Pulmonaria 'Ballyrogan Blue'

RHS Plant Profile
lungwort 'Ballyrogan Blue'

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Herbaceous Perennial
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A clump-forming to spreading deciduous herbaceous perennial that forms a neat, low mound of lance shaped, silver spotted leaves with a stunning display of azure-blue flowers in early spring

Position

Full shade, Partial shade

Soil Types

Loam, Clay

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Clay
Moisture
Moist but well–drained
pH
Neutral or Acid

Position

Full shade Partial shade
Aspect
West–facing or East–facing or North–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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Boraginaceae
Native to GB/Ireland
No
Foliage
Deciduous, Semi evergreen
Habit
Matforming, Clump forming
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
Unresolved

How to Grow

Cultivation

Best grown in moist but well-drained soil in partial shade

Propagation

Propagate by division

Suggested planting locations and garden types

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

Pruning

Old, faded foliage can be trimmed if required.

Pests

May be susceptible to slugs and snails when foliage first emerges

Diseases

May be susceptible to Powdery mildews in dry conditions