I planted zucchini and yellow crook neck squash. The plants are huge and healthy with very large flowers. I got 3 large zucchini and then nothing. Still lots of flowers. The yellow squash got about 3" long and then withered. The plants are now droopy but with loads of flowers. What is wrong with them? They are watered every night.
Yellow Crook Neck Withering on Vine
Certified GKH Gardening Expert
It sounds like it might be a pollination issue, likely from the extreme heat in much of the country which can affect plant pollination. These articles will help: