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Oenothera biennis Yellow evening primrose

Previous scientific name(s): Oenothera biennis ssp. caeciarum, Oenothera biennis ssp. centralis, Oenothera biennis var. pycnocarpa, Oenothera muri

 

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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Species Attributes

Height:

12 - 60 in.

Life Form:

Biennial

Native or Introduced:

Native

Season:

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon

Elevation:

ft.

Precipitation:

Low - Moderate

Soil Texture
Coarse:

Average

Moderately Coarse:

Best

Medium:

Average

Moderately Fine:

Not Adapted

Fine:

Not Adapted

Soil pH
Acidic:

Not Adapted

Neutral:

Average

Basic:

Marginal

Seeding Rate:

1 PLS lbs/Acre

Pure Seed per Bushel:

39.00 lbs.

Seeds per Pound:

1,589,000

Germination Time:

Days

Blooming Season:

Summer

Mycorrhizal Dependent:

Yes

Bloom Color:

Yellow

lands

USDA announces $40 million available to help ranchers restore sage grouse habitat. Click here to be taken to the USDA’s webpage for more information.

Attention Private Landowners! Usda Makes Funds Available For Sage Grouse Habitat Restoration

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