Pulmonaria officinalis 'Spot On'
perennial

Lungwort

Pulmonaria officinalis 'Spot On'

The Story

Plant Bio

Clump-forming, rhizomatous perennial known for its decorative, often silver-spotted foliage and early spring flowers that change color with age. A classic woodland garden plant.

This hybrid cultivar features long, narrow, dark green leaves heavily marked with silver spots. Offers excellent resistance to powdery mildew. Flowers emerge salmon-pink and mature to blue.

Uses & Benefits:

Ornamental UsesPulmonaria officinalis 'Spot On' offers attractive spotted foliage and early spring flowers, adding visual interest to shaded gardens.
Practical UsesProvides ground cover that suppresses weeds in shady areas.
Ecological BenefitsSupports pollinators like bees and butterflies with early nectar sources.

Essentials

At a Glance

Plant Type

Perennial

Height

12"

Width

18"

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Medium

Humidity

Average

Lifespan

Perennial

Native To

Garden origin

Toxicity

Generally non-toxic

Bloom period

Early spring – Late spring

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 3 months of the year

Planting

How to Grow

  1. Tuck seeds into moist soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity and promote rooting.
  3. Plant in well-drained soil with partial shade for optimal growth.
  4. Water consistently during dry periods to keep soil moist but not waterlogged.
  5. Fertilize with a balanced, slow-release fertilizer in spring and mid-summer.
  6. Divide clumps every 3-4 years in early spring or fall to rejuvenate.

Pro Tip

Mulch around plants to retain moisture and suppress weeds, especially in hot summers.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Provide partial shade in hot climates
  • Apply organic compost annually
  • Prune after flowering to maintain shape

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don’t expose to full, harsh sun which can scorch leaves
  • Refrain from high nitrogen fertilizers that promote excessive leaf growth
  • Avoid disturbing roots during the growing season

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Fertilize
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderMoonlit garden bedPart shade rock garden

Companion Plants

Ferns Hostas Astilbes BrunneraSolomon's Seal

Multiply

Propagation Methods

Good to Know

Common Questions