I inherited what seems to be two mature (3+ inches in diameter), dormant (out-of-ground for months), grape vines. How does one go about rejuvenating them or coaxing them into successful planting? Do I need to get them to actively root first? Is this the right time of year to tackle this project? If not, how should I store them over the summer? If I just stuck them in the ground now, would they root on their own-- like a cutting? Should I expect mature fruit this year? Or, would it be best to prune the fruit as it emerges to encourage a healtheir root system, similar to a new plant?