You can evolve an evee which you can find in Goldenrod city.
Fire stone
Growlithe evolves into Arcanine when you give the Pokemon a fire stone.
Fire stone
Fire Stone
you need give an fire stone to make evolve an vulpix you can buy in celadon
Ninetales isn't available in Heartgold. You have to trade one from another game (or trade a Vulpix and evolve it with a fire stone)
A fire stone is used on certain Pokemon to make them evolve. The Pokemon that evolve with a fire stone are: ~Evee ~Vulpix ~Growlithe
no it does not evolve with a fire stone.
A total of three Pokemon evolve using the Fire Stone: Vulpix, Eevee, and Growlithe.
Well, this may not be helpful, but Fire stones evolve some fire Pokemon... Sun stones also evolve fire Pokemon, (Fire stone, Thunder stone and Water stone also evolve "Eevee", the Pokemon you get after completing sinnoh dex.
it can evolve eevee into a flareon.
EEVEE EVOLVES from FIRE STONE into FLAREON