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Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Oenothera grandis (Showy evening-primrose)
Bransford, W.D. and Dolphia

Oenothera grandis

Oenothera grandis (Britton) Smyth

Showy Evening-primrose, Largeflower Eveningprimrose, Showy Eveningprimrose

Onagraceae (Evening Primrose Family)

Synonym(s): Oenothera laciniata var. grandiflora, Raimannia grandis

USDA Symbol: OEGR2

USDA Native Status: L48 (N)


From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Stems erect to ascending, up to about 3 feet long.

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep


USA: AL , AR , CO , CT , FL , IL , IN , KS , LA , MD , MO , NC , NJ , NM , NY , OK , TX

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Sibley Nature Center - Midland, TX

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Webref 77 - Wildflower Search - Wildflower Identification Website (2020)

Additional resources

USDA: Find Oenothera grandis in USDA Plants
FNA: Find Oenothera grandis in the Flora of North America (if available)
Google: Search Google for Oenothera grandis


Record Modified: 2022-11-16
Research By: TWC Staff

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