Growing potted grapes?

I tried to grow some potted grapes (2 Pinot Noir, Niagara, Pinot Blanc) last year and only one vine produced, since a novice in potted variety grew them on a few trellises and the all flourished but one got small green bugs so i used Seven on and off and it worked for a while then couldn't get them off, the... show more I tried to grow some potted grapes (2 Pinot Noir, Niagara, Pinot Blanc) last year and only one vine produced, since a novice in potted variety grew them on a few trellises and the all flourished but one got small green bugs so i used Seven on and off and it worked for a while then couldn't get them off, the leaves browned out and died i trimmed it back so it could regrow the dead vines that worked. Now how since their in pots should they have been stored and trimmed for winter? they are in NY and in zone 5/6
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