Quatrefoil ArborQuatrefoil Arbor With Gothic cathedral like arches and fine scalloped detailing, the Quatrefoil Arbor employs traditional blacksmithing techniques and old world classical design to bring a European style to accent the garden. One of our tallest arches, the Quatrefoil Arbor can easily support climbing vines while providing ample room for passage beneath. Ideal for placement over walkways, installing at the garden entrance, even temporary set up for