I have hazelnut-tree seedlings from fruit the squirrels forgot (so kind of them!). Not sure exactly how many, but around 5 or 6 at least.
Also welsh poppies (small, frilly-leaved, yellow flowers, prolific self-seeders) and violets.
Sarah's coming on Sunday, so if you live in London and would like some of these, try and let me know Monday at the latest and I can send them back down with her.
Anyone else ... the offer's still open, but you'll have to collect!