About

A clump-forming, deciduous, herbaceous perennial to 20cm high with plain green, lance-shaped to narrowly oval leaves. Clusters of bright blue, funnel-shaped flowers, each up to 2cm long, are borne on erect stems in early spring.

About the 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

Growing conditions

SunlightFull shade, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH6

Plant details

Plant typeHerbaceous Perennial
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildlife gardens

Care notes

CultivationGrow in partial shade or full shade in well-drained humus-rich soil that stays moist all summer; remove old leaves after flowering; divide every three to five years
PruningNo pruning required
PropagationPropagate by division after flowering or in autumn, or by root cuttings in midwinter
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceMay be susceptible to powdery mildews in dry conditions