Rock garden plants Oenothera  speciosa Nutt.   
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FamilyONAGRACEAE
Genus species var.Oenothera  speciosa Nutt. 
SynonymsHartmannia speciosa (Nutt.) Small
 Oenothera delessertiana Steud.
 Oenothera speciosa var. childsii (L.H.Bailey) Munz
Territory NORTHERN AMERICA
american prairie
Description leaves oblanceolate to obovate, stem leaves oblong, lower leaves pinnatisect, upper leaves subentire, flowers axillary, in bud pendant, petals 25-40mm long
Size10-50cm
Colorpinkish, white
Bloomsummer
Ca
Typesubshrub
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
division in spring and fall
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