Q.My cucumbers are bitter tasting
We planted cucumbers. In the beginning they tasted fine, but now they seem to have a bitter taste to them. Why?

Try picking them at a smaller size. You may want to grow the variety known as "pickling cucumbers". They are smaller in size and usually much more crispy and with less tendency to be bitter.

Here is an article that will help you that discusses the reasons for bitter cucumbers:
https://www.gardeningknowhow.com/edible/vegetables/cucumber/what-causes-bitter-cucumber.htm
Happy gardening!