Thursday, 25 July 2013

Are Your Blossom Ends Rotting?

Wednesday was a warm muggy day with a light shower late in the afternoon.

I noticed that one of our garden greenhouse tomatoes has a bad attack of blossom end rot. I think that’s what it is and it does look like a serious problem. This variety is Sioux and it’s the only plant of this variety in our home greenhouse. 

Thankfully all our other tomatoes in this greenhouse seem unaffected. It did set me thinking though that in the plot greenhouse we have three Sioux plants in one growbag and these might be badly affected too. Having checked them out they don’t appear to have any damage at all.
I've always understood that blossom end rot is due to irregular watering but if anything the plot greenhouse plants would suffer first rather than the ones at home which are watered more regularly. Perhaps it’s too much water but during the hot spell of the last few weeks that seems a bit unlikely to me.

There’s no saving the fruit so I’ll remove all the damaged tomatoes and see what happens.

Copyright: Original post from A Gardener's Weather Diary author M Garrett


  1. What a shame. I have found that BER seems to occur on certain varieties more than others due to extreme weather fluctuations. In the past, I have had this occur with paste tomatoes most often.

    1. You may well be right about the weather fluctuations Robin as the temperature in the greenhouse has reached 35°C (95°F)during our recent hot spell. Cooler now though and much better for getting on with a few gardening jobs.


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