This image from Mount Vernon, Virginia shows a portion of the kitchen garden. These were name this as they were filled with fruits and vegetables grown and harvested for the estate kitchen, unlike the more ornamental gardens populated with flowers and shrubs.
M.V.L.A.
The plants most easily visible appear to be grapevines. The caption on the back of the card states only “View in the Kitchen Garden, Mount Vernon.”
This card is believed to date from the 1940s.