Gloom evolves into Vileploom with a Leaf stone To get gloom to evolve into a Bellossome, you need to use a Sun stone I suggest you catch two oddishs in order to get both Vileploom and Bellossome into your Pokedex.
There aren't any new Pokemon in Platinum that evolve with a Sun stone. But these are the Pokemon that evolve with a sun stone:Sunkern into SunfloraGloom into Bellossomit will evolve gloom into bellossom and sunkern into sunflora. You're welcome!!
Sunkern -> Sunflora Gloom -> Bellossom
Gloom can evolve to Bellosom with sun stone....
As of Pokémon Pearl, there are only two Pokémon that can evolve with the Sun Stone item, the first Pokémon that can evolve with it is Gloom and it will evolve into Bellossom and the second Pokémon that it will evolve is Sunkern and it will evolve it into Sunflora.
Gloom Nuzleaf There may be more....
Gloom into Bellossom & Sunkern into Sunflora
Firt of all you must catch an oddish then when it evolves, it will evolve into a Gloom
Well there is only about 3 Pokemon that evolve with the sun stone and 2 in Pokemon sapphire gloom and sunkern which turn into bellossom and sunflora.
Exeggcute and Nuzleaf.
catch it on route 121 or evolve it from oddish at lvl 21
you cant catch a bellosome you have to evolve gloom using a sun stone
Vileplume is not found in the wild in Pokemon R/S, you must evolve it from a Gloom by Leaf Stone.
The same way you do in every other generation, evolve Oddish into Gloom, then evolve Gloom with a leaf stone. You can get a leaf stone from the shards guy if you hand him a green shard.
You can evolve gloom to bellossom usig the sun stone.
oddish
A gloom will evolve into a vileplume.
gloom can evolve into bellosom and sunkern can evolve into sunfloria.