David, best of luck with your project. This is from my 2011 records. Try this and let me know your results. Claud
cultivar name, transplant date, first harvest date, and zip code
Peron Sprayless 04/07/11 05/19/11 38965
Peron Sprayless 08/26/11 12/26/11 38965
Transplant 08/26/2011================= First tomato 12/26/2011====These were from the same vines picked on 03/03/12 === Three of the seven plants were still producing tomatoes on 08/2012 almost a year later.
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Before the first frost on 10/18/11