It's possibly from something rather 'large', so it'll depend on how you feel about it. You can certainly lift it and pot it up. Many people have had sycamore/field maple seedlings this year. It could be from one of those from last year, and therefore pretty large for an average garden, especially if left in situ.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Are the leaves similar? It does look quite special. My sister has a beautiful Acer palmatum 'Atropurpureum' which self seeds - I am now the doting owner of a little 9" high potted youngster 🙂
'If you have a garden and a library, you have everything you need.'
It may well be from that @Copperdog. Pot it up and see what happens. Most Acers are grafted onto more vigorous rootstocks as they're pretty slow growing, but you never know - it could be quite nice, and if it does turn out to be too big, you can always prune it. Nothing here is that far advanced in terms of foliage - they're just sprouting and producing a little bit of identifiable foliage, so it's hard for me to judge how far on that is for the time of year.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Pot it up, or transplant it to a suitable spot in the garden.
I sow seedlings from my own Japanese maples and also collect seed from a local arboretum. They are said to need stratifying, so I sow when fresh and leave outside for the frost to do its work. I bring them in to germinate in the spring, and usually get good germination.
They make nice plants, but they don't have the range of varieties represented by their parents.
location: Surrey Hills, England, ex-woodland acidic sand. "Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
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Many people have had sycamore/field maple seedlings this year. It could be from one of those from last year, and therefore pretty large for an average garden, especially if left in situ.
I live in west central Scotland - not where that photo is...
Most Acers are grafted onto more vigorous rootstocks as they're pretty slow growing, but you never know - it could be quite nice, and if it does turn out to be too big, you can always prune it.
Nothing here is that far advanced in terms of foliage - they're just sprouting and producing a little bit of identifiable foliage, so it's hard for me to judge how far on that is for the time of year.
I live in west central Scotland - not where that photo is...
In the sticks near Peterborough
When you don't even know who's in the team
S.Yorkshire/Derbyshire border
I sow seedlings from my own Japanese maples and also collect seed from a local arboretum. They are said to need stratifying, so I sow when fresh and leave outside for the frost to do its work. I bring them in to germinate in the spring, and usually get good germination.
They make nice plants, but they don't have the range of varieties represented by their parents.
"Have nothing in your garden that you don't know to be useful, or believe to be beautiful."