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Description
Sorbus Scopulina is a species of tree that belongs to the Rosaceae family. It is commonly known as the Western Mountain Ash or Greene Mountain Ash, and is native to Western North America. The tree can grow up to a height of 10-30 feet and has a spread of 10-20 feet. It is a deciduous tree, meaning it sheds its leaves during the fall season. The tree produces clusters of white flowers in the spring, followed by small red berries in the summer. The berries are a favorite among birds and can be used to make jams and jellies.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Sorbus |
| Species | Scopulina |
Appearance
Sorbus Scopulina has a compact and rounded crown with dark green, compound leaves that are pinnately divided. The leaves have toothed margins and a glossy appearance. The tree produces clusters of white flowers in the spring that are followed by small red berries in the summer. The berries are about 1/4 inch in diameter and are borne in large clusters. The tree has a smooth gray bark that becomes fissured with age.
Care Guide
Sorbus Scopulina requires moderate watering and prefers well-drained soil. It can tolerate partial shade, but full sun exposure is ideal. The tree should be fertilized in the spring and fall with a balanced fertilizer. It is hardy in USDA Zones 4-8.
Common Pests & Diseases
Sorbus Scopulina is susceptible to fire blight, powdery mildew, and scale insects. Fire blight is a bacterial disease that causes the leaves and branches to wilt and turn black. Powdery mildew is a fungal disease that appears as a white powdery coating on the leaves. Scale insects are small, flat, oval-shaped insects that attach themselves to the bark and suck the sap, causing the leaves to yellow and drop prematurely.
Habitat
Sorbus Scopulina is native to Western North America and can be found in mountainous regions and along streams and rivers. It prefers moist and well-drained soils and can grow at elevations of up to 10,000 feet.
Question and Answer
Q: Can Sorbus Scopulina be grown in containers?
A: No, Sorbus Scopulina is not suitable for container planting.
Q: Is Sorbus Scopulina deer-resistant?
A: No, Sorbus Scopulina is not deer-resistant and may require protection from browsing deer.
Q: How often should Sorbus Scopulina be watered?
A: Sorbus Scopulina should be watered moderately, about once a week, depending on the soil moisture level.
Q: Can the berries of Sorbus Scopulina be eaten?
A: The berries of Sorbus Scopulina are edible but are tart and bitter. They are commonly used to make jams and jellies.
Related Plants
- Sorbus Aria
- Sorbus aucuparia
- Sorbus domestica
- Sorbus intermedia
- Sorbus torminalis
References
- “Sorbus Scopulina.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c357.
- “Sorbus Scopulina.” PlantFiles, www.garden.org/plants/view/1342/Mountain-Ash-Sorbus-scopulina/.
- “Sorbus Scopulina.” Pacific Northwest Plant Database, www.pnwplants.wsu.edu/PlantDisplay.aspx?PlantID=155.
