hello everyone - hope you`ll had a better last 2 weeks in the garden than me and my wife [ long story ] - anyway this is my 1st. year growing muscadine grapes <---- spelt wrong - i know i have to prune the vines down to nothing but i was told you prune when the water in the vine drops and there is no fluid in the vines can some one tell me when in the season do i do this -