Roy Davidson Lungwort
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'Roy Davidson' Lungwort is an unusual, shade-loving ground cover with silver-spotted, dark green leaves and delicate tubular blooms. Flowers appear in late spring, starting out pink and turning blue as they age. A great choice for hot, humid areas. (Pulmonaria longifolia)
|Zones||3 - 8|
|Mature Plant Size||8-12" tall , 18-24" wide|
|Bloom Time||Early to late spring|
|Size||Bag of 1|
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).