Buxus

Description

Buxus, commonly known as boxwood, is a genus of about 70 species of evergreen shrubs and small trees. They are native to Europe, Asia, Africa, and South America. Boxwood is a popular ornamental plant due to its dense, compact growth habit, and small, glossy, dark green leaves. It is often used for hedges, topiary, and as a foundation plant.

Taxonomic Information

Appearance

Boxwood has a dense, compact growth habit, and can grow up to 20 feet tall in some species. The leaves are small, glossy, and dark green, and are arranged in opposite pairs along the stems. The flowers are small and inconspicuous, and are often followed by small, woody fruit capsules. The bark is smooth and gray-brown, and can become scaly with age.

Care Guide

Water

Boxwood prefers well-draining soil that is kept consistently moist. Water deeply once a week during the growing season, and reduce watering during the winter months.

Fertilization

Fertilize boxwood in the spring with a balanced fertilizer, and again in the fall with a slow-release fertilizer.

Soil

Boxwood prefers well-draining soil that is rich in organic matter. Avoid heavy clay soils.

Sunlight

Boxwood prefers partial shade to full sun.

Hardiness Zones

Boxwood is hardy in USDA zones 5-9.

Common Pests & Diseases

Boxwood is susceptible to several pests and diseases, including boxwood leaf miner, boxwood psyllid, boxwood blight, and root rot. Regular inspection and maintenance can help prevent infestations and disease outbreaks.

Habitat

Boxwood is native to Europe, Asia, Africa, and South America. It grows in a variety of habitats, including forests, heathlands, and rocky slopes.

Question and Answer

Q: Is boxwood toxic to pets?

A: Yes, boxwood contains alkaloids that can be toxic to pets if ingested.

Q: Can boxwood be grown in containers?

A: Yes, boxwood can be grown in containers as long as the soil is well-draining and the container is large enough to accommodate the plant’s root system.

Q: How often should boxwood be pruned?

A: Boxwood should be pruned once or twice a year, depending on the desired shape and size.

Q: How do I know if my boxwood is diseased?

A: Look for symptoms such as leaf spots, wilting, discoloration, or stunted growth. Contact a professional if you suspect a disease outbreak.

Related Plants

• Buxus microphylla
• Buxus sempervirens
• Buxus harlandii
• Buxus sinica

References

• Dirr, M. A. (2009). Manual of woody landscape plants: Their identification, ornamental characteristics, culture, propagation, and uses. Stipes Publishing.
• Gilman, E. F., & Watson, D. G. (1994). Buxus spp. Boxwood. Fact Sheet ST-247. Environmental Horticulture Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida.
• University of Georgia Extension. (2017). Boxwood: A Disease and Insect Primer. Retrieved from https://extension.uga.edu/publications/detail.html?number=C1027-1