This perennial reed grass has feathery flower heads on long slender stems that blow in the breeze as an architectural plant with arching leaves and bronze feathery panicles during the summer calamagrostis x acutiflora 39karl foerster39 makes a light and airy screen to divide up gardens or to soften large walls or fences it also looks great in large borders or in minimalist gardens planted in clumps amongst gravel it is fast growing and low maintenance height 18m 4059394