Though blossom-end rot can affect the fruits of several different plants—including peppers, squash, pumpkins, eggplant, and watermelons—it's especially common in tomatoes. Blossom-end rot can ...

We suspect your tomatoes have blossom-end rot, an unfortunate but common problem most often affecting tomatoes, but also peppers and squash. It starts as a small spot where the blossom once grew ...