Buy gel form rooting hormones it works better than the powder form,cut 45 degree angle 3-4 nodes from the top of the chosen branch,scrape some of the "skin" around the cut exposing more area for roots to grow,apply rooting hormones,place in your medium of choice,mine being rockwool(for rockwool I soak cubes in water with 5.5 ph),jiffy pellets work well according to other people,mist,keep covered with humidity dome,100% humidity is vital for the first days,having a heat pad under them also helps considerably.Mist 1-2 x's daily,start to take dome off after 3-5 days, everyday,more and more frequently till it is completely off.I have 100% succes rate.There are other simpler methods but this works for me,all the time.