Oenothera lamarckiana

Oenothera lamarckiana

Evening primrose

Previous scientific name(s): Oenothera erythrosepala

Low to moderate water requirements. Annual with large showy yellow flowers, which open in early evening, blooms during summer. Naturalized throughout North America on light soils.

Varieties: 

Species Attributes

Height: 
36 
- 60 
in.
Life Form: 
Annual
Native or Introduced: 
Introduced
Precipitation: 
Low - Moderate
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Marginal
Moderately Coarse: 
Best
Medium: 
Best
Moderately Fine: 
Average
Fine: 
Marginal

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
- 2 
PLS lbs/Acre
Pure Seed per Bushel: 
30.70 lbs.
Seeds per Pound: 
864,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Yellow
Blooming Season: 
Summer