A mast year refers to the periodic surge in production of hard mast (nuts and other seeds). Oaks and other nut-bearing trees such as hickories and beech can produce a moderate amount of nuts regularly for between 2 to 12 years
Thanks all for the responses. Am I right in assuming that they can be pricked out and re-potted? It's a school, so could plant them elsewhere if this was the case.
All these years I've been disposing of the hundreds of sycamore seedlings, and never once considered they that I might pot any of them on. Thank you for the idea. I know they are a nuisance, but I'll see if I can succeed in growing small trees. If so, and I don't want them, I can always dispose of them.
It could be field maple. One self-seeded itself behind another large shrub. When we took out the large shrub, there it was, too well established to dig out so I let it stay as I like the leaves and I just prune it a lot to prevent it becoming the tree it wants to be.
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A mast year refers to the periodic surge in production of hard mast (nuts and other seeds). Oaks and other nut-bearing trees such as hickories and beech can produce a moderate amount of nuts regularly for between 2 to 12 years
"Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
https://www.woodlandtrust.org.uk/blog/2020/10/what-is-a-mast-year/
Thank you for the idea.
I know they are a nuisance, but I'll see if I can succeed in growing small trees. If so, and I don't want them, I can always dispose of them.