We planted cucumbers. In the beginning they tasted fine, but now they seem to have a bitter taste to them. Why?
My Cucumbers Are Bitter Tasting
Certified GKH Gardening Expert
Here is an article that will help you that discusses the reasons for bitter cucumbers:
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.