Yellow Evening Primrose
Oenothera flava (A. Nelson) Garrett
Evening Primrose family
Plant Type
Forb/herb
Life Cycle
Perennial
Mature Height
30 inches
Spread
3.0 feet
Flower Color
Yellow
Bloom Time
Mid Spring
Growing Conditions
Light
Shade Tolerance
Intermediate
Water
Water Use
Medium
Drought Tolerance
Low
Flood Tolerance
Low
Soil
Soil Types
Loam, Sand
CaCO3 Tolerance
Low
Fertility Need
Low
Stress Tolerance
Fire Tolerance
High
Salt Tolerance
None
Climate
pH Range
6.0 – 7.8
Frost-Free Days
100 days
Precipitation
10 – 18 in
Ecosystem & Wildlife
Pollinators
Native Bees; Moths; Butterflies
Fall Color
No
Evergreen
No
Native Range
- CAN: Alberta, Manitoba, Saskatchewan
- USA: Arizona, California, Colorado, Idaho, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming
- MEX: Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest
Regional Native Status: L48 (N), CAN (N)
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.