Q.Overwintering tree lantanas
How do I prepare my tree lantanas for winter
You can bring your Lantana indoors if your temperatures will fall below 55 degrees F.
Keep the plant in a cool and bright location.
Leaves will fall from the plant as it enters a dormancy, clean up all the leaves as these can be toxic to pets and children.
Water regularly but sparingly.
Watch for signs of pests over the winter period.
Repot the plant if needed while dormant.
Return the Lantana outdoors when temperatures warm in the spring.
https://www.gardeningknowhow.com/ornamental/flowers/lantana/lantana-plants.htm