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Herbaceous Perennial

Pulmonaria 'Blue Ensign'
  • RHS AGM
  • RHS Plants for pollinators

lungwort 'Blue Ensign'

A strong-growing deciduous perennial to 30cm tall, with broad, dark green leaves and compact clusters of large, violet-blue flowers in spring

Synonyms
Pulmonaria angustifolia 'Blue Ensign'

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Green
Autumn Green
Winter Green
Position
  • Full shade
  • Partial shade
Aspect

North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Boraginaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Pulmonaria can be herbaceous or semi-evergreen rhizomatous perennials with terminal clusters of funnel-shaped flowers in late winter or early spring, and often strikingly patterned leaves developing in summer

Name status

Accepted

How to grow

Cultivation

Grow in humus-rich, fertile, moist but not waterlogged soil in full or partial shade

Propagation

Propagate by division after flowering or in autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

Remove old leaves after flowering

Pests

Generally pest-free

Diseases

May be subject to powdery mildews in dry conditions

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