Interest in this genus has increased as horticulturists brought back new species and varieties from explorations in China. Epimediums make good ground covers and are one of the choice plants for shade. They prefer good loamy soil, organic enough to let the rhizomes spread readily, but will tolerate dry shade once established. A second, taller flush of leaves often follows those that emerge in spring. The leaves remain evergreen in the South, but in colder areas it's best to trim them off by late winter, well before new growth and flowers appear.