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 Joe Pye weed (Eupatorium spp.) Plant type Flower Flower color Pink-purple Flower season Summer Plant size 5' H x 2' W Hardiness -20 degrees Light preference Full sun Winterizing instructions Trim stems in fall to about 6" Additional comments Tag number in xeriscape garden 30