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Pink Evening Primrose

Oenothera speciosa

Other common name(s):

Showy Evening Primrose, Mexican Evening Primrose, Showy Primrose, Pink Ladies, Buttercups, Pink Buttercups

Family:

Onagraceae (Evening Primrose Family)

Plant Ecoregion Distribution Map

Central Great Plains, Chihuahuan Deserts, Cross Timbers, East Central Texas Plains, Edwards Plateau, Gulf Coast Prairies and Marshes, Southern Texas Plains, Southwestern Tablelands, Texas Blackland Prairies, Western Gulf Coastal Plain
Limestone Plains, Red Prairie
Chihuahuan Basins and Playas, Chihuahuan Desert Grasslands, Chihuahuan Montane Woodlands, Low Mountains and Bajadas
Grand Prairie, Limestone Cut Plain
Bastrop Lost Pines, Floodplains and Low Terraces2, Northern Post Oak Savanna, Northern Prairie Outliers, San Antonio Prairie, Southern Post Oak Savanna
Balcones Canyonlands, Llano Uplift, Semiarid Edwards Plateau
Coastal Sand Plain, Floodplains and Low Terraces4, Laguna Madre Barrier Island and Coastal Marshes, Lower Rio Grande Alluvial Floodplain, Lower Rio Grande Valley, Mid-Coast Barrier Islands and Coastal Marshes, Northern Humid Gulf Coastal Prairies, Southern Subhumid Gulf Coastal Prairies, Texas-Louisiana Coastal Marshes
Northern Nueces Alluvial Plains, Rio Grande Floodplain and Terraces, Semiarid Edwards Bajada, Texas-Tamaulipan Thornscrub
Caprock Canyons Badlands Breaks, Flat Tablelands and Valleys
Floodplains and Low Terraces1, Northern Blackland Prairie, Southern Blackland Prairie
Flatwoods, Southern Tertiary Uplands

Plant Characteristics

Growth Form

Herbaceous

Height

1
to
3
ft.

Spread

1
to
1.5
ft.

Leaf Retention

Deciduous

Lifespan

Perennial

Habitat and Care Requirements

Soil Type(s)

Sand, Loam, Clay, Moist, Dry

Light Requirement

Sun

Water Requirement

Low, Medium

Native Habitat

Grassland

Bloom and Attraction

Bloom Color

Pink

Bloom Season

Spring, Summer

Seasonal Interest

Seeds, Nectar

Wildlife Benefit

Birds, Small Mammals, Nectar Insects

Maintenance

Widespread throughout Texas. Give lots of room to spread. Pink Evening Primrose is drought tolerant. Although, it will often go dormant in hot, dry weather and revives during rainy seasons, depending on the region it is grown. Propagation: Seed, Root division, Cuttings.

Comments

Blooms February-October. Pink Evening Primrose is an upright to sprawling perennial, which spreads to form extensive colonies. The large, four-petaled flowers range in color from dark pink to white. Each flower only lasts a day.
Previous Scientific Name(s): Synonym(s): Hartmannia speciosa, Oenothera delessertiana, Oenothera speciosa var. childsii

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=OESP2. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Oenothera+speciosa&formsubmit=Search+Terms. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=15793&locationType=County&mapType=Normal. 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=27415#null

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Native Plant Society of Texas
PO Box 3017
Fredericksburg, TX 78624

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