Welcome to GWE! When I transplant outside I temper them first. Set them in partial sun light (shaded, cloudy) for a few days then into more light then to the ground. The risk are many growing outside, if you go into full on sun to fast it can kill/burn them, then the pests. I always plant at least to the starter leafs, and sometimes to the first set of leaf. (and may go deeper as they get bigger, covering lower limbs, by putting soil around them)