Can I trim a mature Lantana plant that is getting too high without doing damage?
Trimming a Lantana Plant
Certified GKH Gardening Expert
Yes, and it is recommended to do this in spring, although it is likely to survive at any time as long as it isn't overly hot or dry. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/flowers/lantana/lantana-pruning.htm