I think the Isshu region is the same as Unova.
And, no you can not trade pokemon from Unova/isshu to any other region because the older games have no data on the new pokemon.
no you can't trade it to emerald lol
Yes they can because platinum was an extension of diamond and is in the same region, Sinnoh.
yes but you need see all the pokemons of the isshu region and talk with the professor and she gives you a national pokedex with this pokedex you can trade Pokemon of the 4 gen
No. Bulbasaur is a Starter Pokemon from a different region besides Sinnoh, so you will have to trade somebody with a different Pokemon game for it.
You dont get Arceus in HeartGold. You need to trade one from another HeartGold or SoulSilver or trade one from the Sinnoh region games. WARNIG: IF YOU HAVE AN ARCEUS ON BLACK OR WHITE YOU CAN NOT TRADE IT BACK TO THE JOHTO OR SINNOH GAMES.
Vulpix (or Ninetales) and Flareon are the only ones found, unless you trade with someone.
No, you cannot trade at that point. You can only trade Johto and Kanto Pokemon at that point. No Sinnoh/Hoenn Pokemon are allowed.
its impossible to get sinnoh starters without trading them from other gen IV games. use the palpark in fuschia city to trade them from pearl/diamond/platinum.
you can't you have to trade
Buizel is a Pokemon only found in the Sinnoh region, Pokemon Soul silver is in Johto. The only way to get a Buizel is to catch one in Diamond or Pearl and trade it.
Trade them over from Diamond or Pearl! i got all the sinnoh starters from my friends! :D
There is only one legitimate way to complete the Sinnoh Pokedex. To complete the Sinnoh Pokedex you must trade for the missing Pokemon with Pokemon Diamond, Pearl or Platinum.