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Siberian Bugloss

Brunnera macrophylla

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Plant Profile

Flowering Months:
Boraginaceae (Borage)
Life Cycle:
Maximum Size:
50 centimetres tall
Gardens, woodland.

Blue, 5 petals
Clusters of small sky blue coloured flowers that resemble those of Forget-me-not's. The petals are not notched.
Ridged nutlets.
A tufted perennial with large leaves that are heart-shaped, silver edged and silver veined. The leaves are also long-stalked. Occasionally seen growing wild as a garden escape species (in the UK).
Other Names:
Great Forget-me-not, Heartleaf, Heartleaf Brunnera, Largeleaf Brunnera.
Frequency (UK):

Other Information


Brunnera macrophylla, also known as heartleaf brunnera or Siberian bugloss, is a species of flowering plant in the family Boraginaceae. It is native to the Caucasus region of Europe and is commonly found in woodlands, along streams, and in other moist, shaded areas. B. macrophylla is a herbaceous perennial that grows to a height of up to 60 centimeters. It has large, heart-shaped leaves and small, blue or purple flowers that bloom in the spring. The plant is grown as an ornamental plant in gardens and is valued for its ability to tolerate partial shade and its attractive foliage. B. macrophylla is also used medicinally to treat a variety of ailments, including respiratory problems and skin conditions.


Siberian Bugloss, also known as Brunnera macrophylla, is a beautiful and hardy flowering plant that is native to the forests of Russia and Georgia. It is a member of the borage family and is known for its lush, heart-shaped leaves and delicate, blue forget-me-not-like flowers.

This shade-loving plant is ideal for woodland gardens, shady borders, and shady areas of rock gardens. Its delicate blue flowers appear in early spring, adding a pop of color to any shady area. The foliage is a stunning green color, which provides a nice contrast to the blue flowers.

Brunnera macrophylla is an easy-to-grow plant that is well suited to temperate climates. It is quite hardy and can survive cold temperatures, making it a good choice for gardens in colder regions. The plant is also drought tolerant once established, making it an excellent choice for gardeners who don't want to worry about watering their plants too frequently.

This plant prefers moist, well-drained soil, and does not like to be in soil that is too dry or too wet. It also requires a well-draining soil, as it does not tolerate waterlogged soil.

Siberian Bugloss can be propagated by dividing the roots in the spring or fall. It can also be propagated from seed, although this method may take longer to produce flowers. Once established, this plant will spread slowly, forming a dense ground cover.

In addition to its ornamental value, Brunnera macrophylla is also a valuable plant for wildlife. Its delicate blue flowers provide an important source of nectar for bees and other pollinators, while its leaves provide food for caterpillars of some butterfly species.

One important aspect to consider when growing Brunnera macrophylla is its susceptibility to certain pests and diseases. Some common pests that can attack Siberian Bugloss include slugs and snails, which can eat the leaves and flowers of the plant. To control these pests, use slug bait or copper bands around the base of the plant.

Another potential issue is powdery mildew, which is a fungal disease that can cause white, powdery spots on the leaves and stems of the plant. This disease can be prevented by ensuring proper air circulation around the plant, as well as avoiding overhead watering. If powdery mildew does occur, it can be treated with a fungicide.

In terms of maintenance, Brunnera macrophylla is a low-maintenance plant that requires very little care once established. It may benefit from being divided every few years, to ensure that it continues to grow and flourish. In addition, it is a good idea to remove any yellow or damaged leaves throughout the growing season, to keep the plant looking its best.

Overall, Siberian Bugloss is a versatile and beautiful plant that is perfect for adding color and texture to any garden. Its delicate blue flowers and lush foliage make it a favorite among gardeners and its low-maintenance requirements make it an ideal choice for both experienced and novice gardeners alike.

Siberian Bugloss is also known for its versatility and can be used in a variety of ways in the garden. For example, it can be planted along a shady border, used as a ground cover, or grown in containers. When planted in containers, the plant can be moved around the garden to take advantage of different light conditions, or it can be brought indoors during the winter.

One particularly beautiful way to use Brunnera macrophylla is to plant it in a woodland garden, surrounded by ferns, hostas, and other shade-loving plants. This creates a lush and tranquil environment that is perfect for relaxing and enjoying nature. In addition, the plant's delicate blue flowers make it a popular choice for cottage gardens, where it can be paired with other romantic, old-fashioned plants such as roses and peonies.

Another use for Brunnera macrophylla is in the creation of a wildlife garden. As mentioned before, its flowers provide important nectar for pollinators, and its leaves are a food source for caterpillars. By planting a variety of native plants, you can create a garden that not only looks beautiful but also provides habitat for a variety of wildlife species.

Finally, it is worth mentioning that Brunnera macrophylla has been used for medicinal purposes in traditional cultures. For example, the plant's leaves were used to treat skin ailments, and the roots were used to treat digestive problems. While these uses have not been scientifically proven, it is interesting to note that this plant has a long history of use in traditional medicine.

In conclusion, Siberian Bugloss is a beautiful and versatile plant that can be used in a variety of ways in the garden. Whether you are looking to add color to a shady area, create a tranquil woodland garden, or support wildlife, this plant is an excellent choice.


Siberian Bugloss filmed in Duxbury Walled Gardens, Lancashire on the 12th May 2023.


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