raised garden

Question

the squash plants have blooms but fall off before producing why

Answer 1

This may be the male blossoms dropping off of the vine; which is normal in the early part of the season.
This article will help you identify the male and female flowers.

https://www.gardeningknowhow.com/edible/vegetables/squash/squash-blossoms-falling-off-vine.htm
https://www.gardeningknowhow.com/plant-problems/environmental/why-healthy-blooms-fall.htm