What's in Bloom?

‘Dallas Blues’

08/01/2013 - 09/30/2013

Memphis Botanic Garden map


 ‘Dallas Blues’

Botanical Name:  Panicum Virigatum ‘Dallas Blues’ Switchgrass (Poaceae)  

Attributes   Dallas Blues’ swichgrass was selected by Ken and Linda Smith of Change of Scenery Nursery in Columbus, OH.  Panicum Virgatum commonly called switchgrass has become popular not only as an ornamental grass but, also as a biofuel source.  This native grass was abundant in the tallgrass prairies of the interior United States.  ‘Dallas Blues’ is an outstanding selection of the native switchgrass and is hardy in USDA zones 2-9.  ‘Dallas Blues’ has powder-blue ¾” wide flat bladed foliage and has huge (2 feet or more) flower heads that are pinkish purple in color and will persist well into winter.  

Growing Tips   ‘Dallas Blues’ switchgrass will grow in a variety of soils in full sun.  It is very drought tolerant once it is established and spreads by rhizomes.  It is best propagated by division in spring.  

 Landscape Value   ‘Dallas Blue’ switchgrass can be used as a specimen or placed in clumps of 3 or more.  It can also be used as a vertical accent as shown in the picture.  ‘Dallas Blues’ switchgrass is great fall combination with rudbeckia and eupatorium.  

Dallas Blue switchgrass can be found at the House of Rock on Playhouse Lane in the Children’s Garden at Memphis Botanic Garden.  

Kyle McLane is a horticulturalist with the Memphis Botanic Garden.    


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