Oenothera Species, Large-Flowered Evening Primrose, Red-Sepaled Evening-Primrose

Oenotheraglazioviana

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Oenothera (ee-no-THEE-ruh)
Species
glazioviana (gla-zee-oh-vee-AY-nuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Bright Yellow
Bloom Time
Other Details
Category
Biennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Regional

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

Manhattan Beach, California

Dracut, Massachusetts

Herndon, Virginia

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Gardener's Notes:

1
positive
0
neutral
0
negative
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(Zone 10a) | June 2003 | positive

We love these Evening Primroses. They are established as a roadside weed and I collected some seed some years back. They grew well, as a ...Read More

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