So come rain or shine, it is advisable to protect new growth.
The Sun (2012)
This also tidies them up and makes room for new growth.
Times, Sunday Times (2007)
These are pruned in the spring because if you prune them in winter after flowering, the new growth can be damaged by frosts.
The Sun (2007)
This should foster new growth and flowers.
The Sun (2007)
In late winter/ early spring next year tidy up by cutting off any old stems at ground level to reveal new growth.
Times, Sunday Times (2014)