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Description
Elaeagnus Thunbergii, commonly known as the Thorny Olive or Silverberry, is a deciduous shrub that belongs to the Elaeagnaceae family. This shrub is native to Japan, Korea, and China and is now widely cultivated in North America, Europe, and other parts of the world. It is a hardy plant that can tolerate a wide range of temperatures and soil conditions. Elaeagnus Thunbergii is often used as a hedge or border plant, but it can also be grown as a specimen plant in a garden or landscape.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Elaeagnaceae |
| Genus | Elaeagnus |
Appearance
Elaeagnus Thunbergii is a dense, bushy shrub that can grow up to 10 feet tall and 10 feet wide. It has thorny branches and leaves that are oval-shaped, dark green on top, and silvery-white on the bottom. The leaves are about 1-3 inches long and 0.5-1.5 inches wide. In the fall, the leaves turn yellow and drop off. The flowers are small, fragrant, and yellow-white in color. They bloom in late spring to early summer and are followed by small, red, edible fruits that ripen in the fall.
Care Guide
Elaeagnus Thunbergii is a hardy plant that requires minimal care. Here are some tips on how to care for this shrub:
- Water: Water the shrub deeply once a week during the growing season. Reduce watering during the winter months.
- Fertilization: Fertilize the shrub in early spring with a balanced fertilizer. Repeat every 6-8 weeks during the growing season.
- Soil: Elaeagnus Thunbergii can grow in a wide range of soil types, but it prefers well-draining, fertile soil.
- Sunlight: This shrub prefers full sun to partial shade.
- Hardiness Zones: Elaeagnus Thunbergii is hardy in USDA zones 4-9.
Common Pests & Diseases
Elaeagnus Thunbergii is generally resistant to pests and diseases. However, it can be affected by the following:
- Mites: These tiny insects can cause discoloration and distortion of the leaves. Use neem oil or insecticidal soap to control them.
- Canker: This fungal disease can cause sunken, discolored spots on the branches. Prune affected branches and dispose of them to prevent the spread of the disease.
- Leaf Spot: This fungal disease can cause brown spots on the leaves. Remove affected leaves and dispose of them to prevent the spread of the disease.
Habitat
Elaeagnus Thunbergii is native to Japan, Korea, and China. It grows in a wide range of habitats, including forests, grasslands, and rocky slopes. This shrub is also widely cultivated in North America, Europe, and other parts of the world as an ornamental plant.
Question and Answer
Q: Can Elaeagnus Thunbergii be grown in containers?
A: Yes, it can be grown in containers as long as the container is large enough to accommodate the root system.
Q: How often should I prune Elaeagnus Thunbergii?
A: Prune the shrub in late winter or early spring before new growth begins. Remove any dead, diseased, or damaged branches. You can also shape the shrub at this time.
Q: Are the fruits of Elaeagnus Thunbergii edible?
A: Yes, the fruits are edible and can be eaten fresh or used to make jams and jellies.
Q: Does Elaeagnus Thunbergii attract bees?
A: Yes, the fragrant flowers of Elaeagnus Thunbergii attract bees and other pollinators.
Related Plants
- Elaeagnus Angustifolia
- Elaeagnus Commutata
- Elaeagnus Pungens
- Elaeagnus Umbellata
References
- Clemson Cooperative Extension. (n.d.). Japanese Silverberry. Clemson University. https://hgic.clemson.edu/factsheet/japanese-silverberry/
- Morton Arboretum. (n.d.). Elaeagnus thunbergii. https://www.mortonarb.org/trees-plants/tree-plant-descriptions/japanese-silverberry
- North Carolina State University. (n.d.). Elaeagnus thunbergii. https://plants.ces.ncsu.edu/plants/elaeagnus-thunbergii/
