‘Powis Castle’ is a selection of this gray-leaved shrub that has finely divided leaves. An invaluable foliage plant, ‘Powis Castle’ is unique in carrying multi-branched stems of silver filigree foliage, which acts as a superb foil to medium-sized flowering perennials such as pinks or scabiosa. This plant’s silvery, lacy foliage is an outstanding accent plant in the flower garden, it is an ideal complement to blue and purple flowering plants, and a useful buffer between flowering plants of non-compatible colors. Forms dense rounded mounds, and tolerates hot, humid weather better than most artemisias. Well-drained soil is essential for winter survival in colder climates. This artemisia benefits from periodic shearing to keep stems full and dense. Foliage stays on in the winter garden; cut back hard in early spring when new growth appears along the stems. Considered deer-resistant once mature.
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