A ton of tomatoes?

Not quite! How many tomatoes will one tomato plant yield?  I was hoping to have an answer by the end of this summer.  Although I thought I'd be more diligent and weigh all of my produce each week, I found it easier to do a simple count.  I can backtrack at the end of the season and divide by the number of plants.  To date, I've harvested 502 of these beauties!