Blossom end rot on tomato. Maintain consistent moisture, try mulching tomatoes first. Don’t reach for the Epsom salts.
Whether you pronounce it to-MAY-to or to-MAH-to, either way you say it they are both delicious. Tomatoes are grown in over 86 percent of home gardens in the United States, but there are many common diseases and problems that can plague tomatoes. With a little help, you can keep your tomatoes in tip top shape.
Husker Hort 