QuestionsHow to growFlowersBorder Perennial FlowersPerennial to accompany calamagrostis 0 Vote Up Vote Down Barry O\’Sullivan asked 13 years ago I am looking for a perennial flowering plant that I can plant in mass that will look good against calamagrostis Karl foreseter. Have used rudbeckia in other parts of garden so do not want to use it again. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Aster ‘Little Carlow’ looks great with it or any border dahlia of strong colour, orange or wine-red.