Every year we have had abundant results with our zucchini plants. This year we are finding the flowers either gone or on the ground beside the bush. We have not had one zucchini this year. What could be causing this?
This first flowers that form on your plant are male blossoms. These will open and fall off of the plant. The female flowers come later and if they are not being pollinated will also drop off the plant.
You can try self pollinating your flowers.
These articles will help you.