Liriope muscari 'Royal Purple' has ½" wide, green leaf blades. Blooms with full, deep purple flower spikes mid-Summer. Royal Purple Liriope stays in clump form. It does not spread by rhizomes. Perfect for borders, edging and mixed beds. Also used for erosion control on banks, slopes, large bed plantings and in woodland gardens. Mature height 12"-15, spread 12"-18"