Butternut Squash

Question

What would make butternut squash rot on the vine while still very young? The flower is still attached to the fruit.

Answer 1

This could be from blossom end rot or poor pollination. These articles will help: https://www.gardeningknowhow.com/edible/vegetables/squash/squash-blossom-end-rot-causes-and-treatment.htm
https://www.gardeningknowhow.com/edible/vegetables/squash/squash-fruit-falling-off-the-plant.htm