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Herbaceous Perennial

Brunnera macrophylla 'Langtrees'

Siberian bugloss 'Langtrees'

'Langtrees' is a deciduous perennial with sprays of dainty, forget-me-not blue flowers in spring above rough-textured, heart-shaped leaves. These bear an outer ring of metallic grey markings

Synonyms

Brunnera macrophylla 'Long Trees'
Brunnera macrophylla 'Aluminium Spot'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

North–facing or West–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

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 is preferred as leaves will scorch in full sun

Propagation

Propagate by division in early spring or autumn

Suggested planting locations and garden types

Cottage and informal garden
Banks and slopes
Flower borders and beds
Underplanting of roses and shrubs
Ground cover

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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