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:
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
In flower about 3 months of the year
Planting
How to Grow
- Tuck seeds or divisions into prepared soil in early spring.
- Mist cuttings regularly to maintain humidity.
- Plant in partial shade with rich, moist soil for best growth.
- Water thoroughly after planting and keep soil consistently moist.
- Fertilize with a balanced, organic fertilizer in early spring.
- 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
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
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.
More Brunnera to compare

Jack Frost Siberian Bugloss
Brunnera macrophylla 'Jack Frost'

Queen of Hearts Brunnera
Brunnera macrophylla 'Queen of Hearts'

Sea Heart Brunnera
Brunnera macrophylla 'Sea Heart'

Heartleaf Alkanet Siberian Bugloss
Brunnera macrophylla 'Heartleaf Alkanet'

Looking Glass Brunnera
Brunnera macrophylla 'Looking Glass'

Siberian Bugloss 'Betty Bowring'
Brunnera macrophylla 'Betty Bowring'
Keep exploring
Explore the genus
Hardy in your zone?
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.

















