Contents
Description
Ulmus pumila, commonly known as Siberian elm or dwarf elm, is a deciduous tree that grows up to 20 meters tall. It has a spreading crown with branches that grow at a wide angle. The bark is dark grey and furrowed, and the leaves are small, oval-shaped, and serrated. The flowers are greenish-yellow and appear in early spring, while the fruit is a small, flattened samara that ripens in late spring.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Ulmaceae |
| Genus | Ulmus |
Appearance
The Siberian elm has a unique appearance with its spreading crown and small, serrated leaves. Its bark is dark grey and furrowed, adding texture to its overall appearance. The tree grows up to 20 meters tall and has branches that grow at a wide angle, making it easy to identify in the landscape. In the spring, the tree produces greenish-yellow flowers that add a pop of color to its appearance. Its fruit is a small, flattened samara that ripens in late spring.
Care Guide
Siberian elms are relatively easy to care for and can withstand a variety of growing conditions. They prefer moist, well-drained soil and full sun to partial shade. These trees are hardy in USDA zones 4-9, making them suitable for a wide range of climates. They should be watered regularly during the growing season, and fertilizer can be applied in the spring to help promote healthy growth. Pruning can be done in the winter to remove any dead or damaged branches.
Common Pests & Diseases
Siberian elms are relatively resistant to pests and diseases, but they can still be affected by a few common issues. Dutch elm disease is a fungal disease that can be fatal to elms, including Siberian elms. It is spread by bark beetles and can cause wilt, yellowing leaves, and death of the tree. Scale insects and aphids can also be a problem, causing wilting and stunted growth. Powdery mildew is a fungal infection that can cause a white, powdery coating on the leaves.
Habitat
Siberian elms are native to central Asia and were introduced to the United States in the late 1800s. They are commonly found in urban and suburban areas, as they are tolerant of pollution and can withstand a variety of growing conditions. They are often used as street trees due to their hardiness and unique appearance.
Question and Answer
Q: What is the hardiness zone for Siberian elms?
A: Siberian elms are hardy in USDA zones 4-9.
Q: How tall can Siberian elms grow?
A: Siberian elms can grow up to 20 meters tall.
Q: What is the fruit of the Siberian elm?
A: The fruit of the Siberian elm is a small, flattened samara that ripens in late spring.
Q: Can Siberian elms be affected by Dutch elm disease?
A: Yes, Siberian elms can be affected by Dutch elm disease.
Related Plants
- Ulmus americana (American elm)
- Ulmus parvifolia (Chinese elm)
- Ulmus rubra (Slippery elm)
References
- “Ulmus pumila.” Missouri Botanical Garden. Accessed May 26, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=275837&isprofile=0&
- “Siberian Elm.” Tree Care Tips. Accessed May 26, 2021. https://www.treecaretips.org/siberian-elm/
- “Ulmus pumila.” PlantNet. Accessed May 26, 2021. https://identify.plantnet.org/species/ulmus/pumila/
