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Keeping this in view, do Lantana come back every year?
Lantana plants are moderately winter hardy. Some people have lantana that are perennial in nature and come back every year, while others replant every season. Lantana plants will die to the ground usually following a killing frost. At that point you can cut off the old foliage and mulch them for the winter.
Regarding this, is a Lantana an annual or perennial?
Lantana is a perennial in U.S. Department of Agriculture plant hardiness zones 8 through 11. In cooler areas, you can treat it as an annual.
Fertilize perennial lantana once a year in spring after pruning. Apply a balanced, slow-release fertilizer, such as a 10-10-10 blend, at the rate advised on the package. Sprinkle the fertilizer on the soil, six inches from the base of the plant, then water thoroughly so the nutrients dissolve into the soil.