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Description
Alnus Serrulata, commonly known as the Tag Alder or Hazel Alder, is a deciduous shrub or small tree that is native to North America. It belongs to the Betulaceae family and is known for its interesting bark, leaves, and flowers.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Alnus |
Appearance
The Tag Alder can grow up to 20 feet tall and 15 feet wide. Its bark is light gray and smooth when young, but becomes dark and rough as it ages. The leaves are dark green and serrated, with a length of 2-4 inches. The flowers are small and yellowish-brown, blooming in late winter or early spring before the leaves appear. The fruit is a cone-like structure that contains small seeds.
Care Guide
Alnus Serrulata prefers moist, well-drained soil and can tolerate both full sun and partial shade. It is hardy in USDA zones 4-7. Water regularly during the growing season, and fertilize with a balanced fertilizer in the spring. Prune in late winter or early spring to maintain its shape, removing any dead or damaged branches.
Common Pests & Diseases
The Tag Alder is relatively resistant to pests and diseases, but can be affected by aphids, spider mites, and caterpillars. It can also be susceptible to root rot in poorly drained soil.
Habitat
The Tag Alder is commonly found in wetlands, swamps, and along streams and rivers. It is important for erosion control and provides habitat for wildlife, such as birds and small mammals.
Question and Answer
Q: Is Alnus Serrulata a good choice for a small garden?
A: Yes, as long as it is pruned regularly to maintain its size and shape.
Q: Can Alnus Serrulata be grown in a container?
A: It is not recommended as it prefers moist soil and can grow quite large.
Q: Does Alnus Serrulata attract bees?
A: Yes, its flowers attract bees and other pollinators.
Q: Can Alnus Serrulata be used for firewood?
A: Yes, its wood is hard and durable and can be used as firewood or for making furniture.
Related Plants
- Alnus glutinosa (European Alder)
- Alnus incana (Grey Alder)
- Alnus rhombifolia (White Alder)
References
- “Alnus Serrulata.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c550.
- “Alnus Serrulata.” USDA Forest Service, www.fs.fed.us/database/feis/plants/tree/alnser/all.html.
- “Hazel Alder – Alnus Serrulata.” University of Connecticut Plant Database, www.hort.uconn.edu/plants/detail.php?pid=34.
