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Brunnera macrophylla 'Jack Frost' (Siberian bugloss 'Jack Frost')
1 hour care
per year
per year
0.5m
Max height
Max height
0.5m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Brunnera macrophylla 'Jack Frost'
Other names
Siberian bugloss 'Jack Frost'
Genus
Brunnera Brunnera
Variety or Cultivar
'Jack Frost' _ 'Jack Frost' is a clump-forming perennial, with broad, hairy, heart-shaped leaves which are silver with green veins and blue forget-me-not type flowers in spring.
Brunnera macrophylla 'Jack Frost' is: Deciduous
Habit
Cushion or Mound Forming
Flower
Blue in Spring
Foliage
Green, Veined, Silvery-grey in All seasons
How to care
Watch out for
Pests
Generally pest free. The fact that slugs don't like the leaves gives this plant an edge over hostas for shade planting. These two plants work well interplanted together.
General care
Pruning
Cut stems and leaves down to the ground in spring rather than autumn to protect the crown during winter.
Propagation
Divide and replant roots of crowded clumps in early spring. Grow from root cuttings in a cold frame and plant the rooted cuttings in a nursery bed in early summer and replant the hardier plants later in the year.
Propagation methods
Division, Root cuttings
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Where to grow
Brunnera macrophylla 'Jack Frost' (Siberian bugloss 'Jack Frost') will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Suggested uses
Cottage/Informal, Flower Arranging, Beds and borders, Containers
Cultivation
Plant in the autumn or spring in any ordinary soil. Tolerates either sun or shade, although if planted in full sun less tolarant of drought.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Brunnera macrophylla 'Jack Frost'
Other names
Siberian bugloss 'Jack Frost'
Genus
Brunnera Brunnera
Variety or Cultivar
'Jack Frost' _ 'Jack Frost' is a clump-forming perennial, with broad, hairy, heart-shaped leaves which are silver with green veins and blue forget-me-not type flowers in spring.
Foliage
Deciduous
Habit
Cushion or Mound Forming
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Colour
Flower
Blue in Spring
Foliage
Green, Veined, Silvery-grey in All seasons
How to care
Watch out for
Pests
Generally pest free. The fact that slugs don't like the leaves gives this plant an edge over hostas for shade planting. These two plants work well interplanted together.
General care
Pruning
Cut stems and leaves down to the ground in spring rather than autumn to protect the crown during winter.
Propagation
Divide and replant roots of crowded clumps in early spring. Grow from root cuttings in a cold frame and plant the rooted cuttings in a nursery bed in early summer and replant the hardier plants later in the year.
Propagation methods
Division, Root cuttings
Monthly care advice
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Where to grow
Brunnera macrophylla 'Jack Frost' (Siberian bugloss 'Jack Frost') will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Suggested uses
Cottage/Informal, Flower Arranging, Beds and borders, Containers
Cultivation
Plant in the autumn or spring in any ordinary soil. Tolerates either sun or shade, although if planted in full sun less tolarant of drought.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
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Jack Frost with
(26/02/2012)
(29/05/2010)
Brunnera 'Jack Frost', 5 months' growth (21/03/2012)
between first two trees on the right
(07/06/2010)
(29/06/2013)
(19/10/2010)
Very distinctive leaves on this Brunnera (07/06/2010)
Back
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Shade | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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Brunnera macrophyla
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