I planted them May 7 and began eating them by July 4th.... less than 60 days. Our spring conditions can be described as very wet, and then followed by consistently hot and dry weather -- no significant rain from May 24 until now (Aug 7).
Perhaps the unusual fact is that all my tomato plants are looking good now. They have had regular watering. While all my varieties have yielded some tomatoes, only "Granadero" continues to flower and and set fruit in 100 degree-plus weather. See the photos. We have picked 20 pounds per plant and there is another 30 pound still on each of the plants. With a change to more normal weather, production per plant could easily total 75 pounds.
With the VERY HOT weather I did try a new twist. In mid July, I covered the plants with floating row covers. Mostly, I covered the top and the west side of the plants. It provides some shade and serves as a windbreak to the prevailing hot winds. It appears to have helped. More details on production will follow.