start with a chimchar. This is a stupid question
catch a starly and evolve himGardenia has one.
use a flying , poison or flying Pokemon
In the Eterna gym in eterna city.
Go into Eterna forest at night and Gardenia should be there. Go past the trees and into the Old Chateau and there will be a TV in one room. Thump the TV and Rotom will come out.
If I'm correct, the Gracidea flower cannot be obtained in Pokemon Diamond. Sorry! (Note: The Gracidea can be obtained in Pokemon Platinum.)
Gym leader Gardenia is in Eterna City. Pokemon: Turtwig- Lv20 Cherrim- Lv20 Roserade- Lv22
The second gym is in Eterna City. The gym leader is Gardenia, who specializes in Grass-type Pokemon.
I don't think you can battle Gardenia in Pokemon HeartGold.
no you cannot't trade Pokemon from Pokemon black to Pokemon platinum or any past games.
sdfsdf
She comes because you have got a grass related item and she likes grass types she wants to come and see it.
with powerful pokemon.