Those funky singing California raisins may be in for some competition from a new kid on the block: the Craisin. Invented by Ocean Spray, a Craisin is a cranberry that has been dried and sugared to sweeten its tart flavor. The product is innocent enough, but the Craisin name has turned raisin producers sour. California growers, who spent $25 million last year promoting raisins, think Craisin is a rip-off. "If it's a cranberry, why don't they call it a cranberry?" asks Don Martens, a member of the California Raisin Advisory Board.
But Ocean Spray, based in Plymouth, Mass., believes the growers'...