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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.

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Species Attributes

Height:

10 - 20 in.

Life Form:

Perennial

Native or Introduced:

Native

Season:

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon

Elevation:

ft.

Precipitation:

Low

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:

1 PLS lbs/Acre

Pure Seed per Bushel:

46.10 lbs

Seeds per Pound:

2,500,000

Germination Time:

Days

Blooming Season:

Spring Summer

Mycorrhizal Dependent:

Yes

Bloom Color:

White & Pink

lands

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