Hi, I'm new to this forum and wonder if anyone out there has any good and most importantly, simple advice on training and pruning a grape vine. I have planted a vine in my garden and am attempting to train it up a pergola, with the ultimate aim of having bunches of grapes hanging down over my head, whilst lounging underneath with a book and glass of wine!! My idea is to use a double curtain method, taking two leaders to the top of the post and then training two shoots from each along wires over the top of the pergola. My question today is that the leaders have now reached the top so should I pinch them out to form side shoots, or is it the wrong time of year to do this? I have read that summer pruning might lead to the sap bleeding out which might even mean death to the vine? Is this right, so should I leave the leaders and prune later when the plant is dormant? Any advice would be appreciated as each book I read gets me more confused about this.
Thanks