The Trophy Garden is on Route 212 which is the Route south of Hearthome City. The Southern exit of Hearthome is on the bottom left corner of town. The Trophy Garden is located right behind the Pokemon Mansion.
Run as much as you can in trophy garden!go to trophy gardens !
see every Pokemon
yes.
the trophy gardens are in the route below hearthome
Go to the underground and get a fossil by mining
go to trophy gardens south of haerthome and catch a male pichu and raise it
You can find them at: Trophy gardens when Bracklot (the master of the Pokemon mansion) says they are in his trophy garden and at route 218, however, it may take a long time for them to appear in both places.
I'm pretty sure you can't. sorry :(
you have to go in grass and use it but dont get on your bike
Yes, you can.
You cannot unlock the off-limit room of Trophy Garden in Pokemon Pearl, so as Diamond and Platinum, even though you defeated Elite 4. It is just a decoration.
ManaphyYou cannot see manaphy but in the trophy gardens you will find a fancy notebook read it and you will have manaphy in your pokedex.