Ajuga Ovalifolia

Description

Ajuga Ovalifolia, commonly known as Bugleweed, is a herbaceous perennial plant that is native to Japan. It is a member of the mint family and is known for its attractive foliage and beautiful flowers. The plant has a creeping habit and grows to a height of 6-8 inches, spreading to a width of 12-18 inches. Ajuga Ovalifolia is a popular choice for ground covers, borders, and rock gardens, due to its low-growing habit and tolerance for shade.

Taxonomic Information

Appearance

Ajuga Ovalifolia has glossy, dark green, oval-shaped leaves that form a dense mat. The leaves are 2-3 inches long and 1-2 inches wide. The plant produces spikes of blue-violet flowers in late spring to early summer, which attract bees and butterflies. The flowers are arranged in whorls around the stem and are about 6-8 inches tall. The plant’s foliage turns a reddish color in the fall, adding to its ornamental appeal.

Care Guide

Water: Ajuga Ovalifolia prefers moist soil, so water regularly, especially during dry spells. Avoid over-watering, as this can lead to root rot.

Fertilization: Fertilize the plant in early spring and late summer with a balanced fertilizer. Avoid using high-nitrogen fertilizers, as this can encourage leaf growth at the expense of flowers.

Soil: The plant thrives in well-drained, slightly acidic soil. If the soil is heavy, amend it with organic matter, such as compost or leaf mold.

Sunlight: Ajuga Ovalifolia prefers partial to full shade, but can tolerate some sun. Too much sun can cause the leaves to burn and the plant to wilt.

Hardiness Zones: The plant is hardy in USDA zones 3-9, meaning it can withstand cold temperatures down to -40°F.

Common Pests & Diseases

Ajuga Ovalifolia is relatively pest and disease-free, but can be susceptible to root rot if over-watered. The plant can also be affected by fungal diseases, such as powdery mildew and rust, especially in humid conditions. Inspect the plant regularly for signs of disease and treat promptly with appropriate fungicides.

Habitat

Ajuga Ovalifolia is native to Japan and grows in moist, shady areas, such as woodland edges, meadows, and stream banks. The plant is also widely cultivated as an ornamental plant in gardens and landscapes.

Question and Answer

Q: Is Ajuga Ovalifolia invasive?

A: No, Ajuga Ovalifolia is not considered invasive. However, it can self-seed and spread rapidly, so it’s best to keep it contained in a designated area.

Q: Can Ajuga Ovalifolia grow in full sun?

A: While Ajuga Ovalifolia prefers partial to full shade, it can tolerate some sun. However, too much sun can cause the leaves to burn and the plant to wilt.

Q: How often should I water Ajuga Ovalifolia?

A: Ajuga Ovalifolia prefers moist soil, so water regularly, especially during dry spells. Avoid over-watering, as this can lead to root rot.

Q: When should I fertilize Ajuga Ovalifolia?

A: Fertilize the plant in early spring and late summer with a balanced fertilizer. Avoid using high-nitrogen fertilizers, as this can encourage leaf growth at the expense of flowers.

Related Plants

• Ajuga Chamaepitys
• Ajuga Genevensis
• Ajuga Incisa
• Ajuga Reptans

References

• “Ajuga Ovalifolia.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c925.
• “Ajuga Ovalifolia.” Royal Horticultural Society, www.rhs.org.uk/Plants/63725/Ajuga-ovalifolia/Details.
• “Ajuga Ovalifolia.” The Spruce, www.thespruce.com/ajuga-ovalifolia-bugleweed-4173667.