How to take Dahlia Cuttings to Double your Stock! I’ll be honest, the first year I did this I didn’t spend enough time researching how to be successful and it showed. This year I took some time, read books, watched videos, and set myself up for success! What you will need: Label Marker Sprouted Dahlia Tuber Container or Tray Rooting Hormone Sharp Knife or Razor Blade Once your tuber has sprouted and you have two sets of leaves, you are good to start taking cuttings. The smaller the sprout, the b