TRELLIS CHOICES
A. All trellis types need strong end posts with some type of bracing
B. Single High wire
1. For less vigorous varieties with trailing growth habit
2. Common row spacing 10ft., plant spacing 6-8 ft., fruiting wire 5-6ft. off the ground
C. Vertical Shoot Positioned
1. For varieties with upright growth habit
2. Common row spacing 10 ft., plant spacing 6-8ft., fruiting wire 3 ft. off the ground
D. Geneva Double Curtain
1. For vigorous varieties with trailing growth habit
2. Common row spacing 12 ft., plant spacing 6-8 ft., 4 ft. between fruiting wires, 5-6 ft. off the ground
E. Lyre
1. For vigorous varieties with upright growth habit
2. Common row spacing 12ft., plant spacing 6-8 ft., 4 ft. between fruiting wires, 3 ft. off the ground
Footnote: Fruiting wire refers to the wire that the fruiting cane or cordon is trained on
Suggested reading material: Sunlight into Wine by Richard Smart & Mike Robinson ( an in depth study of Winegrape Canopy Management)