Lungwort (Pulmonaria officinalis)

Lungwort

Pulmonaria officinalis

Fuzzy spotted leaves hold soft spring blooms, a woodland gem. Herbaceous perennial; common name: lungwort.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Dappled shade to partial morning sun; avoid hot midday direct sun which can scorch variegated leaves
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the root zone to dry out completely
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Temperature Hardy to -15°C; thrives in cool temperate conditions; avoid prolonged temperatures above 25°C
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Characteristics

  • Leaf: Oval to lanceolate leaves with silver-white spotted variegation; fuzzy texture on upper and lower surfaces
  • Flower: Tubular blooms that shift from pink to blue as they mature, clustered in terminal racemes
  • Stem: Hairy, upright stems that bear flower clusters and basal foliage
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Care Guide

Watering

Keep soil evenly moist; apply mulch to retain moisture and suppress weeds

Fertilization

Apply diluted organic feed once monthly during active growth. Use low-nitrogen, phosphorus-rich feed to promote flower production

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Deadhead spent flower clusters to maintain plant tidiness and prevent unwanted self-seeding
  • Cut back foliage to ground level after flowering to encourage fresh, healthy new growth
  • Remove yellowing or damaged leaves promptly to reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; no harmful effects for cats

Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Traditional herbal use for respiratory ailments; ornamental shaded garden plant