Siberian Bugloss (Brunnera Macrophylla)

Plant: Table of Contents

Siberian Bugloss (Brunnera macrophylla): A Comprehensive Guide


In the world of gardening and landscaping, few plants can match the charm and versatility of Siberian bugloss (Brunnera macrophylla). Also known as False Forget-Me-Not, this herbaceous perennial is prized for its delicate, heart-shaped leaves and dainty blue flowers that resemble those of the true forget-me-not (Myosotis). In this comprehensive guide, we’ll delve into the intricacies of Siberian bugloss, exploring its cultural requirements, uses, propagation, maintenance, common pests and diseases, and much more. Whether you’re a seasoned gardener or just beginning your horticultural journey, this article aims to equip you with the knowledge needed to cultivate and appreciate this captivating plant.

What is Siberian Bugloss (Brunnera macrophylla)?

Siberian bugloss, scientifically known as Brunnera macrophylla, belongs to the Boraginaceae family. It is a rhizomatous, herbaceous perennial native to the woodlands of Eastern Europe, particularly in Siberia. This plant typically forms clumps of low-growing foliage and produces delicate, airy sprays of small, bright blue flowers in the spring. The genus name ‘Brunnera’ honors the Swiss botanist Samuel Brunner, while the specific epithet ‘macrophylla’ is derived from the Greek words ‘makros,’ meaning large, and ‘phyllon,’ meaning leaf, in reference to the plant’s sizeable, heart-shaped leaves.

Siberian Bugloss: Key Takeaways

Before we delve into the finer details of Siberian bugloss, here are some key takeaways about this captivating plant:
Scientific Name: Brunnera macrophylla
Common Names: Siberian bugloss, False Forget-Me-Not
Plant Type: Herbaceous Perennial
Foliage: Heart-shaped, Textured, Variegated
Flowers: Small, Blue, Resembling Forget-Me-Nots
Sunlight: Partial to Full Shade
Soil Type: Moist, Well-Drained
Hardiness Zones: 3-8
Uses: Ground Cover, Border Plant, Woodland Gardens, Containers

Now that we have a basic understanding of what Siberian bugloss is, let’s explore its cultural requirements and how to care for this alluring plant.



Siberian bugloss (Brunnera macrophylla) is employed in a variety of garden settings due to its unique foliage and delicate blooms. Some common uses of this plant include:
1. Ground Cover: With its spreading habit and attractive leaves, Siberian bugloss serves as an excellent ground cover for shady to partially shaded areas in the garden.
2. Border Plant: Its low-growing nature makes it well-suited for border and edging applications, adding a touch of elegance to garden beds.
3. Woodland Gardens: Given its native habitat, Siberian bugloss thrives in woodland or shaded garden settings, making it a popular choice for naturalistic landscapes.
4. Containers: The compact size and ornamental qualities of Siberian bugloss render it suitable for container gardening, imparting a whimsical touch to patio and balcony arrangements.


Proper watering is essential for the health and vitality of Siberian bugloss. Consider the following guidelines when it comes to watering this plant:
Moist Soil: Siberian bugloss thrives in consistently moist soil, particularly during the growing season. While it appreciates moisture, it is crucial to ensure that the soil is well-drained to prevent waterlogging, which can lead to root rot and other issues.
Shade and Watering: In hotter climates, it is especially important to water Siberian bugloss more frequently, as prolonged exposure to direct sunlight can increase its water needs. However, in cooler and shaded areas, the plant may require less frequent watering.


Siberian bugloss is renowned for its adaptability to various light conditions, making it a versatile addition to the garden. Here’s what you need to know about its sunlight requirements:
Partial to Full Shade: Siberian bugloss excels in locations with dappled or partial shade. While it can tolerate some morning sun, it generally prefers sheltered areas with limited direct sunlight. In regions with intense summer heat, providing afternoon shade is crucial to prevent leaf scorch and heat stress.


To promote healthy growth and abundant flowering, it’s important to provide Siberian bugloss with the right nutrients. Consider the following tips for fertilizing this plant:
Organic Matter: Incorporating organic matter such as compost or well-rotted manure into the soil at planting time can supply Siberian bugloss with a steady source of nutrients.
Balanced Fertilizer: During the growing season, a balanced, slow-release fertilizer with equal NPK (nitrogen, phosphorus, and potassium) ratios can be applied around the base of the plant. This should be done in early spring before new growth emerges.


The soil composition plays a crucial role in the overall health and performance of Siberian bugloss. Here are some important considerations when it comes to the soil requirements for this plant:
Moisture Retention: Siberian bugloss thrives in well-drained, moist soils with good water retention capacity. Amending the soil with organic matter, such as peat moss or compost, can help improve its moisture-holding ability.
Acidic to Neutral pH: This plant prefers slightly acidic to neutral soil with a pH range of 6.0 to 7.5. Conducting a soil test before planting can help determine the pH levels and make necessary adjustments.


