When constructing supports, it is very important to take into account the wind thrust and the weight of the plant with wet vegetation. A mature plant in full bloom, in a professional plant (6m), is estimated to weigh an average of more than 20kg, wet. Therefore, taking this data into consideration, it will be possible to calculate the size of the steel cables, the size and number of anchors to fix the leader. In Italy, the wooden poles with superior quality, price and durability are from Castagno; larch follows, fir is not recommended for duration. The systems that we still follow are built in earth-colored technical concrete poles, with specific engineering calculations for each location and plot.