'Powis Castle' Artemisia (Wormwood)

Artemisia ‘Powis Castle’ is a shrub-like herbaceous perennial. It is noted for its finely textured, silver-gray, aromatic foliage that grows in upright, spreading mounds. In milder climates, foliage remains in leaf year-round. This easily grown plant makes an attractive ground cover for borders, beds, rock gardens, xeriscapes, and urban locations. Its fern-like leaves add color and texture to a landscape to accentuate perennial flowers or ornamental grasses. Care Zones 6-9. It requires full sun, well-drained soil, and tolerates drought. Plants are prone to rot if conditions are too wet and foliage may also decline during hot, humid summers. Growth Habit This plant rarely blooms, but inconspicuous flowers sometimes appear in late summer. Growth spreads by rhizomes. Individual mounds are about 2 feet wide, but unrestrained rhizome growth can spread mounds to widths of 6 feet.