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| Identification |
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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
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| Life cycle |
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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
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| Climate |
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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
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| Garden |
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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.
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| Special qualities |
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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
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| Adverse factors |
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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
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| Herbal medicine |
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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
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| Traditional uses |
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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
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| Cultivation |
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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
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| Nutrition |
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Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
It requires warm days for good production. Oenothera speciosa is considered to have originated from Western United States.
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| Herbarium |
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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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