you cant
You can dig in Phantom Hourglass by equipping the shovel and tapping the place that you want to dig with your stylus.
Restart the game. Cheats on older or smaller systems (like the DS) often completely mess up your game.
on molida island, you get the shovel and, well, you dig with the shovel. :) :) :)
The "leaf" you are looking for must be the one in The Legend Of Zelda: WindWaker, since there is no "leaf" in Phantom Hourglass. The only items you have there are the Boomerang, Bow, Bombs, Bombchu, Hammer, Hookshot, and a Shovel.
it is on the game first you need the shovel then you have to dig a hole below a tree.
the boomerang, the bombs, the shovel, the bombchus, the hammer, and the grappling hook
take out your shovel and use it on that patch of ground that the wind is spurting out of
Use the shovel. You get it on Molidia Island inside the Wayfarers cave.
Go to the island where you go the shovel. Go to the secret underground room. On your way out there is a sun door. Open the door and hit all of the lights to get into the temple of courage. SPOILER WARNING. Ciela is the spirit of Courage.
To get the shovel go to molidia island and go into the cave by the annoying old ladys garden there will be a notebook on a table and a treasure chest open the chest
On Mercay island you go deep into the tunnle and as you keep going you'll find a room with a treasure chest and a book. The shovel will be in the chest.
it will. just go to the menu and tap on the shovel. then you will see it in the right hand corner of the screen. tap on that. then tap on the place where you want to shovel. and voila!