Giant Grass (Liriope gigantea)
 
1 1/2 - 3' tall, 1-2' wide
 

Border your beds with this graceful, grass-like perennial. It develops arching, fountain-like clumps, perfect for evergreen edging and as accents in large containers of annuals or perennials. Small white flowers bloom on spikes amid the foliage, followed by metallic blue fruit. Variegated form offers bright colors and violet-blue flowers in summer. Plants naturalize easily.