Oenothera speciosa

Oenothera speciosa

Showy evening primrose

Previous scientific name(s): Hartmannia speciosa, Oenothera delessertiana, Oenothera speciosa var. childsii

Low water requirement; full sun. A hardy drought resistant perennial plant found in open plains, grasslands, or roadsides. Produces white blossoms with pinkish lines from May to July. Can be found thriving in large colonies.

Varieties: 

Species Attributes

Height: 
10 
- 20 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Low
Sun & Shade Tolerance: 
Full Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Marginal
Moderately Coarse: 
Best
Medium: 
Best
Moderately Fine: 
Marginal
Fine: 
Not Adapted

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
PLS lbs/Acre
Pure Seed per Bushel: 
46.10 lbs.
Seeds per Pound: 
2,500,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
White & Pink
Blooming Season: 
Spring
Summer