Left: The bittersweet apple Harry Master’s Jersey. Bittersweet apples are in big demand. Center: Yarlington Mill, a traditional bittersweet English cider variety. Right: Kingston Black is a much sought-after bittersharp cider apple. Geraldine Warner There are now 20 cideries in the Pacific Northwest, including eight in Washington State. As a result, there’s a huge demand for cider apples and not enough product to satisfy every ­producer, says Drew Zimmerman, a grower in Mount Vernon, Washington. Bittersweet varieties are ­particularly sought after. As in the wine industry, the person making the cider is typically not the person growing the fruit because […]