Where Can You Find A Leaf Stone In Pokemon Platinum?

You could go underground and dig it out, and you could go surfing in flaroma town you go to the three poke balls and press "a" and you will find the leaf stone, or you could go home and talk to your mom at 10:00 AM sharp, and she will give you a leaf stone.

In formula town near enterna city use surf and go into the flowers and there will be 3 pokeballs  go up to them and press a and it will say you have obtained the leaf stone and the other 2 will say you obtained the rare candy bar and the
mirical seed by the way I have pokemon platnim vershion so it might not be the same on pokemon pearl or pokemon Diamond I don't know.

You need to go behind back to your home town.At exactly 10 am talk to your mom and she will give you a leaf stone.

In the field/meadow behind floaroma town that is across from fuego ironworks you have to have surf to get to it

Underground

To find a leaf stone you can go underground. When you start to dig you may run into a leaf stone

Go under ground and keep digging to find it

In the underground if you keep looking

When you get a explore kit use it to go underground look in the walls or go to veilstone department stores and look on every floor.

Underground

You go to the veilstone department store and they sell them on the first floor the fire stone leaf stone water stone and they sell them there only for  500$