Pulmonaria Species, Bethlehem Sage, Christmas Cowslip, Red Lungwort

Pulmonariarubra

Genus
Pulmonaria (pul-muh-NARE-ee-ah)
Species
rubra (ROO-bruh)
Synonym
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Grown for foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
Red
Coral/Apricot
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Minneapolis, Minnesota

Lexington, Virginia

Featured Videos

Gardener's Notes:

0
positive
2
neutrals
0
negative
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M
Coon Rapids, MN (Zone 4a) | March 2006 | neutral

This is one of the most aggressive Lungwort, capable of covering large areas with its green foliage. Blooms tend to be red, maybe a bit p...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2001 | neutral

P. rubra is a bit different from other pulmonarias. The foliage is typically not spotted, although some varieties do sport variegated fo...Read More

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