About

Brunnera macrophylla 'Jack Frost' is a deciduous perennial featuring sizable, heart-shaped leaves that are predominantly silver, accented by green margins and veins. In spring, clusters of tiny blue flowers emerge, adding a subtle touch of color to the foliage.

About the genus

Brunnera are herbaceous perennials that grow from rhizomes, characterized by their large, heart-shaped or ovate leaves at the base. In spring, they produce clusters of small, vivid blue flowers.

Growing conditions

Sunlight
Full shade, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Plant type
Herbaceous Perennial
Habit
Bushy
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden

Care notes

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
Pruning
No pruning required
Propagation
Propagate by division in early spring or take root cuttings in winter
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free