Tufts of green or grayish blue foliage distinguish these 50 or so species of deciduous and evergreen perennials and grasses from Europe, western Asia, and North America. Flowers rise above the foliage in glistening small spikes. Grow in a border or in gravel.
Noteworthy CharacteristicsAttractive foliage and glistening flowers that wave in a breeze.
CareChoose a site in full sun with well-drained, poor to moderately fertile soil. Prefers alkaline soil.
PropagationDivide, or sow seed in a cold frame, in spring.
ProblemsRust.
