Contents
Description
Quercus Arizonica, commonly known as Arizona oak, is a deciduous tree native to the southwestern United States and northern Mexico. It belongs to the Fagaceae family and is known for its attractive bark, leaves, and acorns. The tree can grow up to 50 feet tall and 30 feet wide and has a rounded crown. It is a popular choice for landscaping and is often used in parks and residential areas.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Fagaceae |
| Genus | Quercus |
Appearance
The leaves of Quercus Arizonica are obovate to elliptic, with a length of 2-5 inches and a width of 1-3 inches. They are glossy green on top and pale green on the bottom, turning yellow or reddish-brown in the fall. The bark is dark brown to black, with deep furrows and ridges. The acorns are about 1 inch long and have a shallow cap that covers less than half of the nut. The tree’s crown is rounded and dense, with branches that spread horizontally.
Care Guide
Quercus Arizonica prefers well-drained soil and full sun. It is drought-tolerant once established and does not require frequent watering. Fertilizer can be applied in early spring, and pruning can be done in late winter or early spring. It is hardy in zones 7-9.
Common Pests & Diseases
Quercus Arizonica is susceptible to oak wilt, a fungal disease that can be fatal. Other diseases that may affect the tree include anthracnose, leaf spot, and powdery mildew. Common pests include oak leaf rollers, oak leaf miners, and scale insects.
Habitat
Quercus Arizonica is native to the southwestern United States and northern Mexico. It grows in dry, rocky soils at elevations ranging from 3,000 to 9,000 feet. The tree is found in canyons, foothills, and mountains and is often associated with other oak species.
Question and Answer
Q: Is Quercus Arizonica a good shade tree?
A: Yes, Quercus Arizonica is a good shade tree and can grow up to 50 feet tall with a dense crown.
Q: Can Quercus Arizonica grow in clay soil?
A: No, Quercus Arizonica prefers well-drained soil and may not grow well in heavy clay soil.
Q: Is Quercus Arizonica drought-tolerant?
A: Yes, Quercus Arizonica is drought-tolerant once established and does not require frequent watering.
Q: When is the best time to prune Quercus Arizonica?
A: The best time to prune Quercus Arizonica is in late winter or early spring.
Related Plants
- Quercus garryana
- Quercus suber
- Quercus lobata
- Quercus agrifolia
References
- “Quercus arizonica.” Missouri Botanical Garden. Accessed July 28, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287876.
- “Quercus arizonica.” PlantFiles. Accessed July 28, 2021. https://davesgarden.com/guides/pf/go/142916/.
- “Quercus arizonica – Arizona Oak.” Tree-Names. Accessed July 28, 2021. https://www.tree-names.net/tree/Quercus+arizonica.
