Do nemesia come back every year?
Score: 4.7/5 (72 votes) Nemesia can be grown in USDA zones 9-10 as perennials and as tender annuals in other zones. It is an easy plant to grow and comes in a variety of colors and bi-colors. ... The good news, though, is that while Nemesia doesn't need to be pruned, trimming back Nemesia will ...