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 Michaelmas Daisy (Aster 'Celeste') Plant type Flower Flower color Soft pink-purple Flower season Spring to Summer Plant size 1½' H x 2½' W Hardiness -10 degrees Light preference Full sun Winterizing instructions Cut to ground before winter, clean up debris. Divide clumps every 2 to 3. Additional comments Fast-growing, long bloom season, attracts butterflies and bees. Tall-growing forms can be pinched back before mid-July to reduce height and need for staking, usually producing more flowers. They prefer well drained soil. Tag number in xeriscape garden 5