Pulmonaria longifolia 'Roy Davidson'
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Pulmonaria longifolia 'Roy Davidson'

blue lungwort

  family boraginaceae 
  genus pulmonaria 

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Genus  Pulmonaria Species  longifolia Variety  Cultivar  Roy Davidson Common names  blue lungwort Family  BORAGINACEAE Specimen number  S11648 Data source  HtZn p159
Life cycle
Life form  Terrestrial Life cycle  Perennial Life span  3 - 10 years Annual cycle  Not applicable Stature  Flower Growth form  Not applicable Growth habit  Various Overall height  6" - 1' 6" Overall spread   
Sunshine  Partial to full shade Water  Moist, well drained Optimal soil texture  Various Acceptable soil pH  Neutral USDA hardiness  USDA zones 04a-08b AHS heat zones  Heat zones 08-04 Sunset climate zones  Not classified
Suitable for gardens  yes Nursery  Unknown Compost  no Size at acquisition  Unknown Garden location  Unknown Garden notes  Pulmonaria longifolia 'Roy Davidson' can survive very cold winters with annual averages as low as -30� Fahrenheit. It needs a bit of a cold spell with temperatures below 15� Fahrenheit to do its best. Blue lungwort needs summer days with high heat. Partial to full shade is needed for this plant to do its best. It usually does best in moist, well drained soils.
Special qualities
Tolerates drought  no Tolerates high humidity  no Tolerates seaside conditions  no Insect resistant  no Disease resistant  no Deer resistant  no Best uses    Symbiosis  Attracts butterflies  no Attracts hummingbirds  no Autumn foliage  no Colorful berries  no Desirable qualities    Other interest    Other interest color  Other interest period   
Adverse factors
Common pests  Poisonous parts  Poisonous indications  Internal poison  no Dermatologic poison  no Livestock poison  no Mechanical injury  no Hay fever pollen    Hay fever season    Adverse qualities   
Herbal medicine
Medicinal properties  Medicinal parts  Has medicinal uses  no Do not self-administer  no Do no use if pregnant  no Legally restricted  no Toxicity precautions  Medicinal notes 
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  Fragrance parts  Fragrance intensity    Fragrance category    Dye parts  Dye color 
Propagule  Division Pollination method    Planting style    Crop spacing    Row spacing    Cold frame  Planting period    Harvesting period    Frost tolerance    Heat requirement    Fertilizer  Typical Time to harvest 
Is edible  no Culinary uses  Nutritional value  Edible parts  Description of edible parts Flavor / texture 
Horticulture notes  Pulmonaria longifolia 'Roy Davidson' is typically propagated by division.
Tag needs printing  no Collection notes  Pulmonaria longifolia 'Roy Davidson' is a perennial. Leaves: Blue lungwort has variegated leaves. This plant has arrow shaped leaves forming mounds. Flowers: This species has bell shaped flowers. Blossoms appear in March and continue through May. The blossoms are most often a blue color.

Page 3914 of 4998

Last reviewed November 01, 2004   


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