Oenothera caespitosa      
White primrose    
Onagraceae Family     


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

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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

LANDSCAPE VALUE:

CULTURAL REQUIREMENTS:
Research by Master Gardener Toni Moore


NOTES:

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
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