Victory gardens began in the 1940's to provide food during wartime; the nation's food supplies were low and economic times were difficult. Victory gardens supplied 40% of the food surplus during this time. People planted gardens on both public and private land.
If you want to help out, they are looking for volunteers:
We’re looking for volunteers—experienced gardeners and novices alike—to help us keep the Slow Food Nation Victory Garden thriving from July – September 2008. For more details and to enroll as a Victory Garden Volunteer, please email your contact information and availability to firstname.lastname@example.org with “Victory Garden” in the subject line.
(Image: Slow Food Nation)