hello a little help needed i have just got two grape vines one for my polytunnel and one for the greenhouse,gagarin blue and aroura white.

what is the best type of soil to plant them in and to feed them? and how large a container should i plant the one in,in the greenhouse?

the one in the polytunnel is to get planted in the ground.

and how often should i water them in the cooler weather as it is still cold here.