On 12 June, 16:22, "Bob Hobden" wrote:
"alan.holmes" wrote ...

Some have flowers on and I don't know whether that is a sign!

10 to 12 weeks for new ones, but as David says, suck it and see.

After the flowrs have died back was the old kitchen garden method, but
that got you large 'main crop' tubers, not 'new potatoes'. If the
soil is loose enough, just have a look at one - if it has nothing
worthwile underneath you might be able to heel it back in, even. But
I doubt that...