http://www.JoyfulTomato.com/blog – When Yellow Leaves on Your Tomato Plants Occurs, this video will explain the critical steps you needed to take right away… Video Rating: 4 / 5 Question by VirtueOfIntolerance: what is the minimum temperature for tomato plants? I’m growing about 125 seedlings from seed, of which at least half are tomato plants. I’ve been putting them outside every day when temperatures are over 50-60 or so (I’m in Phoenix, AZ) At night I bring them in, especially if it gets below 50. Tomorrow the temperature is supposed to drop to 45… Would that… Read Article →