Species

Brunnera macrophyllaSiberian Bugloss

16 other cultivars

perennial

Emerald Mist Siberian Bugloss

Brunnera macrophylla 'Emerald Mist'

The Story

Plant Bio

Brunnera macrophylla, commonly known as Siberian bugloss, is a clump-forming perennial prized for its large, heart-shaped, basal leaves and airy sprays of small, forget-me-not-like blue flowers in spring. It thrives in shady, moist woodland conditions.

The 'Emerald Mist' cultivar is distinguished by its large, heart-shaped leaves featuring a heavy silver overlay with intricate green veining and a distinct, thin green margin. This striking foliage provides long-lasting interest in the shade garden.

Uses & Benefits:

Vivid foliage and delicate flowers add lush beauty to shaded gardens.

Prefers moist soil, helping to improve garden humidity levels.

Provides habitat for beneficial insects and pollinators.

SpeciesBrunnera macrophyllaSiberian Bugloss

Essentials

At a Glance

Plant Type

Perennial

Height

15 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moist

Humidity

Moderate to high

Lifespan

Perennial

Native To

Caucasus, Western Asia

Toxicity

Non-toxic to humans and pets

Bloom period

Early spring – Mid-spring

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or divisions into moist soil in early spring
Water regularly to keep soil consistently moist
Provide shade during hot summer months for best growth
Mulch around plants to retain moisture
Fertilize lightly in spring with a balanced fertilizer
Divide every 3-4 years to maintain vigor

Pro Tip

Plant in well-drained, moist soil with dappled shade for optimal growth

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Mulch to conserve moisture and suppress weeds
Divide every few years to promote healthy growth
Provide shade during hot afternoons

Don't

Avoid drought conditions; water regularly ❌
Don’t expose to full sun, which can scorch leaves
Don’t let soil dry out completely
Avoid heavy, poorly-drained soils

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderMoist garden bed with lush foliageCool, shady courtyard planting

Companion Plants

HostaFerns AstilbeJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Emerald Mist Siberian Bugloss questions

What zones can Emerald Mist Siberian Bugloss grow in?

Emerald Mist Siberian Bugloss is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Emerald Mist Siberian Bugloss deer resistant?

Yes — Emerald Mist Siberian Bugloss is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Emerald Mist Siberian Bugloss bloom?

Emerald Mist Siberian Bugloss typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Emerald Mist Siberian Bugloss need full sun?

Emerald Mist Siberian Bugloss does best in part shade.