You can grow licorice plants (Helichrysum petiolare) as perennials in zones 9, 10 and 11....
Picture of licorice plants, or "trailing dusty miller."
David Beaulieu
But further north than that, these viny, silver-leafed plants are treated as annuals. For this reason, it's common to see licorice plants used in containers. Licorice plant is also called "trailing dusty miller."