I am growing yellow squash. The squash will get 3 to 4 inches long and that is it. I have picked them and figured next ones will be bigger. Now they get about that size and start rotting. Why? They never get bigger than that.
Certified GKH Gardening Expert
It sounds like a pollination problem. These articles will help:
The rotting can be attributed to blossom end rot. This article will help with that: https://www.gardeningknowhow.com/edible/vegetables/squash/squash-blossom-end-rot-causes-and-treatment.htm