
trefle.io · Taken Jun 12, 2019 by mohammad Ansarian (cc-by-sa)
Onagraceae
Hooker's evening primrose
Oenothera elata
Also known as Onagra elata, Evening primrose, Yellow evening primrose, Common evening primrose
Flowering Plants · Native Plants · Evening Primrose · Night Blooming · Yellow Flowers · Pollinator · Moth Plant · Onagraceae · Native · Wildflower · Hummingbird Garden
Hooker's evening primrose produces large, showy yellow flowers that open in the evening, attracting moths and hummingbirds. It grows best in full sun to partial shade with regular watering during the growing season and tolerates a range of soil types. Deadhead spent blooms to encourage continued flowering and prevent excessive self-seeding.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply until soil is evenly moist; allow the top 2 inches to dry between waterings · Every 5-7 days
- Maintenance
- Moderate
- Soil
- sandy loam
- Soil pH
- 5.5–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, California, Colorado, Costa Rica, El Salvador, Guatemala, Idaho, Kansas, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, Nevada, New Mexico, Northwest European R, Oklahoma, Oregon, Panamá, Texas
- Attracts
- Bees, Butterflies, Hummingbirds, Moths
Sources: trefle, usda
More Oenothera
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Oenothera cespitosa subsp. cespitosa
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