black spots inside ripe tomatoes.

Waterford, CT

Hello.
The outside of the tomato looks great, but we cut into it, and there's a rotten spot. We've found in on about 1/2 the tomatoes. Any thoughts. Thanks.

Thumbnail by candym
(Rosie) Belturbet, Ireland

This is usually caused by not watering and feeding properly. It's a disease called blackheart which makes the fruit darken on the inside. Some people use calcium once they notice the condition and this does help to contain the outbreak - best not to let it get to this stage. Make sure you water regularly and use a good tomato feed every week. I garden organically so usually use a feed which contains seaweed - amongst other things.
Hope this helps :-))
Rosie

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