Gardening Questions And Answers
Poor Pollination Zucchini blossoms will also fall off the plant if the pollination between the male and female blossoms is poor. Poor pollination can happen due to a lack of pollinators, like bees or butterflies, high humidity that causes the pollen to clump, rainy weather, or a lack of male blossoms.
Zucchini plants wilt when over- or underwatered. As with most plants, you can judge the watering level by checking the soil with your hands. Soggy soil means too much water — which may lead to zucchini wilt. Watering the leaves and not the soil can also trigger fungal and bacterial diseases that cause wilting.
Answer: The rotting of the small squash fruits could be due to poor pollination or blossom-end rot. On zucchini and other summer squash, the blossom end of the fruit begins to rot and within a short time the entire fruit has rotted. Blossom-end rot is caused by a lack of calcium in the developing fruit.