The ability to make use of vertical space can not only increase our productivity per square foot, but in some cases also make gardening easier on the back and knees.
Pro's & Con's
With a few notable exceptions, most vertical growing options share drawbacks and benefits. You have to build something, and you have to supply dirt. You also typically have to water more often and provide more fertilizer. However, it eliminates the need for a tiller. It also allows us to make use of limited space with narrow footprints.