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Herbaceous Perennial

Brunnera macrophylla 'Jack Frost'PBR

Siberian bugloss 'Jack Frost'

A deciduous perennial with large, heart-shaped silver leaves edged and veined with green. Sprays of small blue flowers appear in the spring

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green Grey Silver
Summer Green Grey Silver
Autumn
Winter
Position
  • Full shade
  • Partial shade
Aspect

North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Boraginaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Brunnera are rhizomatous herbaceous perennials with large, ovate or heart-shaped basal leaves and sprays of small bright blue flowers in spring

Name status

Accepted

How to grow

Cultivation

Best grown in moderately fertile, humus-rich soil that is moist but well-drained. A cool site in partial shade or shade is preferred

Propagation

Propagate by division in early spring or take root cuttings in winter

Suggested planting locations and garden types
  • Cottage and informal garden
  • Underplanting of roses and shrubs
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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