if they desperately need to be transplanted you can do it... but you must be incredibly careful not to disturb the root ball, at all! If you can't do that don't try. If you do transplant so late in the game use superthrive with the first watering. It will prevent transplant shock and help the roots become established but don't use it more than once or twice, too much may delay ripening of the bud. When you transplant I find it best to cut the pot away from the roots, but I use nursery pots so they are easy to cut.