Specialty Gardening: tips on moving large trees into new containers, 1 by Anaid

Anaid wrote:
Just out of curiosity, Im growing this pomagranite (see pic) and presume I will get to the point where transplanting and possibly root trimming will be something I will need to do as well. I dont think I'd like to move up to a larger pot so would it be recommended to do the root trimming and replace the soil with fresh soil and pot back in the same one? I dont want this
plant growing out of control like I've seen some pomagranites do so I thought I'd keep it in the pot "4-ever" to keep the size controled. Can anyone advise or correct me?