How Big Are Cucumbers When They Start ‘Giving Fruit’?

Question

Mine, besides the seed leaves, has 2 true leaves with another one growing.

Answer 1

Cucumber plants do not produce fruit until at least a month to month and a half into their growing cycle. Yours are still too young.

These articles will help: https://www.gardeningknowhow.com/edible/vegetables/cucumber/tips-for-growing-cucumbers.htm
https://www.gardeningknowhow.com/edible/vegetables/cucumber/when-to-pick-a-cucumber-how-to-prevent-yellow-cucumbers.htm