Star Wars Quix...f A O Mozz....
Film, Media & TV39 mins ago
No best answer has yet been selected by stevie-p. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Don't know which part of the country you live in but if you suffer from severe cold and frosts I'd be tempted to leave the brown stems until fresh shoots come through to protect against harsh weather.
The other way of protecting them is to cut the stems hard back in autumn, put a large plastic pot over them and anchor with a stick through the holes in the base of the flowerpot to prevent it blowing off in heavy winds.