Artemisia is a sun loving plant that requires well-drained soil. Most of the varieties have attractive silvery-green foliage.
'Powis Castle' is a bushy plant with silvery fern-like foliage and it will grow around 2-3' tall and wide.
'Silver Brocade' this low growing variety resembles dusty miller and makes a great ground cover. It will get 6-12" tall and spread up to 3'.
'Silver Mound' has soft feathery silver foliage that creates a compact mound reaching 8-10" tall and 10-15" wide.