In Pokémon SoulSilver, Shroomish can be found in the Viridian Forest and in the Safari Zone.
In the Safari Zone, it can be found in the Savannah section however it will only start appearing there once you have 6 Plain Objects and 18 Forest Objects placed there for 20 days.
In the Viridian Forest, it (Shroomish) can be found by headbutting the trees.
you have to migrate it from gb games
The Great Marsh. Check every day.
No, you can not catch Phanpy in SoulSilver. It is a version exclusive to HeartGold.
there is a mew in Pokemon soulsilver but you need to catch all leadndery Pokemon including event Pokemon
With a pokeball
Route 44.
Shroomish is a rare Pokemon in Ruby and Saphire but you can find it in the Petalburg woods.
You can't catch bastiodon in Pokemon soulsilver.
go 2 the forest n start headbutting those trees (:
catch it? no.
The Great Marsh. Check every day.
No, you can not catch Phanpy in SoulSilver. It is a version exclusive to HeartGold.
You cannot catch Heatran in Pokémon SoulSilver, you will have to trade for it.
You cannot catch Celebi in Pokemon Soulsilver, you have to transfer it from Diamond and Pearl (if you have it in those games).
No.
No.
you trade
You can use any type of Poke Ball that you want to catch Spheal in Pokemon SoulSilver.