Answer: The garden soil sounds like a good mix, but if you added a lot of organic matter in relation to the amount of garden soil and top soil, it may be a little warmer than normal because of the natural decomposition process of the organic matter. This additional warmth should not adversely affect your tomato plants because they like warm soils, but you never know. The fact that a duplicate plant is growing well in potting soil can simply be attributed to it being in a single container above ground instead of in the garden where heat can collect. I'm not convinced the soil is making that much of a difference, but you never know! New transplants can take a few weeks to adjust to their new growing spots so just be patient with your tomatoes. I would leave the tomatoes in the garden and continue to water them deeply when the top of the soil dries out. Since you've already incorporated fertilizer, don't feed them for another 4-6 weeks.
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