Switch Grass ‘Shenandoah’Switch Grass Shenandoah (Panicum virgatum Shenandoah) is one of the most striking ornamental grasses for adding movement and rich seasonal color to the landscape. Emerging blue green in spring, the foliage quickly develops dramatic burgundy red tones that intensify through summer and fall, creating a bold vertical accent without becoming overwhelming in size. Its airy flower panicles float above the foliage late in the season, catching evening light