You can only get groudon if you migrated it through the pal park from Ruby or Emerald.
Groudon, Kyogre, and Rayquaza. Groudon is the fire legendary pokemon, Kyogre is the water legendary pokemon, and Rayquaza is the air legendary pokemon.
Groudon is a legendary Pokemon and so far none of the legendary Pokemon can evolve. (That would be cool if it could but it can't)
Groudon is one of the three legendary Pokemon. He represents the land.
...sigh. groudon is a legendary, it does NOT evolve
it doesn't its a legendary Pokemon
Some legendary Pokemon in saopphire are rayquaza, groudon, kyogre
well that depends if your looking for the best legendary Pokemon. best Legendary: Groudon is a really good Pokemon when it learns fichse. but id have to say groudon is the best
groudon
Kyogre, Groudon, Rayquaza
groudon,kyogre,rayquaza
The legendary Pokemon in Pokemon sapphire are groudon, rayquaza, Kyogre, Regice, Regirock and registeel EDIT: No you cannot unlock/get Groudon, Rayquaza, or the Regi's.
Groudon is a rare legendary Pokemon, which is very hard to find. Since Groudon is so legendary, fortunately he does not evolve in any Pokemon Game or Series (nor does anything evolve into him). He's just a standard rare Pokemon like the others.