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Week of July 10, 2018

If you see black or rotting bottoms on your tomatoes, peppers or eggplants (less common), it is most likely blossom end rot. Tomato varieties that set all of its fruit at once (determinate) are commonly affected; cherry tomatoes rarely get blossom end rot. It is caused by a calcium deficiency in your plants caused by soil deficiencies or from uneven watering (calcium is not taken up). Mulch around your plants to help conserve the moisture and remove affected fruit. If your soil has sufficient calcium, then no supplement is needed. Deep cultivation can damage roots which in turn may impair nutrient and water uptake. Don’t over fertilize your plants with high nitrogen either. Excessive nitrogen will lead to more foliage which will reduce the amount of calcium available to the fruit.