Elaeagnus Pungens

Description

Elaeagnus Pungens, commonly known as thorny olive, silverthorn, or Japanese silverberry, is an evergreen shrub that is native to Japan, China, and Korea. It belongs to the Elaeagnaceae family and can grow up to 15 feet tall and 8 feet wide. This plant is well-known for its attractive foliage, fragrant flowers, and hardiness, making it a popular choice for gardeners all around the world.

Taxonomic Information

Appearance

Elaeagnus Pungens has dark green, leathery leaves that are 1-4 inches long and 0.5-2 inches wide. The leaves are oval or elliptical in shape and have a silver or yellowish-green underside. The plant produces small, fragrant, white or yellow flowers that bloom in the fall and winter. The flowers are followed by small, red or orange berries that are edible but not widely consumed due to their bitter taste. The shrub also has thorny branches, making it an effective barrier plant.

Care Guide

Elaeagnus Pungens is a hardy plant that is relatively easy to care for. Here are some tips to help you keep your thorny olive healthy:

• Water: Water the plant regularly, especially during dry spells. Elaeagnus Pungens is drought-tolerant, but it still needs water to thrive.
• Fertilization: Fertilize the plant in the spring with a slow-release fertilizer. This will help promote healthy growth.
• Soil: Elaeagnus Pungens prefers well-draining, slightly acidic soil. If your soil is too alkaline, add some sulfur to lower the pH.
• Sunlight: This plant can grow in full sun to partial shade. However, it will produce more flowers and berries in full sun.
• Hardiness Zones: Elaeagnus Pungens can grow in USDA hardiness zones 7-10.

Common Pests & Diseases

Elaeagnus Pungens is generally resistant to pests and diseases. However, it can still be affected by some common problems, including:

• Aphids: These tiny insects can suck the sap from the plant and cause wilting and yellowing. Use insecticidal soap to control them.
• Spider Mites: These pests can cause yellowing and stunted growth. Use a miticide to control them.
• Canker: This fungal disease can cause blackened and sunken areas on the stems. Prune affected branches and apply fungicide to prevent its spread.
• Root Rot: This disease is caused by overwatering and poorly draining soil. Improve drainage and avoid overwatering to prevent it.

Habitat

Elaeagnus Pungens is commonly found in woodlands, hillsides, and coastal areas in Japan, China, and Korea. It prefers well-drained soils and can tolerate a range of temperatures and moisture levels. In the United States, it is often used as an ornamental plant in gardens and landscaping due to its attractive foliage and hardiness.

Question and Answer

Q: Is Elaeagnus Pungens invasive?

A: Elaeagnus Pungens is not considered invasive in most areas. However, it can spread rapidly in some regions, such as California, where it is classified as a noxious weed.

Q: Can you eat the berries of Elaeagnus Pungens?

A: Yes, the berries of Elaeagnus Pungens are edible but not widely consumed due to their bitter taste. They can be used to make jams, jellies, and syrups.

Q: How fast does Elaeagnus Pungens grow?

A: Elaeagnus Pungens is a fast-growing shrub that can grow up to 2 feet per year under ideal conditions.

Q: How do you prune Elaeagnus Pungens?

A: Prune Elaeagnus Pungens in late winter or early spring before new growth appears. Remove any dead or diseased branches, as well as any crossing or rubbing branches. You can also prune to shape the plant or control its size.

Related Plants

• Elaeagnus Angustifolia
• Elaeagnus Ebbingei
• Elaeagnus Multiflora
• Elaeagnus Umbellata

References

• “Elaeagnus Pungens.” Missouri Botanical Garden. Available at: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c680
• “Elaeagnus Pungens.” University of Florida IFAS Extension. Available at: https://edis.ifas.ufl.edu/fp632
• “Elaeagnus Pungens.” Plantwise. Available at: https://www.plantwise.org/KnowledgeBank/Datasheet.aspx?dsid=14325