Jirachi cannot be caught in the wild. You'll need to migrate it from the Generation III games, trade for it, or use an Action Replay.
Chat with our AI personalities
No, you cannot get Jirachi in Pokemon platinum.
Nope you're screwed dude. Sorry!
I use Ho-oh arceus darkrai jirachi groudon and deoxys
You can't catch Jirachi.
Jirachi learns Trick by 1 of the Move Tutors in Pokémon Platinum, HeartGold or SoulSilver teaching it to it (Jirachi.)