07/02/2013 11:58 EDT | Updated 09/01/2013 05:12 EDT


Take a look at new shoots growing on a favourite shrub or vine and you'll see that the bases of these shoots may be beginning to toughen up, their once soft, green outer layer turning brown and woody.

Such shoots, snipped from the mother plants as so-called half-woody cuttings, can be rooted to make new plants.