Go into the safari zone. or evolve from shroomish (transfer from previous games they are pretty common in sapphire,Ruby and emerald)
Safari zone, or head butt trees (after the league) to get a shroomish.
no you can trade soulsilver pokemon to black
he is not in Pokemon soulsilver or Pokemon heartgold
POKEMON SOULSILVER come with a poke walker and the Soulsilver game
Pokemon soulsilver and Pokemon heartgold are basically the same game just different versions but i do recommend buying Pokemon soulsilver
I found one in petalburg woods ,just look a lot. an if you train it to 23 it will evolve to brelloom. grtz
SOulsilver
You CANNOT LEGALLY download Pokemon Soulsilver.
You can't catch bastiodon in Pokemon soulsilver.
You'll need to trade for it from Pokemon HeartGold. It is not avilable in the wild in Pokemon SoulSilver.
there is a mew in Pokemon soulsilver but you need to catch all leadndery Pokemon including event Pokemon
You cannot battle between a Pokemon Black game and a Pokemon Soulsilver game.