Q.Yellow squash
My yellow squash plant has plenty of blossoms, appears to be very healthy, but I have no fruit starts. What can I do to get fruit?
Pollinate, pollinate and pollinate. It's all about the bees when it comes to squash, and if you have flowers but no fruit, it means the bees have not been visiting your plants. You'll need to start hand-pollinating your blooms. This article will walk you through how:
https://www.gardeningknowhow.com/edible/vegetables/squash/pollinate-squash-by-hand.htm
https://www.gardeningknowhow.com/edible/vegetables/squash/female-male-squash-blossoms.htm