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Brunnera macrophylla 'Jack Frost' (Siberian bugloss 'Jack Frost')

Beginner
skill rating
1 hour care
per year
0.5m
Max height
0.5m
Max spread
2-5 years
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

Veined, Silvery-grey, Green 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


Colour

Flower

Blue in Spring

Foliage

Veined, Silvery-grey, Green 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


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)

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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...

DISCUSS THIS PLANT

Brunnera macrophyla

I have got three of these plants planted in April next to each other and they have been doing very well. Today however, the middle one is showing brown and wilted leaves and looks like it is on the… read more

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