About
Pulmonaria obscura, the unspotted lungwort, is a herbaceous perennial to 30 cm with softly hairy, unspotted, green, lanceolate to ovate leaves 4�12 cm long. Funnel-shaped flowers that open pink and mature to reddish-violet are produced from March to May. A rewarding and ornamental native lungwort for a shaded, moist border.
About the genus
Pulmonaria, the lungworts, are herbaceous or semi-evergreen, rhizomatous perennials with hairy, often attractively spotted or marbled leaves and terminal clusters of funnel-shaped flowers that open pink and turn blue or violet in late winter and early spring. Excellent ground-cover plants for shaded, moist borders.
Growing conditions
SunlightFull shade, Partial shade
Soil typeClay, Loam
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Wildlife gardens
Native toEurope
Care notes
CultivationGrow in humus-rich, fertile, moist but not waterlogged soil in full or partial shade
PruningRemove old leaves after flowering
PropagationPropagate by division, after flowering or in autumn
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceMay be susceptible to powdery mildews in dry conditions