Calamagrostis (pronounced cala-m-a-grostis) are some of the most popular ornamental grasses. These clump-forming plants offer narrow, flattened leaves that produce upright flower stalks in the summer. The are often called reed grass. They care-free growers. All our Calamagrostis grass plants for sale are shipped with very well-established root systems. We guarantee them to arrive alive and thriving.