Home > Catalogue > Brunnera macrophylla 'JACK FROST'
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Illustrative photo.
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Brunnera macrophylla 'JACK FROST' brunnera, Siberian bugloss

size/type
low perennial
usual height
0,2-0,3m
usual width
0,3-0,4m
leaves
deciduous broadleaf
colour of leaves
+ combined: silver a green
flowers
showy
colour of flowers
sky blue
blooming time
April-May
location
semi-shade to shade
USDA zone (lowest)
4   (down to -34°C)
winter protection
 
for zone 5+6
Kód zimní ochrany zóna 5+6
for zone 7
Kód zimní ochrany zóna 7
mycorrhizal product
categorized

Brunnera

Brunnera or Siberian bugloss is an attractive woodland perrenial with showy foliage, suitable especially for garden enthusiasts who look for the beauty of leaves rather than flowers. The leaves are rounded to heart-shaped and if cultivated in a mass they provide an excellent and lush groundcover under tall multistemmed shrubs or trees.

Description of the plant

Brunnera is rhizomatous perennial with soft, hairy, hear-shaped leaves. Variety Jack Frost has large, silver leaves with strong, dark green veins and clearly defined margins. Clusters of forget-me-not like blue flowers appear on about 20cm tall stalks in early to mid spring.

Last update 22-01-2008

Growing conditions and care

Siberian bugloss is a tuberous perennial that thrives in lightly shaded to fully shaded locations, where it can fully showcase its attractive foliage. It requires well-drained, but moist, and cool soil. It is not susceptible to diseases or pests. Regular fertilizing will enhance growth and produce denser tufts, but it is not needed. Still, if you decide to feed the plant, do so every two weeks from the time the flowers appear until midsummer. Fully hardy to approx. -40 °C (USDA zone 3) and suitable for outdoor containers, too.

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