Brandt grapevine terminal?
I planted this attractive Brandt grapevine about 15 years ago. It has always been vigorous with masses of fruit. However this year it seemed have barely any leaves which are extremely small. There has been no real growth either and now what leaves exist are wilting. I have never fed or watered it but it is planted in rich soil. I have a 3 year old white dessert vine planted about 5 metres away that is looking extremely healthy. Any ideas? If the Brandt is on its way out I was wondering whether to cut it down and replace it with a small, seedless, red dessert vine (if one exists?). Is it ok to just plant another in the same location?