The berry master is just west of Hearthrome city. Unfortunately there is no berry master's wife in the game.
Chat with our AI personalities
the same place as in diamond.
In Pokemon Diamond, the berry shop is in Floaroma Town.
You can only get the petaya berry in Pokemon Colosseum, so the only way to get it on diamond is cheating or migrating.
its on route 123
Talk to the little girl in the berry master's house by Hearthome city