Proper pruning is essential to maintain the health, shape, and vigor of Siberian bugloss. Here’s what you need to know about pruning this plant:
Removal of Spent Flowers: Deadheading the faded blooms can prolong the flowering period and prevent self-seeding, particularly in landscapes where naturalization is not desired.
Trimming Foliage: Trimming back the foliage in early spring before new growth emerges can help rejuvenate the plant and promote a flush of fresh, healthy leaves.


For gardeners looking to propagate Siberian bugloss, several methods can be employed to increase the plant population. Here are some common techniques for propagating this charming perennial:
Division: Siberian bugloss can be easily propagated through division, especially during the spring or fall. Simply dig up the mature clumps, divide them into smaller sections, and replant them in suitable locations.

Container Popularity

The adaptability and ornamental appeal of Siberian bugloss make it a popular choice for container gardening. Its compact size, colorful foliage, and delicate flowers contribute to its allure in container plantings, adding a touch of charm to patios, decks, and other outdoor living spaces.

Common Diseases

While Siberian bugloss is generally resistant to pests and diseases, it can occasionally encounter certain issues that warrant attention. Some common diseases to watch out for include:
Powdery Mildew: In humid or poorly ventilated conditions, Siberian bugloss may be susceptible to powdery mildew, characterized by a white, powdery growth on the foliage. Adequate spacing and good air circulation can help prevent this issue.

Disease Diagnosis

Diagnosing and addressing diseases promptly is crucial in maintaining the health and vitality of Siberian bugloss. By recognizing the symptoms and taking appropriate measures, gardeners can mitigate the impact of diseases on this plant.

Common Pests

Siberian bugloss is relatively resistant to pest infestations, thanks to its rugged foliage and overall resilience. However, it may occasionally attract certain pests, including:
Slugs and Snails: These mollusks can feed on the leaves of Siberian bugloss, causing unsightly damage. Employing organic or chemical slug and snail controls can help protect the plant from these pests.

Botanist’s Tips

In addition to the cultural guidelines and care tips, here are some valuable insights and recommendations from botanists and horticulture experts when it comes to growing Siberian bugloss:
Companion Planting: Pair Siberian bugloss with shade-loving companions such as hostas (Hosta spp.), ferns, and coral bells (Heuchera spp.) to create visually appealing and texturally diverse plantings in shady areas.

Fun Facts

Get to know Siberian bugloss a little better with these fun and intriguing facts about this enchanting plant:
Leaf Variegation: Some cultivated varieties of Siberian bugloss exhibit striking variegated foliage with intricate patterns, adding visual interest to the garden.
Wildlife Attraction: The delicate, blue flowers of Siberian bugloss can attract pollinators such as bees and butterflies, contributing to the biodiversity of the garden.

Links to External Resources

For further information on Siberian bugloss (Brunnera macrophylla) and related topics, consider exploring the following resources:
Royal Horticultural Society – Brunnera
Missouri Botanical Garden – Siberian Bugloss


Siberian bugloss (Brunnera macrophylla) undeniably holds its place as a captivating and versatile plant in the realm of ornamental gardening. From its decorative foliage and charming flowers to its adaptability in various garden settings, this perennial continues to enchant gardeners and landscape enthusiasts alike. By following the cultural guidelines, care recommendations, and expert insights outlined in this comprehensive guide, you can cultivate and appreciate the enduring appeal of Siberian bugloss in your own green space, whether it be a shaded woodland garden, a container arrangement, or a border planting.

As you embark on your journey with Siberian bugloss, may the allure of its blue blossoms and the grace of its textured leaves bring joy and beauty to your outdoor haven.

In conclusion, Siberian bugloss (Brunnera macrophylla) is a plant that offers not only aesthetic appeal but also resilience and versatility, making it a valuable addition to any garden or landscape. By understanding its cultural requirements, caring for its needs, and appreciating its unique attributes, you can cultivate a thriving and enchanting display of Siberian bugloss in your own outdoor space. Whether it’s the delicate blooms or the variegated foliage, this perennial has the power to captivate and inspire, adding an element of charm and grace to any setting. So, go ahead and embark on your journey with Siberian bugloss, and let its beauty flourish in your garden.

Remember, a world of elegance and allure awaits with Siberian bugloss as your companion.

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1. Royal Horticultural Society. “Brunnera.” Link
2. Missouri Botanical Garden. “Siberian Bugloss.” Link
3. Hay, Alistair, and Julian Shaw. “Plant Micropropagation.” The Springer International Series in Engineering and Computer Science. Springer, Boston, MA, 1984.
4. George, A., and G. Hall. “Vegetative Propagation of Ornamental Plants.” CRC Press, 2019.
5. Hartmann, Hudson T., et al. “Plant Propagation: Principles and Practices.” Pearson Education India, 2008.
6. Heuser Jr, Charles W., and Allan M. Armitage. “Manual of Herbaceous Ornamental Plants.” Stipes, 1990.

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Peter Taylors

Expert botanist who loves plants. His expertise spans taxonomy, plant ecology, and ethnobotany. An advocate for plant conservation, he mentors and educates future botanists, leaving a lasting impact on the field.