Blue Rye Ornamental Grass Pack | Low-water NativeCalifornia Wild Blue Rye Leymus condensatus 'Cayon prince' This amazing California native grass grows glow y blue even in tight containers or shallow root spaces. Takes part shade and neglect happily. Looks freshest with a winter trim. Watering necessary in Southern California. Native to coastal dunes of California. Running. to 2 3' high with stiff oat like bloom stalks in fall.