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Oenothera, Showy Evening Primrose, Showy Pink Primrose 'Twilight'

Oenotheraspeciosa

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Oenothera speciosa by henryr10
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Family
Onagraceae (on-uh-GRAY-see-ee)
Info
Genus
Oenothera (ee-no-THEE-ruh)
Info
Species
speciosa (spee-see-OH-suh)
Info
Synonym
Hartmannia speciosa
Xylopleurum speciosum
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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

Unknown - Tell us

Bloom Color
Pale Pink
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Groundcovers
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Burgundy/Maroon
Orange/Apricot
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Patented
Propagation Methods
By dividing the rootball
Direct sow as soon as the ground can be worked
Seed Collecting

Unknown - Tell us

Regional

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

Cincinnati, Ohio

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altoclef
Los Altos, CA | April 2009 | negative

I live in the Bay Area of California. Every year for the last 5 or so, I have purchased a gallon oenothera speciosa and planted it in d...Read More

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