Powis Castle Size:3/5 Gallon and fast-draining soil kept on

and fast-draining soil kept on the dry side

It blooms best with consistent but infrequent water

Excellent for slopes

With clusters of deep red trumpet flowers blooming continuously from spring through fall

Japanese Boxwood — The classic deep green boxwood for formal hedging — a refined companion to the variegated form in mixed border designs

Powis Castle Size:3/5 Gallon and fast-draining soil kept onThe Best Silver Foliage Shrub for Phoenix Desert Gardens Powis Castle Artemisia (Artemisia 'Powis Castle') is one of the most elegant silver leaved shrubs for Phoenix and Scottsdale landscapes. Its finely cut, silvery gray foliage creates a soft, billowy mound that contrasts beautifully with the bold greens and warm tones of desert plants. Growing just 23 feet tall with a 36 foot spread, Powis Castle fills mid level planting zones with texture, color