Lantana’s pretty, but it is a noxious weed- a very big problem in Australia, it would certainly get a LOT of weird looks here for that reason. Nandina is lovely.
Other suggestions:
Delphinium, Anthurium, Amaranthus, Alstroemeria, Eremurus, Gerbera, Heliconia, Hydrangea, Larkspur, Liatris, Limonium, Lisianthus, Poinsettia, Statice, Stephanotis, Viburnum, Sunflower, Foxglove, Malva, Acanthus, Ajuga, Allium, Alyssum, Anagellis, Monelli, Angelonia, Baptisia, Monarda, Bessera, Bromeliad, Calamintha, Camassia, Camomile, Canna, Cercis, Catalpa, Celosia, Columbiana, Cleome, Lutea, Dianthus, Echinacea, Myosotis, Gazania, Geum, Lenten, Heliotrope, Hibiscus, Hosta, Alcea, Hollyhock, Vine, Leonotis, Lunaria, Liriope, Lupine, Mahonia, Caltha, Moonflower, Nicandra, Oleander, Penta, Starflower, Vinca, Periwinkle, Phlox, Ruellia, Salvia, Senecio, Snowflake, Strelitzia, Tiarella, Cordifolia, Tillandsia, Valerian.