“I’m not convinced about its place up here — but we had to give it a shot.” That’s one of the first things winemaker Jonathan Oakes told me when I asked about his soon-to-be-released syrah. Syrah is far from widely planted in the region, but most of what I’ve tasted has been delicious. And, after tasting Oakes’, I’m more convinced than ever at the grapes potential in and near the Niagara Escarpment AVA. Aged in heavily toasted American oak — even if the majority was two and three years old — Leonard Oakes Estate Winery 2012 Reserve Series Syrah ($23) shows a…