Contents
Description
Ajuga is a genus of flowering plants in the mint family, Lamiaceae. It is commonly known as bugleweed, carpetweed, or ground pine. The plants are native to Europe, Asia, and Africa, but they are now found in many parts of the world. Ajuga is a low-growing, herbaceous perennial that spreads by stolons or runners. It has a rosette of leaves at the base of the stem and a spike of flowers that rise above the foliage. The flowers are blue, purple, pink, or white, and they bloom in late spring or early summer. The plant has a long history of medicinal use and is still used today to treat various ailments.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Ajuga |
Appearance
Ajuga has a variety of leaf colors, including green, bronze, purple, and variegated. The leaves are arranged in a rosette at the base of the stem and are typically oval or oblong in shape. The flowers are arranged in a spike that rises above the foliage and can reach up to 10 inches in height. The flowers are typically blue, but can also be purple, pink, or white. They have a tubular shape and are about 1/2 inch long. The plant blooms in late spring or early summer and can continue to bloom sporadically throughout the season.
Care Guide
Water: Ajuga prefers moist soil, but it can tolerate periods of drought. Water the plant deeply once a week during dry periods.Fertilization: Ajuga does not require fertilizer, but you can apply a balanced fertilizer in the spring to promote healthy growth.Soil: Ajuga prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, but it does not do well in heavy clay soil.Sunlight: Ajuga prefers partial shade to full shade. It can tolerate some sun, but too much sun can cause the leaves to scorch.Hardiness Zones: Ajuga is hardy in USDA zones 3-9.
Common Pests & Diseases
Ajuga is relatively pest and disease resistant, but it can be susceptible to root rot if the soil is too wet. It can also be affected by fungal leaf spot, which causes brown spots on the leaves. To prevent fungal leaf spot, avoid overhead watering and provide good air circulation around the plant.
Habitat
Ajuga is native to Europe, Asia, and Africa, but it has been introduced to many parts of the world. It grows in a variety of habitats, including woodlands, meadows, and along stream banks. It prefers moist soil and partial shade.
Question and Answer
Q: Is Ajuga deer resistant?
A: Yes, Ajuga is deer resistant.
Q: Can Ajuga tolerate foot traffic?
A: Yes, Ajuga can tolerate light foot traffic, but it is not recommended for heavy foot traffic areas.
Q: Is Ajuga toxic to pets?
A: Ajuga can be toxic to pets if ingested in large quantities. It can cause vomiting, diarrhea, and other symptoms.
Q: How do I propagate Ajuga?
A: Ajuga can be propagated by division or by rooting stem cuttings. Division is best done in the spring or fall, while stem cuttings can be taken in the summer.
Related Plants
Other plants in the Lamiaceae family include:
- Mint
- Lavender
- Rosemary
- Thyme
- Oregano
References
- Dirr, M. A. (2009). Manual of woody landscape plants: Their identification, ornamental characteristics, culture, propagation and uses. Stipes Publishing L.L.C.
- Higdon, J. V., & Frei, B. (2006). Tea catechins and polyphenols: health effects, metabolism, and antioxidant functions. Critical reviews in food science and nutrition, 46(10), 797-809.
- Saeedi, M., Morteza-Semnani, K., & Mahdavi-Mazdeh, M. (2011). Antibacterial studies on extracts of four species of Ajuga L. African Journal of Microbiology Research, 5(1), 30-33.
