A new cultivar of hybrid Heuchera named `Encore`, characterized by its leaves that are rose-purple in color with a silvery overlay and dark rose-purple veins with a lower leaf surface that is a vibrant red-purple in color. `Encore` can be further characterized by its compact and mounded plant habit, its tolerance to heat and humidity and its hardiness at least in U.S.D.A Zones 4 to 9.