Narrow-Leaved Lungwort

(Pulmonaria angustifolia)

Narrow-Leaved Lungwort (Pulmonaria angustifolia)

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Estimated Native Range
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Summary

Pulmonaria angustifolia, commonly known as narrow-leaved lungwort or blue cowslip, is an herbaceous perennial native to Europe, particularly found in deciduous woodlands and moist, shaded habitats. It typically grows to 30 cm (12 in) tall and 45 cm (18 in) broad, with hairy, oval, dark green leaves often spotted with silver. The plant is well-known for its masses of bright blue flowers that bloom in early spring, creating a striking display. The subspecies P. angustifolia subsp. azurea is noted for its particularly vivid blue flowers that appear both in spring and intermittently in winter.

Narrow-leaved lungwort is valued for its early spring blooms and its foliage, which provides visual interest even when the plant is not in flower. It is often used in woodland gardens, shaded borders, and as ground cover under trees or shrubs. It thrives in moist, humus-rich soil and benefits from dappled shade, which mimics its natural woodland setting. While it prefers consistently moist soil, it is somewhat drought-tolerant once established. Gardeners should be aware that Pulmonaria angustifolia can be susceptible to powdery mildew, especially in hot, dry conditions. To mitigate this, ensure good air circulation and avoid overhead watering.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-1.5 feet
  • Width: 0.667-1 feet
  • Growth Rate: Moderate
  • Flower Color: Blue, Purple
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Bank Stabilization, Bee Garden, Deer Resistant, Groundcover, Low Maintenance, Rabbit Resistant, Salt Tolerant

Natural Habitat

Deciduous woodlands and moist, shaded habitats

Other Names

Common Names: Narrow-Leaved Lungwort, Blue Lungwort, Cowslip Lungwort, Himmelblå Lungeurt × Almindelig Lungeurt, Himmelblå Lungeurt, Schmalblättriges Lungenkraut, Pulmonaire À Feuilles Étroites, Šaurlapu Lakacis, Smalbladig Longkruid, Smalbladig Lungört, Lungwort

Scientific Names: , Pulmonaria montana, Pulmonaria angustifolia, Pulmonaria azurea, Pulmonaria tuberosa, Pulmonaria angustifolia subsp. azurea, Pulmonaria media, Pulmonaria oblongata, Bessera azurea, Pulmonaria angustata

GBIF Accepted Name: Pulmonaria angustifolia L.