A few of our outside tomatoes have developed blossom end rot. This is our first experience of this problem.
Tomatoes grown in pots and grow bags are more likely to develop this and it’s attributed to irregular or uneven watering (we have had many deluges here in the last two weeks, so I’m ruling that out) or calcium and nutrient deficiency. We may not be giving them enough tomato feed – so will have to be more diligent. We’ve also mixed some egg shells into the soil around the base of the plant, but will invest in a shop-bought calcium preparation if the problem continues. So far only a few have been affected so far.
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