(click on image to enlarge)
After about four or five weeks, check the bottom of each pot to see if any roots are visible, through the drainage holes. Root development can also be checked by gently pulling on the cutting. Resistance indicates the presence of roots. If there are no apparent signs of roots, then place pots back in the propagator and check weekly.
After 2 years the cutting should like this
(click on image to enlarge)