SMITHS FALLS, ON. APRIL 29, 2014 — MANUFACTURING MARIJUANA STEPS. STEP 3 – CLONES (closeup): When clones of the mother plant have grown sufficiently, they are replanted into larger pots before being placed into a flowering room. The Tweed marijuana growing plant in Smiths Falls -where the old Hershey’s chocolate factory used to be – is up and running. (Julie Oliver/Ottawa Citizen) #116871. OBSR. Bagnall.