Purple Fountain Grass
Pennisetum setaceum 'Rubrum'
Size: 3'.    
Light requirement: full sun to part shade.
Flowering - time/color: summer thru fall/purple.
Foliage - spring/summer: red-purple.
Foliage - fall/winter:  
Attributes: neat clumps of arching red-purple blades.
Liabilities: annual in the midwest states.