In article ,
Jason Pope wrote:

The best thing to do is cut it back hard in late autumn after it's
finished flowering/fruiting that way the nutrients go back to the roots

Er, no. The treatment is fine; the explanation isn't. Deciduous
and herbaceous plants have mechanisms to recover nutrients from
leaves and shoots; evergreen ones (especially tropical ones) don't,
or not much. And there is no way that nutrients can get back to
the roots from foliage that has been pruned off!


Regards,
Nick Maclaren.