Which started to grow:
And grow:
And (after some time, fertiliser and neglect) grew even more: I think I started with 20 or so acorns, 10 rotted in the seed tray I was using, of the remaining 10, 6 or 7 germinated and then I've lost one somewhere...

You're not wrong there! I just wish more of them were successful.
Shibui mentioned in a separate thread that the end of autumn is when you start collecting seed and acorns.Miikeboyle wrote: ↑February 7th, 2020, 5:51 am When is the best time to collect acorns and will they be on the ground or still up in the tree?