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USDA Plant Hardiness Zones

To help gardeners understand which plants will grow well for them, the entire USA has been segmented into ‘Plant Hardiness Zones’. Knowing your zone number is helpful when shopping for plants because:

  • Cold-area gardeners can avoid buying plants that simply won’t survive their lowest winter temperatures.
  • Warm-area gardeners can steer clear of plants that need a period of cold weather in order to bloom again.
Find your Plant Hardiness Zone here.

Lungwort Roy Davidson

Blue Lungwort Roy Davidson, Pulmonaria longifolia Roy Davidson, Lungwort



Regular Price: $11.98

Sale $5.99

per Bag of 1 You save: 50%
Shipping begins in late March based on ground temperatures, warmest zones first. Learn More…

This unusual, herbaceous shade-loving ground cover plant has dark green leaves uniquely spotted with silver; flowers appear in late spring, starting out pink and turning blue as they age. (Pulmonaria longifolia)

Zones 3 - 9
Deer Resistant
Deer Resistant
Light Requirements
Half Sun / Half Shade
Half Sun / Half Shade
Full Shade
Full Shade
Mature Plant Size 8-12" tall, 18-24" wide
Bloom Time Late spring
Size Bag of 1

Plant Information

Roy Davidson lungwort forms an attractive, 8" to 12" high clump that slowly spreads to form a ground cover without being aggressive and overtaking other plants. Its leaves are heavily spotted with silver and the flowers, borne in loose clusters, start out pink and fade to a pale powder blue. This variety is more tolerant of heat and humidity than other varieties as long as soil is kept moist.

Grown as much for their attractive leaves as their flowers, lungworts look best grown in masses as a shady ground cover or combined with hostas, hellebores and ferns in a shady garden. The foliage remains attractive all season as long as the soil isn't allowed to dry out. You can rejuvenate a ragged patch by cutting the stems back by half after flowers fade. The genus name Pulmonaria and common name lungwort refer to the spotted foliage, considered to resemble a diseased lung. (It was once believed that if a plant resembled a particular body part, it had the ability to cure ailments associated with it; pulmonaria was used to treat respiratory problems.)

Common Name Lungwort
Botanical Name Pulmonaria longifolia Roy Davidson
Zones 3, 4, 5, 6, 7, 8, 9
Light Requirements Half Sun / Half Shade, Full Shade
Flower Color Blue
Mature Height 8-12" tall
Estimated Mature Spread 18-24" wide
Bloom Time Late spring
Planting Depth Plant so that the top of the root is 1" below the soil line.
Ships As Bare Root
Foliage Dark green leaves with silver spots.
Planting Time Spring / Summer
Soil Type Loamy Soil, Moist/Wet Soil
Soil Moisture Average, Moist/Wet, Well Draining
Advantages Deer Resistant
Ships to Hawaii, Alaska & Canada No


Shipping begins in late March based on ground temperatures, warmest zones first.

As soon as your order is placed you will receive an order confirmation email that will include your shipping information. We ship perennials and spring-planted bulbs at the proper planting time for your hardiness zone. Perennials and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.

You will receive a second email the day your order ships telling you how it has been sent. Your order is scheduled to arrive at your door, fresh and ready to plant, usually within 3-5 days of leaving our warehouse, depending on your shipping address. We pack our plants to withstand up to 10 days in transit, in the event transit is delayed. We cannot guarantee arrival on a specific day. Please make sure to open your package upon receipt and follow the instructions included.

View Shipping Rate Chart

Reviewsby PowerReviews


by PowerReviews
American MeadowsLungwort Roy Davidson

(based on 3 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 3 customers

Displaying reviews 1-3

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(1 of 2 customers found this review helpful)


Never came up


from Chicago

About Me Avid Gardener

Verified Reviewer

Comments about American Meadows Lungwort Roy Davidson:

This plant did not grow for me.

  • Primary use:
  • Personal

(1 of 1 customers found this review helpful)


Really not okay for zone 9


from Gainesville, Fl.

Verified Reviewer

Comments about American Meadows Lungwort Roy Davidson:

I gave this three stars but am torn about that. Honestly, it really just seems this plant is NOT meant for zone 9. As spring was JUST starting and the heat hadn't hit, the leaves were just BEAUTIFUL and velvety. But the FIRST day the temps hit an intense upper 80's (may have tipped into 90), the plants were COMPLETELY shriveled to nothing (even in shade). The same thing happened last year. They keep trying to come back and just can't make it. I feel bad for them:/ But I would expect in a more mild climate they would be an absolutely beautiful addition to a shade garden.

  • Was this a gift?:
  • No

(1 of 1 customers found this review helpful)


Perfect in Deep Shade


from Rochester, NY

Verified Reviewer


  • Adjusts very quickly
  • Beautiful in shady area
  • Mature plants
  • Rich green groundcover


    Best Uses

    • Beautiful floral colors
    • Blossoms profusely
    • Damp shady area
    • Flourishes-average soil

    Comments about American Meadows Lungwort Roy Davidson:

    Lungwort Roy Davidson has distinctive, showy foliage and long-lasting beautiful flowers. Plus, it requires no special attention to establish beautifully.

    Displaying reviews 1-3

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    Q & A

    Plant With These:

    USDA Hardiness Planting Zones

    To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

    • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
    • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

    Find Your Planting Zone:

    Enter your Zip Code to find your USDA Planting Zone

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