Onagraceae
Oenothera pallida subsp. pallida
Oenothera pallida subsp. pallida
Also known as Oenothera pallida var. idahoensis
Flowering Plants · Native Plants · Evening Primrose · White Flowers · Night Blooming · Pollinator · Western Native · Perennial · Wildflower · Rock Garden · Onagraceae
Pale evening primrose thrives in well-drained soils in full sun to part shade and is well suited to rock gardens and dry borders in western North America. Water regularly during establishment, then reduce frequency as the plant is relatively drought-adaptable once settled. It produces delicate white flowers that open in the evening, attracting moths and other pollinators.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately; allow soil to dry slightly between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 6–8
- Temperature
- -25°F to 100°F
- Cycle
- Perennial
Hardiness
USDA 4b-10b
Form & growth
Mature size and habit
- Mature height
- 6 in – 18 in
- Spread
- 18 in
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, British Columbia, Colorado, Idaho, Mexico Northeast, Mexico Northwest, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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