Tthis garden is an inexpensive small space solution for growing herbs and spices. This family was already growing plants in recycled food packaging, so the idea was a hit, in fact it was so sucessful with viewers that Rosenbaum published a how-to.
Sensory Gardens: "Use plants that play on the senses, such as fuzzy lamb's-ear, textural succulents, or fragrant lavender." (though not many eat it, lamb's ear leaves are edible, and most fleshy succulents are edible)
Money does grow on trees...and on bushes and vines and groundcovers, too. With edible landscaping, saving money never looked and tasted so good! http://www.bhg.com/gardening/vegetable/vegetables/edible-landscaping/?socsrc=bhgpin042415ediblelandscapin