small insects can cause damage to the needles and branches. Use insecticidal soap to control infestations.
- Mites: Mites can cause discoloration and damage to the needles. Use an insecticidal soap or horticultural oil to control infestations.
- Root Rot: Overwatering or poorly drained soil can lead to root rot. Make sure the soil is well-drained and avoid overwatering.
- Needle Cast: Needle cast is a fungal disease that causes the needles to turn brown and fall off. Prune infected branches and use a fungicide to control the disease.
Habitat
Picea Asperata is native to China and can be found in the provinces of Sichuan, Yunnan, and Tibet. It grows in mountainous regions at elevations of 2,500 to 4,500 meters. The tree prefers cool and moist climates and can tolerate temperatures as low as -30°C.
Question and Answer
Q: Is Picea Asperata a fast-growing tree?
A: No, Picea Asperata grows at a moderate rate of about 30 cm per year.
Q: Can Picea Asperata tolerate drought?
A: No, Picea Asperata prefers moist soil and can be susceptible to drought stress.
Q: Can Picea Asperata be used for timber?
A: Yes, Picea Asperata is a valuable timber tree in China.
Q: Is Picea Asperata resistant to deer browsing?
A: No, Picea Asperata is not typically resistant to deer browsing and may require protection.
Related Plants
- Picea abies (Norway spruce)
- Picea glauca (White spruce)
- Picea mariana (Black spruce)
- Picea pungens (Blue spruce)
References
- “Picea asperata,” Flora of China, eFloras.org.
- “Picea asperata,” Missouri Botanical Garden, missouribotanicalgarden.org.
- “Dragon spruce,” Royal Horticultural Society, rhs.org.uk.
