(PressDemocrat) - Last year, Ron and Ellie Jones couldn't find a single winery willing to buy their Chalk Hill chardonnay crop, which was left to rot on the vine. But last year's surplus of grapes has become a shortage. For the first time in years, wineries are bidding up the price of grapes sold on the spot market and signing long-term contracts with growers to ensure a steady supply of fruit in the future. The Jones family received a three-year contract to sell their bounty to La Crema winery in Windsor.