One time I was doing a transplant, and when I pulled out the plant of the pot I accidentally dropped it, it was horrible, dirt all over the place, the root ball no longer such a thing, I freaked out. I placed the dirt back into the bigger pot, I made a hole and then inserted the plant, pushed it a little and watered it. A week from that the plant was alright and started growing again. I think that was as much transplant shock as a plant can receive.