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Oenothera berlandieri     
Mexican evening primrose   
Onagracea Family     

Compiled by the Master Gardeners
of the University of Arizona Pima County Cooperative Extension.


Form: low growing herbaceous perennial; spreads by rhizomes
Seasonality: evergreen
Size: 8-12in tall, spread to 3ft or more; spreads aggressively unless contained by barriers
Leaves: simple, alternate, obovate, 1-3in long, 1/2in wide, bright green; foliage may go yellow or green in winter, especially lower leaves
Flowers: usually pink, bell-shaped, sometimes white, 1.5in across; long blooming period begins in spring and lasts through until first frost
Fruit: seed
pink flower
Oenothera berlandieri flower
Stems/Trunks: n/a
Range/Origin: Texas, southern New Mexico and Mexico
Hardiness: freezes to ground in low teens, regrows in spring



Mexican evening primrose
Oenothera berlandieri

great for informal masses of color

Notorious for being difficult to remove. Even resists applications of Roundup® because any surviving rhizome bits will re-generate the entire colony

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This page was first created August 24, 2001 and last modified March 14, 2006.

Web page design and photographs by Toni Moore, Master Gardener
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