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Conservatory vine
In message , Alan Gould
writes In article , Chris Boulby writes Does one really need to protect grape roots in winter? If so, what from? I know they grow successfully in the Niagara fruit belt in Southern Ontario, where winter can be both severe (down to -20C at times) and sometimes quite wet if the snow thaws. The main reason for growing grapes here under glass may be to give them more summer warmth to ripen them, but others may know more than I do about this subject. I have grown them completely outdoors when I lived in South Yorkshire, and even managed to ripen them. We only got three bottles of wine from our one vine :-) Yes, grape vines will survive UK winters outside and live to grow again. They will often flower and begin to bunch up too, but unless they are a hardy variety bred for that purpose (often with sharp white berries), they will seldom produce a satisfactory crop of fruit. There are some commercial vineyards in S& SW UK where local conditions permit. We have prolific crops from three varieties of vine in greenhouse and poly-tunnel. They all propagate well from cuttings, but none have ever done much more than survive outside. I hear what you are saying Alan, and I fully agree that you will get a poor crop if they are not grown under glass in many parts of the UK, but it is the lack of summer sunshine and heat rather than winter cold and damp that prevents them from doing well. Are there any known to be tender in this regard? The one I grew in S. Yorks was a German red grape and it had good sized berries on it, sorry I don't know its name now. But I would obviously have got a better crop if the foliage part of the plant had been kept under glass (or polytunnel). -- Chris Boulby National Collection of Diascias Please note new email address: |
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