Plant & Weed ID Megathread

Would whoever gave you the trees have any idea?

Guelder Rose is not implausible, but the more I go back and look again at the OP's photograph the more I'm convinced they are Sycamore. I've pulled up just so many that its a gut feeling. But wouldn't be the first time I was wrong.

Guelder Rose twig (not a seedling) - from https://www.saps.org.uk/trees/list.htm

The problem here is that most if not all the pictures you can find via google are of buds on mature twigs which differ somewhat from the seedlings.

I'd be surprised if the flowers continued to be white if you went on to grow the currant cuttings into normally grown plants. Pigment production for the flowers I'd guess has just been shut down in the plants pictured due to the abnormal growth conditions they are in and once they are returned to a more normal physiological setting of growing with roots, stems and leaves and plants settled in soil, the pigment producing enzyme pathways would once again be active and produce the flower colour pigments that help give the plants their normal flower colour. As far as I understand plant genetics, mutation to make the flowers in multiple cuttings now genetically devoid of colour simply from the process of taking cuttings would be highly unlikely.

I have a rule that I never pull a 'weed' until I can identify it. After a few years you get to learn to identify weed seedlings fairly well.

I'd hazard a guess that it might be a willow of some kind?

Cancel that thinking about it then checking outside with a torch I can be more positive more likely an Alder. Probably Alnus Glutinosa?

Yeah might not suit a small urban garden…(from Tree Council of Ireland website)