Species

16 other cultivars

perennial RHS Award

Jack Frost Siberian Bugloss

Q: What zones can Jack Frost Siberian Bugloss grow in?

Jack Frost 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.

Q: Is Jack Frost Siberian Bugloss deer resistant?

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

Q: When does Jack Frost Siberian Bugloss bloom?

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

Q: Does Jack Frost Siberian Bugloss need full sun?

Jack Frost Siberian Bugloss does best in part shade.

Brunnera macrophylla 'Jack Frost'

$14.95

The Story

Plant Bio

Herbaceous perennial known for its beautiful heart-shaped leaves and small blue flowers.

Features silvery, variegated leaves which are a standout in shade gardens.

Uses & Benefits:

Brunnera Jack Frost offers striking silver and green variegated foliage that brightens shady spots and adds visual interest throughout the growing season.

Its low-maintenance nature makes it ideal for shaded gardens, requiring minimal care and thriving in moist, well-drained soil.

Provides habitat and nectar for pollinators like bees and butterflies, supporting local biodiversity.

SpeciesBrunnera macrophyllaSiberian Bugloss

Essentials

At a Glance

Plant Type

Perennial

Height

15 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

Toxicity

Non-toxic

Bloom period

Mid-spring – Late spring

In flower about 2 months of the year

Marketplace

Where to Buy

New Garden Plants

<1 Gal Pot

In Stock$14.95

Great Garden Plants

<1 Gal Pot1+ Gal PotTrays

In Stock$17.99

Rare Roots

<1 Gal Pot

In Stock$18.95

Plant Delights Nursery

<1 Gal Pot1+ Gal Pot

In Stock$22.00

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and encourage rooting.
Plant in well-draining soil with partial shade for optimal growth.
Water consistently, especially during dry periods, to keep soil moist.
Apply a balanced, slow-release fertilizer in early spring to promote healthy foliage.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Plant in partial shade with rich, moist soil for vibrant foliage and healthy growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil evenly moist 💧
Mulch to conserve moisture and regulate soil temperature
Prune dead or damaged leaves to encourage new growth
Fertilize early in the growing season for lush foliage

Don't

Avoid overwatering to prevent root rot ❌
Don’t expose plants to direct, harsh afternoon sun
Refrain from using heavy, clay-based soils that drain poorly
Don’t forget to remove weeds that compete for nutrients

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland garden with variegated foliageCool, shaded border for visual contrastMoist, shady hedge for privacy

Companion Plants

Hostas Astilbes Ferns Heucheras Bleeding Heart

Multiply

Propagation Methods

Good to Know

Common Questions