Nemesia prefers to be grown in well-drained soil in full sun but the blooms last much longer in hot climates when the plant is grown in an area of afternoon shade. ... The good news, though, is that while Nemesia doesn't need to be pruned, trimming back Nemesia will likely gain you a second bloom.

Do Nemesia come back every year?

As it's a perennial it will die off in the winter but with very little care and attention will come back even stronger next year. So if you are looking for something that is beautiful to look at, wonderfully scented, easy to maintain and has a very long flowering period you really can't choose any better than Nemesia!

Can Nemesia survive winter?

Perennial nemesias can be kept over winter for a year or two by bringing plants into a frost-free place that's not too warm, such as a heated greenhouse, porch, conservatory, or windowsill in a cool room. Water very sparingly over winter as they're susceptible to rotting.