
Most lantana will only last a year in cold climates. In St. Louis, I have kept mine alive for eight years with very little help.
Note that Miss Huff appears to be a stronger and more hardy plant than Star Landing. Star Landing is a bit more colorful. These are the only two varieties that I have found which will come back in my area.
Both of these plants are hard to find locally. I got mine from https://www.plantdelights.com/
Here are some tips on growing hardy lantana.
Don’t cut back the lantana until some time in April. I usually cut them back to about six inches. Pull back any mulch at this time to let the plants warm up….Then – be patient. They take until late May to show signs of growth.
In the fall, save your leaves and mulch the lantana with a good layer of leaves to help protect the plants.
The plants against my basement always come back. Lantana appreciates the extra soil heat.
The eight plants at Whitecliff Park also came back this year without any extra help. They do however have great southern soil exposure.
Last year I potted one up and put it in my unheated garage. It made it through the Winter and bloomed well all summer.