Many things grow in the garden that were never sown there. – Thomas Fuller, Gnomologia, 1732

Be it deep or shallow, red or black, sand or clay, the soil is the link between the rock core of the earth and the living things on its surface. It is the foothold for the plants we grow. Therein lies the main reason for our interest in soils. – Roy Simonson, USDA Yearbook of Agriculture, 1957

Creating your own urban farm is as simple as planting your flowerbeds with edibles. – Greg Peterson, My Ordinary Extraordinary Yard: The Story of the Urban Farm, 2009