if you put it on a Pokemon that goes into battle, you will get more money if you win.
you can only get darkria in Pokemon platinium if you get the wonder card that was a Pokemon event last year.
It is at Mt. Mortar.
no
34.95
Digletts Cave.
no.
the best Pokemon (grass) in platinum is probably shemin, but that's just my opinion - good luck catching it!!
That item doesn't exist in firered.
In fall 2009
Route 201 (Dongle)
Eterna City
I Think its Pokemon Diamond and Platinium