I know, those big boys come out of the pot easily but root pruning them is another story. Out of the 14 trees that I have to root prone 5 are pomegranate trees. IMO, Pom. trees have much faster growing roots than figs.
Yesterday when I pulled out one of my pom. trees (2 yrs old) out of its pot, I could not believe it how root bound it was. Pulled out the next one, it was the same story. One of these days I have to get rid of them since they take too much space in the shed and they are not that productive at all (3-4 poms/tree, each season).
Navid