Wash.—An early cold front that swept across the Northwest last November yielded the second-earliest ice wine harvest on record in British Columbia, but grape growers in Washington state are still wondering what effect it had on their vines. Many growers are reporting significant damage, but a chilly spring has delayed bud break and accurate answers to the questions that vineyard managers are asking. “We don’t know what the aftermath will be, because we haven’t seen bud break yet in most places.