After flowering cut plants about half way in order to encourage bushy and dense growth.1
Hardy in zones 9-7 South and 9 West.
Try to plant in a location that enjoys full sun and remember to water moderately. Blue Cascade is generally regarded as a hardy plant, so this plant will survive close to or on freezing temperatures.Rock Cress
1 https://www.whiteflowerfarm.com/aubrieta-audrey-deep-blue-shades#!growguide