I am not currently growing these, but they look like an interesting possibility for a border area with moist/wet soil and is p.shady. Looks like they could be invasive, due to birds seeding an area from what I quickly read on the web. There is a thread on the Far North Forum about this possibility. Google revealed quite a selection of this plant.

Nat'l Gardening honey berry link

Here is a link that might be useful: GW Far North Forum, Honey Berries

So... maybe if the birds get to them, but not in terms of their own spreading habit. Interesting.

Somehow I had the impression that the newer ones might be seedless, but I think that was in fact stating that they don't have large seeds like grapes, rather than truly seedless. :)

Thanks! You got me to revisit that incorrect impression, which helps immensely! I think it may not be worth the risk this far south of their range. Alas!