Brunnera macrophylla

Growing Siberian bugloss is a joy for anyone who needs to liven up shady spots in the garden, because this long-lived perennial does not require complex care. Choosing the right location is absolutely crucial for successful growth. The plant prospers in partial shade to shade, ideally under tree canopies or by the north walls of buildings. It can tolerate even mild morning sun, but midday scorching heat could burn its large decorative leaves. The soil should be loamy, humus-rich, and capable of retaining moisture, but at the same time sufficiently well-drained to prevent root rot. Bugloss thrives even in heavier clay soils, provided they are enriched with organic matter, which will ensure the necessary structure.
Since you will receive an already grown seedling, you can plant it practically throughout the growing season, although the most suitable times are spring and autumn, when the soil is naturally moister. When planting, keep a spacing of about 40 cm (approximately 5–7 plants per m²) so that the leaves have enough space to unfold and form a closed stand. After planting, it is necessary to water the plants thoroughly. Moisture is crucial for bugloss – the soil should never dry out completely. If you grow the plant in a place that occasionally gets sun, you must adjust the watering and water more frequently.
During the season, maintenance is minimal, but a few interventions will benefit the plant. After blooming, which is usually in June, it is recommended to perform a complete cutback of faded stems and older leaves. This step will support the formation of new, healthy, and visually attractive leaves that will adorn the flower bed until autumn. As for fertilizing, it is enough to incorporate compost into the soil in the spring or use a slow-release fertilizer for perennials. The biggest enemy of these plants are slugs and snails, which love their juicy leaves. It is therefore necessary to regularly check the stands and possibly apply protection, whether in the form of barriers or biological products. Conversely, bugloss does not suffer from diseases and is very resilient.
In terms of frost hardiness, it is a champion that handles temperatures down to -40 °C (zone 3a), so it does not need any special winter protection in the flower bed. In the spring, you simply remove the dead leaf remains from the previous season. You often ask whether bugloss can be grown in pots or window boxes. Yes, it is possible, and the plant looks very striking in a pot, especially as underplanting beneath taller small trees or in combination with spring bulbs. For growing in a container, choose a sufficiently large pot with a drainage hole and do not forget the drainage layer. In a container, the plant requires more frequent watering because the substrate dries out faster, and in winter it is advisable to wrap the pot in jute or polystyrene so that the root ball, which is more vulnerable above ground than in open soil, does not freeze.