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 Sea urchin blue fescue (Festuca glauca "Sea Urchin") Plant type Ornamental grass Flower color Gray-blue Flower season Late summer Plant size 8" H x 12" W Hardiness Zone 4-8 Light preference Full sun Winterizing instructions Shear off the seed heads after it finishes blooming in late summer. Additional comments Clumps tend to die out in the center and need to be divided and replanted or replaced every 2-3 years. Cut back foliage in early spring to 3-4" to tidy clumps and to facilitate emergence of the new leaf blades. Tag number in xeriscape garden G-7