Oenothera caespitosa      
White primrose    
Onagraceae Family     

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


Form: low-mounding clump
Seasonality: perennial, evergreen in warm climates, may be deciduous in cold regions
Size: 1-2ft high spreading to 2ft wide; moderate growth rate Leaves: green, narrow, lance-shaped, scalloped margin, hairy, to 6in long by 1in wide;
Flowers: white night-blooming flowers; solitary on thin stem, 4in across; open for one night only, turning pink as they fade; heaviest bloom in spring and early summer
White primrose
Oenothera caespitosa
Fruit: seed capsule, 1in long
Stems/Trunks: none; leaves grow from central rosette
Range/Origin: western US
Hardiness: may freeze to ground but re-growth is rapid


Research by Master Gardener Toni Moore


best planted where it can be seen in evenings or early mornings, since the flowers are nocturnal

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

Web page design and photographs by Toni Moore, Master Gardener
email to: tmoore1@flash.net

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