Contents
Description
Corylus Avellana, commonly known as the common hazel or simply hazel, is a deciduous shrub that belongs to the family Betulaceae. It is native to Europe and western Asia, but has been naturalized in many parts of the world. The plant can grow up to 12 feet tall and 10 feet wide, forming a dense thicket of multiple stems. It produces edible nuts that are enclosed in a leafy husk.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Corylus |
Appearance
The leaves of Corylus Avellana are roundish, hairy, and have a heart-shaped base. They are arranged alternately on the stem and can grow up to 6 inches long. The flowers are yellowish and appear in early spring before the leaves. The male flowers are in long, drooping catkins, while the female flowers are in small clusters. The plant produces edible nuts that are enclosed in a leafy husk.
Care Guide
Corylus Avellana is easy to care for and can adapt to a wide range of conditions. It prefers well-drained soil that is slightly acidic, but can tolerate poor soil as well. The plant needs regular watering, especially during dry spells. Fertilize the plant in early spring with a slow-release fertilizer. The plant prefers full sun to partial shade and can grow in hardiness zones 4-8.
Common Pests & Diseases
Corylus Avellana can be affected by a number of pests and diseases. Some of the common pests include aphids, mites, and caterpillars. The plant can also be affected by various fungal diseases, such as powdery mildew, rust, and leaf spot. To prevent these problems, keep the plant well-watered and prune any infected parts.
Habitat
Corylus Avellana is native to Europe and western Asia, but has been naturalized in many parts of the world, including North America, Australia, and New Zealand. The plant grows in a variety of habitats, including woodland, hedgerows, and open fields.
Question and Answer
Q: Can Corylus Avellana grow in containers?
A: Yes, Corylus Avellana can grow in containers as long as the container is large enough to accommodate the plant’s roots.
Q: When is the best time to prune Corylus Avellana?
A: The best time to prune Corylus Avellana is in late winter or early spring, before new growth appears.
Q: Are the nuts of Corylus Avellana edible?
A: Yes, the nuts of Corylus Avellana are edible and can be eaten raw or roasted.
Q: Can Corylus Avellana tolerate drought?
A: No, Corylus Avellana needs regular watering and cannot tolerate drought.
Related Plants
- Corylus Americana
- Corylus Colurna
- Corylus Maxima
- Corylus Sieboldiana
References
- Dirr, M. A. (1998). Manual of woody landscape plants: their identification, ornamental characteristics, culture, propagation and uses. Stipes Publishing.
- Missouri Botanical Garden. (2021). Corylus Avellana. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279573&isprofile=0&basic=corylus%20avellana
- RHS. (2021). Corylus Avellana. Retrieved from https://www.rhs.org.uk/plants/15509/corylus-avellana/details
