Trellising on the back wall

2161. The back wall trellis was formerly in general use, and considered the principal part of the house for a crop; but that is now only the case in narrow houses. In many cases a trellis is still applied against the back wall for temporary crops, till the plants trained under the front glass trellis cover the roof; or for figs, which are found to succeed better than most trees under the shade of others.