Blossom end rot http://www.ianr.unl.edu/pubs/horticulture/nf43.htm

"Sly boots 9" wrote in message
...
sorry if you've seen this ? before, my hard drive went and when I got a
new
one, all my settings were erased, including the newsgroups. My question
is: my
miserable tomato crop has a lot of black bottoms. What is this? Is it from
excessive rain? I am in Philadelphia area.