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 Butterfly Weed (Asclepias tuberosa) Plant type Flower Flower color Orange Flower season Late Spring to Summer Plant size 18"H x 18" W Hardiness -30 degrees Light preference Full sun Winterizing instructions In early-spring cut old stems just above ground Additional comments Remove seed pods to prevent re-seeding Pollinator attractor Tag number in xeriscape garden 9