Rick McGreal wrote:

snip

.........the idea of putting some in a po(o)t and sinking it...
I may put them in other parts of the garden....
As long as I know how to kerb them I rather like them..

All the talk has been about regeneration from new corms.
Is that their only method? They seem to produce masses of fruits from
the flower heads. Are their seeds infertile?

--
ned