"David Hill" wrote in message
...

Strange I have posted a reply to this 3 times that seems to have got lost
in space, or bounced.
The reason it's bitter is because it's been pollinated.
F1 hybrid (All female) Glasshouse cucumbers were developed to avoid this
problem commercially but are Expensive.

They aren't that expensive if you want to avoid bitter cucumbers. We
bought all female plants from a garden centre.