Instructions
Travel to Route 30, which is north of Cherrygrove City and south of Route 31.
Enter the southernmost house and speak with the man inside. He'll give you the Apricorn Box.
Travel to the Pokeathlon Dome, which is west of the National Park.
Walk west until you find a woman standing next to three blenders. Speak with her, and she'll give you the Apriblender.