Besides the moss stone and ice stone that is only in diamond, pearl and platinum you can get every other evee evolution by using evolutionary stones or having it evolve when it's loyal to you in the morning and at night. Use the fire stone, water stone and thunder stone to get vaporeon, jolteon and flareon. Get evee to be loyal to you then train it a level in the morning to evolve it to espeon and do the same only at night to get umbreon.
Eevee can not evolve into porygon.
In Pokemon HeartGold and SoulSilver, an Eevee cannot evolve into a Glaceon. You can trade with other trainers from Diamond, Pearl and Platinum to get one.
To evolve the Pokémon Eevee in Pokémon HeartGold and SoulSilver, you can choose either of the two choices described below:Train Eevee in the nighttime when it has max happiness.Train Eevee in the nighttime when it is around a Moon Shard.Steps have nothing to do with the evolution of Eevee.
an eevee
Eevee will not evolve because there has not been a new Pokemon invented in which eevee can evolve into.
Evolve Eevee, or trade.
get an eevee and evolve it into a thunderstone
A water stone
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
you can find a leaf stone in viridian forest in kanto in heartgold
Eevee can not evolve into porygon.
Level it up at night whilst it has high happiness.
It depends on where you have found it and in soulsilver or heartgold........
u can't u have to level up eevee near snowpoint city in diamond/pearl/platinum and trade into soulsilver and heartgold
make sure it loves you by giving it haircuts and massages and train it at night.If you do that it should evolve
In Pokemon HeartGold and SoulSilver, an Eevee cannot evolve into a Glaceon. You can trade with other trainers from Diamond, Pearl and Platinum to get one.
you use a fire stone on eevee to evolve it into flareon thunder stone = jolton water stone = vaporeon full happenes in day you get espeon night time you get umbreonYou cannot evolve an Eevee into a Glaceon in Pokémon HeartGold, you would have to trade it to either Pokémon Diamond, Pokémon Pearl or Pokémon Platinum and evolve it into a Glaceon there and then trade it back to HeartGold.