Posted: 23/09/2016 at 13:12
Not sure which you have, but why not take some cuttings.
Found this -
The RHS Propagation guide suggests taking a 4" heel cutting in summer.
Find a healthy sideshoot and carefully tear it away from the parent
plant so that it comes away with a sliver of bark - this is the 'heel'
of the cutting. Using a clean, sharp knife, trim the heel so that just
a short spur remains. This heel contains the growth hormones which
encourage rooting. Use a standard cuttings compost, and provide a humid
atmosphere (a clear plastic bag secured over the pot will do) to reduce
stress on the cutting. It is also important to shade the pot from