Defeat the Pokemon league and go to bills house. make one space in your party and he will give you Eevee
EVEE evolves at level 15
you get it from bill in goldenrod city
No, you would have to transfer an Evee from one of your other games I.E. Heartgold soulsilver etc.
You can't catch an evee in heart gold, but you get one from bill in Joto at goldenrod city just Southwest of the gaming Cornner.
hatch from egg breed in day care evee and ditto
You can't get a wild Eevee. You can, however, receive one from Bill.
The Icy Rock is not in it, which is needed to evolve an Eevee into a Glaceon.
You can evolve an evee which you can find in Goldenrod city.
No because there is no clock in leafgreen you must trade evee to a game with an internal clock to make it evolve to evee those games are ruby, sapphire and emerald also heartgold, soulsilver, diamond, pearl and platinum.
Go to a rock with moss on it and walk around it and make it grow up a level.
You can't capture one, but if you visit Bill in Goldenrod City, he will give you one for free
you find evee in goldenrod city from bill.search all of the houses till you find the one with a little girl walking arond,a woman sitting across from a man he will give you evee.this will not work if you have not met bill already.