I thought our garden soil was healthy. The tomato plants all started well in the greenhouse, and it was time to plant them outside. It was going to be a summer with a bumper crop of tomatoes. I was looking forward to canning jars of marinara and crushed tomatoes. Then, the problem began. *This post contains affiliate links from Amazon. I thought at first we had a pest issue. At first, my tomato plants were flowering beautifully. But the fruit was forming with rot on the ends.