No they aren't. They are different species of what we call tender succulents. They are not frost hardy, so have to be brought indoors for the winter. Very easy to care for in a bright window for winter time.
Aloes, Echeveria, Graptopetalum, Kalanchoe, Crassula, Euphorbia, Portulacaria afra.
Each of the genus listed here have at least one specie/cultivar represented, most two or more. The selection is a thing of beauty.
