Why Do My Tomatoes Rot at the Stem End?

Question

Tomatoes turn dark at the stem end when they start to ripen. When partially ripe, I have cut one open and the rot extends down the middle of the tomato. What can I do?

Answer 1

It sounds like your plants have timber rot. This article will help:
http://www.ces.ncsu.edu/depts/pp/notes/oldnotes/vg4.htm