Pulmonaria 'Blue Ensign' (Lungwort) — clusters of intense sapphire-blue funnel-shaped flowers over broad, unspotted dark-green leaves, blooming early spring. Evergreen, prefers partial to full shade; can tolerate sun if soil stays reliably damp.
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🌿 Grown at our London nursery — collect in person or arrange local delivery
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Product features
Botanical name: Pulmonaria 'Blue Ensign'
Common name: Lungwort, Bethlehem Sage
Height: 25cm–35cm (up to 50cm)
Spread: 30cm to 45cm
Foliage: Broad, unspotted dark-green leaves, slightly bristly
Flower: Clusters of sapphire-blue funnel-shaped flowers, early spring
Attractive to wildlife: Highly attractive to bees, especially early bumblebees
Soil Type: Fertile, moist but well-drained, humus-rich soil
Drought tolerant: No, requires consistently moist soil
Hardy: Fully hardy (RHS H6/H7)
Position: Partial to full shade, tolerates sun if soil stays damp
Evergreen: Yes, semi-evergreen
Suitable for: Woodland gardens, shady borders, ground cover, rock gardens
Materials and care
Light: Full sun for sturdy flowering stems
Aspect: South- or west-facing, open, sunny, warm positions
Soil type: Fertile, humus-rich, organic soil
Drainage: Moist but well-drained
Watering: Medium needs, water regularly during hot spells
End of season: Cut back hard in early spring
Fertiliser: Apply balanced slow-release fertiliser in spring
Propagation: Divide established clumps every 3-4 years in early spring
