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Sterling Silver Brunnera - 72-Cell Plug Tray

$988.35
$988.35 $1,745.28
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Size : 72-Cell Plug Tray
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About the Product

Sterling Silver is a Brunnera with extra-large, heart-shaped leaves that shine silver from spring through fall. Individual leaves can reach 7 to 8 inches wide, giving the plant real presence in a shade garden, and it holds up better in summer heat than older silver-leaf types.

In spring, clouds of tiny blue flowers hover over the foliage. The plant stays a manageable 10 to 14 inches tall and about 2 feet wide, so it works well as an edging, a groundcover in groups or a bright accent in a shaded pot.

What it looks like

A low, rounded clump of very large heart-shaped leaves, 7 to 8 inches wide, almost completely silver with a faint green tint along the veins and edges. The leaves have a smooth, slightly frosted matte surface and are held on short stems in overlapping layers, forming a mound 10 to 14 inches tall and about 20 to 24 inches wide. In mid spring, thin branched stems lift loose sprays of tiny sky-blue flowers, each about a quarter inch across with a pale center, several inches above the leaves. At peak bloom the plant looks like a silver cushion dusted with a blue haze.

Growing it with lavender

Sterling Silver needs shade and consistent moisture, so give it a spot away from your lavender, such as a woodland bed or the shady side of the house.

Care

Plant in part to full shade in average to fertile soil that is kept evenly moist, especially in summer. Hardy in zones 3-8. Remove spent flower stems after bloom and water during dry spells to keep the leaves looking their best.

At a glance

  • Botanical name: Brunnera macrophylla
  • Flower color: Sky blue
  • Foliage: Silver with faint green veins
  • Growth habit: Low, rounded mound
  • Mature size: 10–14 in tall × 20–24 in wide
  • USDA hardiness zones: 3–8
  • Light: part sun to part shade, full shade
  • Bloom start: Early-May
  • Peak bloom: Mid-May
  • Bloom pattern: Single Flush
  • Deer resistance: Resistant
  • Pollinator value: Good

Sizes and shipping

One full 72-cell plug tray: 72 young starter plugs of this variety (cells about 1⅓ in. wide × 2½ in. deep), rooted and ready to pot up into quarts or gallons. Best for growers and nurseries. Potted plants and plug trays ship during our live-plant seasons, March 1–May 31 and October 1–November 30; June through September is local pickup only. Plugs, potted plants and trays do not ship to AZ, CA, HI, ID, NV, OR, UT or WA.

View Product Details
Mature height
14.0 in
Mature spread
24.0 in
Bloom
Early-May – peak Mid-May
Fragrance
None
Deer
Resistant

Lavender companion · grow guide

How to grow Sterling Silver

Siberian Bugloss (Brunnera) · Brunnera macrophylla

Brunnera wants part to full shade with protection from afternoon sun and soil that stays moist. Silver-leaf types scorch quickly in sun or drought.

Check my zone & planting dates
Sterling Silver
  • Part shadeLight
  • Steady waterMoist drainage
  • pH 5.5–7.5Soil
  • Zones 3a–8bHardiness
  • 14″ tall24″ wide
  • ResistantDeer · rabbits resistant
  • Mildly toxicPets
Huckleberry, the farm dog

Huckleberry saysTell me where you grow and I’ll check if Sterling Silver will thrive there.

Hardy in zones 3a–8b

Spring or early fall.

When it arrives

Your plug tray

Plugs are small and dry out fast. Water on arrival, keep in bright light, and harden off a week before planting. Pot 72- or 20-cell plugs into 4 in pots in shade, or plant straight into moist, rich soil once roots hold together. Shade new plugs from midday sun.

When to plant

Spring or early fall.

How deep

Set the crown at soil level, same depth as in the pot.

Spacing

18-24 in apart; leaves spread wider than you expect.

Soil

Humusy loam · pH 5.5–7.5

Fix-it tip: Mix in compost or leaf mold and mulch to keep soil cool and moist. It adapts to acid or alkaline soil but not to dry soil.

Sun

Part shade (tolerates full shade).

Avoid afternoon sun; silver-patterned leaves burn easily. Morning sun is fine if soil stays moist.

Dormant
New growth

Don’t give up on it

Is it alive? What spring looks like

Leaves and sprays of tiny blue flowers appear together in early to mid spring. Big heart-shaped leaves fill in after bloom.

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