you cant go to johto but you could catch johto Pokemon on sevvi islands
You can't go to Johto in Pokemon FireRed or LeafGreen.
complte the poke dex the go to the proffessor guy, i used the action replay
You can't.
sadly no
johoto or kanto regions
Blackthorn City in Johoto
chikorita - grass. cyndaquil - fire. totodile - water.
only in re-runs.
You can get it by transferring the Johoto starters via your Game Boy Advance to Pokemon Emerald
Primarily beat the gym leaders and beat the elite four
Yes you can trade leafgreen version Pokemon to another leafgreen version.
go on serebii.net (just type in Pokemon pearl pokedex) click on the one that says johoto