Gilly wrote:
I have just sown some [ foxglove ] in my unheated greenhouse because, like
you say, it's worth a try. The pack says they can be sown directly outside
in September, so I figure my unheated greenhouse will probably be much the
same.

That's *very* interesting. I have some seed from a particular plant
with odd characteristics that I've forgotten to put in. I shall do
so this week, in a sheltered spot, if no-one forbids it.