Q: Why do some of my newly formed zucchini start rotting at the flower end?
A: This common problem is usually weather related. It occurs most commonly early in the season, when adverse weather can inhibit the pollinating action of insects. Poor weather can cause the pollination process in the female flowers to be incomplete. The fruit will begin to develop but then turn yellow and rot. Pollination problems can also be caused by a lack of pollinating insect, primarily bees. Soil conditions can contribute to the problem. Keep the soil modestly but consistently, moist and never wet. Avoid an excess of nitrogen in the soil,. In most coastal soils, mixing a lime prior to planting is helpful, because it counters soil acidity and supplies calcium, which helps to avoid blossom end rot in squash as well as in tomatoes and peppers.
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