I have to say that I didn't like this plant for a while, but it has grown on me--although not literally. I have seen it used by the greats like Piet Oudolf, Michael Van Vaulkenburg, and others, but was always suspect because it looked a bit like seaweed--so ew, as my teenage daughter would say. But what I realized is that it has a gorgeous rich bonze color, and also comes in shades of green, does well in semi-shade and is a great ground cover. IT has small delicate spike white flowers that look like bells, recalling its common name. I have it in my window box with Aster, Calamint, Carex, Alternanthera, and Pieris and it is a spectacular combination if I do say so. Also look great with Hostas, Digitalis, or Astrantia.
Conditions: likes moist well-drained soil, semi-shade light