Oenothera biennis (Yellow evening primrose)

Low to moderate moisture requirement; full sunlight. Biennial, with fragrant yellow flowers, blooms July and August in open woods, fields, and disturbed areas. Valuable for erosion control.

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INFORMATION & ATTRIBUTES

Family: Onagraceae

Duration: Biennial

Growth Habit: Forb/herb

Native Status: Native

Growth Form: Single crown

Mature Height: 12-40 in.

Bloom Color: Yellow

Bloom Period: Late spring

Annual Precipitation: 20-55 in.

Drought Tolerance: Medium

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status: FACU

Fire Resistance: No

Fire Tolerance: Low

Nitrogen fixation: None

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance: None

CaCO3 Tolerance: Medium

pH Range: 5.0-7.0


SEEDING NOTES

Seeds per Pound: 1,376,000

Seeding Rate: 1 PLS lbs/acre

Season:

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

None