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Pyramidal Bugle

Ajuga pyramidalis

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Plant Profile

Flowering Months:
Lamiaceae (Dead-nettle)
Life Cycle:
Maximum Size:
20 centimetres tall
Grassland, heathland, meadows, rocky places, woodland.

Blue, 2 petals
Bluish-violet flowers which appear in a pyramidal spike of up to 4 inches (10cm) in height. Flowers are tubular in shape. The very short upper lip is 2-lobed. The lower lip is 3-lobed. 4 stamens.
A four-parted inconspicuous nut called a schizocarp.
Hairy, oval leaves in opposite pairs up the stem. Also, Pyramidal Bugle has a rosette of dark green basal leaves. The leaves are very shallowly toothed. The stems are square in cross-section. It often grows in places with Limestone rock. A clump-forming perennial.
Other Names:
Blue Bugle, Pyramid Bugle.
Frequency (UK):

Similar Species

Other Information


Ajuga pyramidalis, also known as pyramidal bugle or blue bugle, is a species of flowering plant in the family Lamiaceae. It is native to Europe, but has been introduced to other parts of the world and is widely cultivated as an ornamental plant. A. pyramidalis is a herbaceous perennial that grows to a height of up to 30 centimeters. It has dark green, glossy leaves and small, purple, blue, or white flowers that bloom in the spring. The plant is commonly used in landscaping as a ground cover and is valued for its ability to tolerate a wide range of soil conditions and its ability to thrive in partial shade. A. pyramidalis is also used medicinally to treat a variety of ailments, including respiratory problems and skin conditions.


If you're looking to add some color and texture to your garden, you might want to consider Ajuga pyramidalis, also known as the Pyramidal Bugle. This herbaceous perennial is native to Europe and is known for its striking blue-purple flowers that bloom in the spring and summer.

One of the great things about Ajuga pyramidalis is that it's easy to grow and care for. It prefers well-drained soil and partial to full shade, making it a great choice for shady gardens. It's also low-maintenance, as it requires little to no pruning, and is resistant to pests and diseases.

In addition to its beautiful flowers, the Pyramidal Bugle also has attractive, glossy leaves that form dense rosettes. The leaves are typically green, but some varieties have a purplish tinge. The plant grows to be about 10 to 15 centimeters tall, making it a great choice for rock gardens, ground covers, or borders.

When it comes to planting Ajuga pyramidalis, it's important to choose the right location. As mentioned earlier, it prefers partial to full shade, so avoid planting it in areas that receive full sun. If you have a damp area in your garden, this is the perfect plant for you, as it prefers moist soil. When planting, make sure to space the plants about 30 to 45 centimeters apart to allow for proper growth.

To keep your Pyramidal Bugle looking its best, make sure to water it regularly and fertilize it every year. If you live in a hot climate, you may also want to mulch around the plants to keep the soil moist.

Another interesting feature of the Pyramidal Bugle is its versatility in different types of landscapes. It can be used in traditional, cottage, woodland, and rock gardens. The plant also makes a great ground cover, as it spreads quickly and forms dense mats. This makes it ideal for covering large areas, especially those that are difficult to mow or maintain.

In addition to its ornamental value, the Pyramidal Bugle is also a great choice for wildlife gardens. Its flowers are a source of nectar for bees, butterflies, and other pollinators, making it a valuable addition to any garden that attracts wildlife. The leaves are also an important source of food for caterpillars, which can later turn into beautiful butterflies.

It's important to note that the Pyramidal Bugle is considered invasive in some areas, especially in the eastern United States. If you live in an area where this plant is considered invasive, make sure to keep it under control and avoid planting it near natural habitats.

Another thing to keep in mind is that the plant contains some toxic compounds that can cause skin irritation and digestive problems if ingested. Therefore, it's best to keep the plant out of reach of pets and children.

In addition to its ornamental value, the Pyramidal Bugle also has medicinal properties. It has been used for centuries in traditional medicine for its anti-inflammatory, antiseptic, and antispasmodic properties. The plant contains compounds such as eucalyptol and thujone that have been shown to have a therapeutic effect on the human body.

In traditional medicine, the plant was used to treat respiratory problems such as bronchitis and asthma, as well as digestive problems like indigestion and cramps. It was also used to relieve menstrual pain and promote menstrual flow. The plant's leaves and stems were used to make teas and decoctions, while its essential oils were used in massage oils and topical creams.

It's important to note that while the Pyramidal Bugle has been used for medicinal purposes, it's not recommended to use it without the supervision of a qualified healthcare provider. Some of the compounds in the plant can be toxic in large doses, and self-medication can lead to serious health problems.

In conclusion, the Pyramidal Bugle is not only a beautiful plant with ornamental value, but it also has a rich history of medicinal use. While its therapeutic properties are still being studied and understood, it's clear that this plant has the potential to offer a wide range of health benefits. So, next time you admire the beauty of this plant in your garden, take a moment to appreciate its historical and medicinal significance.

Distribution Map

Reproduced by kind permission of the BSBI.

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