Contents
Description
Pseudotsuga Sinensis, commonly known as Chinese Douglas Fir, is an evergreen coniferous tree belonging to the Pinaceae family. It is native to China and can grow up to 70 meters in height with a trunk diameter of up to 2 meters. It has a conical shape with a straight trunk and a pointed crown. The bark is gray-brown and scaly, becoming thicker with age. The needles are dark green and arranged in a spiral pattern, measuring 2 to 4 centimeters long.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Coniferophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Pseudotsuga |
Appearance
Pseudotsuga Sinensis has a conical shape with a straight trunk and a pointed crown. The bark is gray-brown and scaly, becoming thicker with age. The needles are dark green and arranged in a spiral pattern, measuring 2 to 4 centimeters long. The cones are pendulous and can grow up to 15 centimeters long.
Care Guide
Pseudotsuga Sinensis requires moderate watering, especially during the growing season. It prefers well-draining soil and needs fertilization in the spring. It requires full sun to partial shade and can tolerate temperatures as low as -15°C. It is hardy in zones 7 to 9.
Common Pests & Diseases
Pseudotsuga Sinensis is susceptible to aphids, spider mites, and needle cast disease. Aphids can be controlled by spraying the tree with water or insecticidal soap. Spider mites can be controlled by spraying the tree with water or using a miticide. Needle cast disease can be controlled by pruning infected branches and spraying the tree with a fungicide.
Habitat
Pseudotsuga Sinensis is native to China and is commonly found in mountainous regions. It grows in a variety of soils, from loamy to sandy, and prefers well-draining soils.
Question and Answer
Q: What is Pseudotsuga Sinensis?
A: Pseudotsuga Sinensis is an evergreen coniferous tree native to China.
Q: What are the common pests and diseases that can affect Pseudotsuga Sinensis?
A: The common pests and diseases that can affect Pseudotsuga Sinensis are aphids, spider mites, and needle cast disease.
Q: What is the ideal hardiness zone for Pseudotsuga Sinensis?
A: Pseudotsuga Sinensis is hardy in zones 7 to 9.
Q: How tall can Pseudotsuga Sinensis grow?
A: Pseudotsuga Sinensis can grow up to 70 meters in height with a trunk diameter of up to 2 meters.
Related Plants
- Pseudotsuga menziesii (Douglas fir)
- Pseudotsuga macrocarpa (Bigcone Douglas fir)
- Pseudotsuga lindleyana (Mexican Douglas fir)
References
- “Pseudotsuga sinensis.” Flora of China, www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005120.
- “Pseudotsuga sinensis.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a728.
- “Pseudotsuga sinensis.” The Gymnosperm Database, www.conifers.org/pi/Pseudotsuga_sinensis.php.
