You start to see the term on census records from the 1920s and 30s, Truck Farmer. I guess you could say my grandfather Millard Fillmore Green had a truck farm, except he didn't have a truck or a car either. He just found family or friends to help taxi his crops to market.
He grew vegetables on a couple empty lots next to his house in Perry, Florida and sold the produce to the local grocery stores. He did it up until he turned 90.
I've seen several other relatives who had Truck Farmer listed as as their occupation. Several are listed that way on the 1940 census that was just released.
When we moved to our house in Memphis the neighborhood was being developed on land that used to be a farm. There was an old abandoned truck on the other side of the lake, half buried in the mud. It stayed there for several years until they started building houses around it.
After 15 years of development, landscaping, etc the only thing left visible from the old truck or the farm, is this one piece of sheet metal.