how do you raise your chocobo?and something else to find these dead peppers you have to have a lot points in the game of chocobo hot and cold?
*nod*
The chocographs lead you to locations of chests, which mostly contain items and weapons, but every so often one "upgrades" your chocobo to the next level - Shallow Water, Mountain, Ocean, and Sky.
Dead Peppers begin to appear among the items you dig up during chocobo hot and cold after your chocobo gets its moutain upgrade.