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• Blossom End Rot – What Causes it? For years it was claimed that a lack of calcium was causing Blossom End Rot since fruit with BER has low calcium levels. For some time scientists thought that the problem is one of moving calcium around inside the plant, not necessarily a shortage.

• But first you might need some background knowledge about blossom end rot and its reasons mainly being calcium deficiency in the plant. Luckily this disorder is not contagious in the sense that it will affect other plants. Calcium plays a very vital role in the growth of the fruit.

• A perfect solution that you can use to fix blossom end rot would be Calcium Nitrate Hydroponics Soluble 15.5-0-0 (2lbs). There are a couple of reasons for the lack of calcium in your plant and all of them have to do with your soil:

In addition to tomatoes, blossom end rot can affect peppers, watermelon, eggplant, squash, and cucumbers. Blossom end rot is the result of a localized calcium deficiency in the fruit; however, this may not necessarily indicate a calcium deficiency in the soil or in other parts of the plant.

A calcium deficiency is the most often cause of blossom end rot in tomatoes. The root cause of this deficiency is thought to be fluctuations of heat and cold weather and excessive rainfall. When these occur at the same time, calcium becomes unavailable to the plant.

Blossom-end rot can be mistaken for a plant parasite or virus. It is usually caused by inadequate water and calcium in the soil.