North America Non-native Plant

Lungwort

Botanical name: Pulmonaria

USDA symbol: PULMO

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Lungwort: A Charming Early Bloomer for Shady Spots If you’re looking for a plant that brings life to your shade garden when most everything else is still sleeping, lungwort (Pulmonaria) might just be your new best friend. This quirky perennial has been winning over gardeners for centuries with its spotted ...

Lungwort: A Charming Early Bloomer for Shady Spots

If you’re looking for a plant that brings life to your shade garden when most everything else is still sleeping, lungwort (Pulmonaria) might just be your new best friend. This quirky perennial has been winning over gardeners for centuries with its spotted leaves and cheerful early flowers that seem to change colors like a botanical mood ring.

What Makes Lungwort Special?

Lungwort is a herbaceous perennial forb, which is just a fancy way of saying it’s a non-woody plant that comes back year after year. What really sets this plant apart is its distinctive foliage – many varieties sport silvery spots or mottled patterns that look almost like someone splattered paint across the leaves. The flowers are equally enchanting, often starting pink and maturing to blue, though you’ll also find varieties with pure white or deep purple blooms.

Where Does Lungwort Come From?

Originally hailing from Europe and western Asia, lungwort is not native to North America. However, it has naturalized in several regions and can be found growing wild in parts of Canada (Nova Scotia, Ontario, and Quebec) and the northeastern United States (New York and Vermont). As an introduced species, it has established itself and reproduces on its own in these areas.

Should You Plant Lungwort in Your Garden?

While lungwort isn’t native to our continent, it’s generally well-behaved in the garden and provides valuable early-season nectar when few other flowers are available. Here are some reasons you might want to consider it:

  • Blooms very early in spring, often while snow is still melting
  • Thrives in shade where many other flowering plants struggle
  • Attractive foliage provides interest long after flowers fade
  • Low maintenance once established
  • Excellent ground cover for woodland gardens

That said, if you’re committed to native gardening, consider alternatives like wild ginger, bloodroot, or Virginia bluebells, which provide similar early season interest and better support local wildlife.

Growing Lungwort Successfully

The good news is that lungwort is pretty easygoing once you understand its preferences. Think of it as a woodland plant that appreciates the same conditions you’d find on a forest floor.

Ideal Growing Conditions

  • Light: Partial to full shade (morning sun is okay, but avoid hot afternoon sun)
  • Soil: Moist, well-draining, rich in organic matter
  • Hardiness: Zones 3-8, making it suitable for most northern climates
  • Spacing: Plant 12-18 inches apart for ground cover effect

Planting and Care Tips

Spring or fall are the best times to plant lungwort. Here’s how to set your plants up for success:

  • Amend heavy clay soil with compost to improve drainage
  • Water regularly during the first growing season to establish roots
  • Apply a 2-3 inch layer of organic mulch to retain moisture
  • Divide clumps every 3-4 years in early spring or fall
  • Cut back spent flower stems after blooming

Perfect Garden Companions

Lungwort plays well with other shade lovers and is particularly striking when planted alongside:

  • Hostas (for contrasting leaf textures)
  • Ferns (for a lush woodland feel)
  • Astilbe (for summer color continuation)
  • Heuchera (for year-round foliage interest)

Wildlife and Pollinator Benefits

One of lungwort’s greatest contributions to your garden ecosystem is its early bloom time. When bees and other pollinators emerge from winter dormancy, lungwort flowers provide a crucial source of nectar when little else is available. This makes it a valuable plant for supporting pollinator populations, even if it’s not native.

The Bottom Line

Lungwort might not be a native plant, but it’s a well-behaved garden citizen that offers unique beauty and early-season pollinator support. If you have a shady spot that needs some excitement and you don’t mind growing non-natives, lungwort could be an excellent choice. Just remember to also include native alternatives in your garden to provide the best possible habitat for local wildlife.

Whether you choose lungwort or its native cousins, the important thing is getting out there and creating beautiful, functional garden spaces that bring you joy and support the natural world around us.

Lungwort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Pulmonaria L. - lungwort

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA