with a pokeball ;)
You can't catch Flaafy, but you can catch Mareep at the Valley Windworks.
in Pokemon heartgold you get it in route 42 and 43
Um...Ampharos is the evolve form of Flaafy...and Flaafy is the evolve form of Mareep -...-
you cant....unless you use gameshark on vba emulator
You can't catch Rotom in heartgold.
you cant catch him in heartgold you can only get him in soulsilver
In HeartGold you can catch Kyogre.
You can only catch Vulpix in SoulSilver, not in HeartGold. You can catch it on route 36 and route 37.
You can not you must train your Flaafy from the Lake of Rage or you must train your Mareep from just south of Violet Town.
No
In pokemon Heartgold
you cant catch it it is rare