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Description
Picea Wilsonii, also known as Wilson’s Spruce, is an evergreen conifer that belongs to the Pinaceae family. It is native to China and grows in the mountainous regions of Sichuan, Gansu, and Shaanxi. The tree can reach a height of up to 40 meters and has a conical shape with a pointed top. Picea Wilsonii is known for its attractive blue-green needles and large cones that can grow up to 16 cm long.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pinophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Picea |
Appearance
Picea Wilsonii is a large evergreen conifer with blue-green needles that are about 2.5 cm long. The needles are arranged in a spiral pattern around the branches, giving the tree a dense and full appearance. The bark is grayish-brown and rough to the touch. The cones are large and can grow up to 16 cm long. They are initially green, but turn brown as they mature. Picea Wilsonii has a conical shape with a pointed top, and its branches are slightly drooping.
Care Guide
Picea Wilsonii is a hardy tree that can tolerate a wide range of growing conditions. Here’s a guide to its care:Water: Picea Wilsonii prefers moist soil, but can tolerate some drought. Water deeply once a week during the growing season, and reduce watering in the winter.Fertilization: Fertilize once a year in the spring with a slow-release fertilizer that is high in nitrogen.Soil: Picea Wilsonii prefers well-draining soil that is slightly acidic. It can tolerate a variety of soil types, including sandy, loamy, and clay soils.Sunlight: Picea Wilsonii prefers full sun, but can tolerate some shade.Hardiness Zones: Picea Wilsonii is hardy in zones 4-7.
Common Pests & Diseases
Picea Wilsonii is generally resistant to pests and diseases, but it can still be affected by the following:Aphids: These small insects can infest the needles and cause them to curl and turn yellow. Use insecticidal soap to control aphids.Spider mites: These tiny pests can cause the needles to turn yellow and brown. Use a miticide to control spider mites.Rust: This fungal disease can cause orange spots on the needles. Remove infected needles and avoid overhead watering.
Habitat
Picea Wilsonii is native to China and grows in the mountainous regions of Sichuan, Gansu, and Shaanxi. It prefers cool and moist environments and can grow at altitudes of up to 3,500 meters. Picea Wilsonii is often found growing alongside other conifers, such as Abies and Pinus.
Questions and Answers
Q: Is Picea Wilsonii a good tree for landscaping?
A: Yes, Picea Wilsonii is a beautiful tree that can add a lot of visual interest to a landscape.
Q: How fast does Picea Wilsonii grow?
A: Picea Wilsonii is a slow-growing tree that can take several years to reach its full height.
Q: Can Picea Wilsonii tolerate cold temperatures?
A: Yes, Picea Wilsonii is hardy in zones 4-7 and can tolerate cold temperatures.
Q: Do I need to prune Picea Wilsonii?
A: Picea Wilsonii does not require pruning, but you can prune it to maintain its shape or remove dead branches.
Related Plants
- Picea Abies
- Picea Glauca
- Picea Pungens
- Picea Omorika
References
- “Picea wilsonii.” Flora of China, www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005951.
- “Wilson’s Spruce.” The Morton Arboretum, www.mortonarb.org/trees-plants/tree-plant-descriptions/wilsons-spruce.
- “Picea wilsonii (Wilson’s Spruce).” Gardenia, www.gardenia.net/plant-variety/picea-wilsonii.
