Sorry, I know nothing about mulberries or propagating trees in general, but my completely unqualified gut feeling is that you may be able to do it from a cutting. Is it an upright mulberry or one of those weeping ones? We've got one of the latter in our yard. The trailing branches grow like you wouldn't believe. They're so triffid-like that I can't help thinking that cutting a bit off one of them and sticking it in the ground would probably achieve something.

Hmm… I think it's one of the upright sort, the branches don't really weep, but they're still fairly flexible (because it's not that old)… so it gives a feeling of weeping…

(I see what you mean about not being able to see the comment you're replying to—which probably means you won't get notifications about replies to your comments, either. Ooh! And I just realised that underscore on each side of a word makes it actually italicised:-) )

I haven't tried it, but my "tree and shrub expert" book says to plant 1ft cuttings outside in autumn – so you may be just right to get them now, or soon. You could put several cuttings in a pot, for portability to take along. Fingers crossed!

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In the end, my mum was coming by, so she took some cuttings (we've been kind of distracted with the packing!) Now, some weeks later, they're shooting forth leaves wildly, and mum said she has to keep picking fruit/flowers off them! So it's looking good:-)

And here's a reply using the reply button!

So far so good, they're still growing strong:-) I think she's about to pot them on into individual pots:-)