Artemisia ‘Powis Castle’ Plant Data Family Name: Asteraceae Common Name: Powis Castle artemisia Other Name(s): Artemisia Other Name(s): 'Powis Castle' Hardiness Zones: Zone 6: (-23 to -18 C) Plant Code: arpo Flowering Time: Jul, Aug, Flowering Color: Yellow, Brown, Leaf Form: Compound, Leaf Arrangement: Alternate, Leaf Shape: Ovate, PlantSomething BC Wholesale Listings No members have selected this plant.