perennial

Alexandria Siberian Bugloss

Brunnera macrophylla 'Alexandria'

The Story

Plant Bio

Brunnera macrophylla, Siberian bugloss, is a clump-forming perennial that features heart-shaped leaves and sprays of small, blue, forget-me-not-like flowers in spring.

The 'Alexandria' cultivar is distinguished by its brilliant, reflective, solid silver leaves with green veining and margins, creating a dramatic effect in shady areas.

Uses & Benefits:

Ornamental UsesBright blue flowers and lush foliage add visual interest in shaded gardens.
Practical UsesPrefers moist, well-drained soil, tolerates drought once established.
Ecological BenefitsSupports pollinators with early spring blooms and provides habitat with dense foliage.
SpeciesBrunnera macrophyllaSiberian Bugloss

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Prefers moist, humid environments

Lifespan

Perennial

Native To

Caucasus region

Toxicity

Non-toxic to humans and pets

Bloom period

Early spring – Late spring

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In flower about 3 months of the year

Planting

How to Grow

  1. Tuck seeds or divisions into prepared soil in early spring.
  2. Mist cuttings regularly to maintain humidity.
  3. Plant in partial shade with rich, moist soil for best growth.
  4. Water thoroughly after planting and keep soil consistently moist.
  5. Fertilize with a balanced, organic fertilizer in early spring.
  6. Mulch around the plant to retain moisture and suppress weeds.

Pro Tip

Provide dappled shade and keep soil moist for optimal growth.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil evenly moist 🌱
  • Mulch to conserve moisture and regulate temperature
  • Divide in early spring or fall every 3–4 years

Don't

  • Avoid overexposure to direct hot sun ❌
  • Don’t let the soil dry out completely
  • Refrain from heavy pruning in late fall

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Fertilize
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland garden with silvery foliageVanilla-scented border in shaded bedsUnderstory plant beneath taller shrubs

Companion Plants

Multiply

Propagation Methods

Good to Know

Common Questions

Alexandria Siberian Bugloss questions

What zones can Alexandria Siberian Bugloss grow in?

Alexandria 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 Alexandria Siberian Bugloss deer resistant?

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

When does Alexandria Siberian Bugloss bloom?

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

Does Alexandria Siberian Bugloss need full sun?

Alexandria Siberian Bugloss does best in part shade.

Keep exploring

Grow Alexandria Siberian Bugloss with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.