How long does it take for a bullfrog tadpole to grow into a frog?

from a tad pole to a frog. maybe 2-3 months, i think. it can all depend on what the temperature of the room is, the hotter the better i think. it has been known that a tadpole has taken 8 months to turn into a frog in a cold room. oh...that is if you've got them in a tank, if its outside then make sure you put a mesh covering over the pond or whatever, because it protects them from birds and mosquitoes, as mosquitoes can lay their larvae in the water, and they will attack the tadpoles.