Joan from Effingham writes
Monterey Florel Brand Growth Regulator can be used on lantana. Per the product label: A foliar spray with Florel in conjunction with hand pinching will increase the number of lateral branches on many ornamental species. In many species, this product can replace hand pinching. Plants being treated with this product will not initiate or develop flowers. Florel inhibits internode elongation which maintains plants in a compact form. This article suggests that pinching is required on lantanas. This article from UFL on size control also has details about using PGRs on lantanas.
Answer last updated on: 01/16/2019