Backyard farm business is booming.

Here's an interesting twist on home gardening -- in many cities, a growing number of businesses offer to start backyard vegetables gardens -- and then maintain them -- for urban residents.  They estimate the payback time for the customer is 2 years, which is not a bad return on the money. Here's the skinny from Global Guerillas -- Business Dynamics of Backyard Farms -- which includes links to many such businesses in LA, Vancouver, Portland, Atlanta, etc.