Oenothera speciosa
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Oenothera speciosa

showy evening-primrose

  family onagraceae 
  genus oenothera 

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Genus  Oenothera Species  speciosa Variety  Cultivar  Common names  showy evening-primrose Family  ONAGRACEAE Specimen number  S11269 Data source  HtZn p147;Frgnt p302;Frgnt p198;Xeri p286;Xeri p280
Life cycle
Life form  Terrestrial Life cycle  Annual Life span  1 year Annual cycle  Not applicable Stature  Various Growth form  Not applicable Growth habit  Prostrate Overall height  1' - 2' Overall spread   
Sunshine  Various Water  Moist Optimal soil texture  Various Acceptable soil pH  Neutral USDA hardiness  USDA zones 05a-10b AHS heat zones  Heat zones 12-01 Sunset climate zones  Not classified
Suitable for gardens  yes Nursery  Unknown Compost  no Size at acquisition  Unknown Garden location  Unknown Garden notes  The flowers of Oenothera speciosa have a faint sweet fragrance. Showy evening primrose can survive cold winters where the average annual low is -20� Fahrenheit. This plant needs summer days with high heat. It does well in moist 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  light aroma. sweet scented Fragrance parts  Flowers Fragrance intensity  Faint Fragrance category  Faintly sweet Dye parts  Dye color 
Propagule  Various Pollination method    Planting style    Crop spacing    Row spacing    Cold frame  Planting period    Harvesting period    Frost tolerance    Heat requirement  Warm Fertilizer  Typical Time to harvest 
Is edible  no Culinary uses  Nutritional value  Edible parts  Description of edible parts Flavor / texture 
Horticulture notes  It requires warm days for good production. Oenothera speciosa is considered to have originated from Western United States.
Tag needs printing  no Collection notes  Oenothera speciosa has an annual life cycle. Flowers: Showy evening primrose has four petaled, cup shaped flowers that bloom each night. The flowers are usually either white or pink, with an accent in pink.

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Last reviewed November 01, 2004   


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