I have healthy looking squash plants (zucchini, crookneck and spaghetti) but they do not produce squash. They just grow and grow. They flower but no produce.
Certified GKH Gardening Expert
This is typical behavior for a squash plant. They will produce mostly male (non-fruiting) blossoms early in the season, which fall off, and will gradually start to produce more female blossoms as the season progresses. Give it some time and you will see it start fruiting. Here is how to tell a male from a female blossom:
If you are seeing fruit but they are falling off, this article will help: