There aren't growlithe in LeafGreen. FireRed has growlithe, LeafGreen has vulpix.
You could find Growlithes in Route 48.
Trade one from firered to emerald.
Piplup does not exist in Pokemon LeafGreen or FireRed.
No, you cannot find cyndaquil in LeafGreen.
you should go to gamestop
LeafGreen version does not have Growlithe.
trade, migrate, cheat, and there may be a swarm, but probly not
you have to get a grolithe and bring it to bills house in kanto
In the grass...
You cannot catch houndour in Pokemon leafgreen either get one from Pokemon emerald or Pokemon colosseum.
there is no such Pokemon
That item doesn't exist in leafgreen.