Does Heather Grow Back Every Year?
Does Heather Grow Back Every Year? Only gardeners in frost-free areas can count on Mexican heather (Cuphea hyssopifolia) to come back year after year. The plant, native to Mexico and Guatemala, needs the heat of U.S. Department of Agriculture plant hardiness zones 9 through 11 to thrive. Is heather an annual or perennial? In USDA