JJ Roberts 100056857 Espalier Trellis Grower, 4' x 4' JJ Roberts Espalier Trellis Grower 4ftx4ft Use this 4 foot x 4 foot Espalier Trellis when you are training your ornamental shrub or fruit tree to grow flat Maximize the space you have available along a walkway, or decorate an expanse of open wall with this traditional gardening technique Use against a solid support or as a divider between parts of your property