The plant support we are recommending for this area of your project is

Installer Specification

To supply and install taught black plastic wire to support climbing plants. To be used in association with black metal vine eyes and black plastic tensioners.

Wires to be placed horizontally.

Wires to be spaced at 300mm intervals.  The first to be 300mm above finished ground level.

Where possible, vine eyes should be installed into fence posts or if attached to a brick/stone wall or  building should be 250mm away from the end of the wall.