Homes Businesses Industrial Water Conservation Energy Independence Act Power Hour Pay-It-Forward Home / Rebates / Water Conservation / Xeriscape / Xeriscape Plants / Xeriscape Plants Plants listed here are found in the Riverfront Park Demonstration Garden along the Apple Capital Loop Trail in Wenatchee. Numbers refer to plant identification markers in the garden. Click on photos to enlarge and for more plant details. Back Giant flowered purple sage (Salvia pachyphylla) Plant type Flower Flower color Purple Flower season Summer Plant size 3' H x 30" W Hardiness -20 degrees Light preference Full sun Winterizing instructions Prune back and shape in the fall after the flowers are finished Additional comments Fragrant leaves; native to California Tag number in xeriscape garden 43