Silver Heart Siberian Bugloss
Brunnera macrophylla 'Silver Heart'
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
18 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Regular moisture, avoid drought
Humidity
Prefers humid, moist environments
Lifespan
Perennial
Native To
Caucasus
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Brunnera macrophylla 'Silver Heart' is a perennial groundcover distinguished by its heart-shaped, silvery foliage with dark green edges and clusters of small, azure blue flowers in spring. This cultivar is celebrated for its striking, thick, silvery leaves with dark green veins and margins that provide ornamental interest throughout the growing season. It is more heat and humidity tolerant than other varieties.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or divisions into moist soil in early spring.
- Mist cuttings regularly to maintain humidity.
- Plant in well-drained loamy soil with partial shade.
- Water consistently to keep soil moist but not waterlogged.
- Apply balanced fertilizer in early spring and mid-summer.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Provide partial shade and keep soil consistently moist for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to conserve moisture and suppress weeds
- Divide every 3-4 years to maintain vigor
- Prune dead or damaged leaves in early spring
Don't
- Avoid overwatering which can cause root rot ❌
- Don’t expose to full sun, it can scorch leaves
- Refrain from fertilizing late in the season
- Don’t ignore pest signs like leaf spots
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| 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
Silver Heart Siberian Bugloss questions
What zones can Silver Heart Siberian Bugloss grow in?
Silver Heart 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 Silver Heart Siberian Bugloss deer resistant?
Yes — Silver Heart Siberian Bugloss is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Silver Heart Siberian Bugloss bloom?
Silver Heart 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 Silver Heart Siberian Bugloss need full sun?
Silver Heart Siberian Bugloss does best in part shade.
More Brunnera to compare
Siberian Bugloss
Brunnera macrophylla 'Jack Frost'
Queen of Hearts Brunnera
Brunnera macrophylla 'Queen of Hearts'
Sea Heart Brunnera
Brunnera macrophylla 'Sea Heart'
Siberian Bugloss
Brunnera macrophylla 'Heartleaf Alkanet'
Siberian Bugloss 'Betty Bowring'
Brunnera macrophylla 'Betty Bowring'
Looking Glass Brunnera
Brunnera macrophylla 'Looking Glass'
Keep exploring
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