Acer palmatum 'Ueno yama'

Discussion in 'Acer palmatum cultivars (photos)' started by mapledia, Apr 18, 2007.

  1. mapledia

    mapledia Active Member

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    This is a light-colored spring addition to the garden which provides a fresh pure yellow color. At least in my garden, it's leaves are identical to Ueno Homare's except that Ueno Yama's are larger at 6 cm. This photo was taken April 15, 2007. Ueno Yama and Ueno Homare are presented best with a background of conifers (redwoods, mugos, etc.) and rhodies. They will certainly brighten up the landscape and I'm surprised I don't see them more often in maple gardens.
     

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  2. krautz33

    krautz33 Active Member 10 Years

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    Great color in spring. Like katsua
     

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  3. winterhaven

    winterhaven Active Member Maple Society 10 Years

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    Ueno yama came up in another thread and when I looked here, I was surprised to see how little has been written about this tree.

    So while I'm not an expert, I'll chime in with my observations.

    From what I've seen, it lies somewhere between Katsura and Orange Dream. As with Orange Dream, I want it in enough sun that it colors properly after the first flush of orange. In the right location mine holds onto its yellow longer than Katsura and in the summertime is a very limey green. Not as bright as Orange Dream (when in the right spot) but brighter than Katsura.

    However, too much sun and the leaves will scorch. I know "too much" is a relative term and frustrating, but with this tree I'd advise fiddling with it. Give it just enough that it almost scorches. Some have mentioned they keep theirs where it scorches in order to get full color and just live with the sun damage. I tried that one year and lost a good portion of the crown. So be mindful when pushing the tree's limits.

    All but one images are of Ueno yama and the third image is of Katsura (the shorter, bushier tree). I took a bunch of photos of Orange Dream, Katsura, and Ueno yama on the same day. Regrettably, it seems I didn't label them. But the fact that I can't tell the close ups of leaves apart in that group of pictures drives home the point that in the spring, they're very similar.
     

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    Last edited: Mar 18, 2011
  4. mattlwfowler

    mattlwfowler Active Member Maple Society

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    I would personally put Ueno yama a little closer to Katsura than Orange dream, but I agree it is intermediate. I have kept my orange dream and ueno yama in full sun all day until about 3 pm and that seems to be the limit before severe burning occurs in my area. Orange dream has not held up in sun nearly as well, only a couple of hours of direct will damage it by mid summer.
     
  5. Gomero

    Gomero Well-Known Member Maple Society 10 Years

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    There is a big difference between 'Katsura' and all other Spring yellowed cultivars (including 'Ueno yama' but excluding 'Akane' which is also early leafer but much smaller and very orange at first): it leafs out first, well ahead of the others. For about 2 weeks 'Katsura' is the king of the garden, no competition. When 'Ueno yama' is at its best there are many others competing from attention, including 'Orange Dream' which, for me, has better colors than 'Ueno yama'. I think all maple enthusiasts must have a 'Katsura' in their garden.

    Gomero
     
  6. maf

    maf Generous Contributor Maple Society 10 Years

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    Very true.

    I was wondering when 'Ueno yama' leafed out in relation to 'Katsura', 'Orange Dream' and the others so thanks for the information.
     
  7. mattlwfowler

    mattlwfowler Active Member Maple Society

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    I have not had that much span of leaf out difference with my maples. Ueno yama leafs out about 3 to 4 days later than katsura for me on average, but most of my maples have been in containers and I know that can alter it. I don't have all of my notes with me, but in 2009 katsura opened first on march 15, and ueno yama and shishigashira were out by the 17th of march (along with a couple of other early dwarfs). Circinatum Monroe and Shirasawanum Moonrise were last on the 3rd of April. If memory serves me right, ueno yama and the early dwarfs were a few days later than katsura, but not nearly as late as orange dream.
     
  8. winterhaven

    winterhaven Active Member Maple Society 10 Years

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    That jibes with my recollection as well. Just going from memory, my Ueno yama leafed out within a week of my Katsura. They were both in the ground and both in very similar growing conditions. They were only about 20 feet apart from each other. But come to think of it, I had moved the Ueno yama the previous year while it was out of leaf. That may have thrown things off. And I moved it again this year to more sun so now it will have a fresh move and a different microclimate from the Katsura. But, even so, I will endeavor to keep track of things better this year.

    I will say that I don't recall ever seeing the clear yellow displayed in mapledia's post on my own tree. But maybe that's just faulty memory. It's been awhile since I've had it in any great deal of sun.
     
    Last edited: Jan 10, 2011
  9. maf

    maf Generous Contributor Maple Society 10 Years

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    In my garden I usually have a 10-14 day window where the only palmatums in leaf are 'Katsura' and the 'Kiyohime' types and maybe some other dwarves. Then come the corallinum group maples and 'Orange Dream' etc., but the "king" and the princesses do have the stage to themselves for the best part of two weeks.

    -

    Some sources (eg Japanese Maples 4th ed.) have 'Ueno yama' listed as a synonym for 'Ueno homare'. Anyone have any thoughts on that?
     
  10. mr.shep

    mr.shep Well-Known Member 10 Years

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    The European form of Ueno yama is more
    of a golden yellow in the Spring. The Japanese
    version of Ueno yama is more of a golden
    orange color as it is emerging of which the
    orange overtone soon fades to a bright yellow
    by the time the leaves are fully expanded in
    the Spring.

    I know of some older trees of Katsura
    that are knockouts in the early Spring.
    No argument from me in regards to how
    well this Maple is revered by its Spring
    color showing. Then again the orange
    overtone coloration as the leaves are
    emerging is perhaps the best for this
    golden orange color series of Maples.

    The rust orange coloration in the Spring
    emergence of Ueno homare and more
    recently Calico are quite a pleasant
    sight as well but overall for the early
    emerging green leaf Spring palmatum
    types, it is hard to beat the coloration
    of Katsura and Kiyohime akame.

    [For us, we have four forms of
    Kiyohime that start their leafing
    out process about a week before
    our Katsura do. The last two
    years all of the Kiyohime and
    Katsura were emerging by mid
    February. As a matter of fact
    our Kiyohime akame which
    did not drop its Fall leaves until
    mid December has buds that
    are starting to swell a little
    already this year. A Winter
    freeze that is perhaps overdue
    will abate this bud swell rather
    suddenly however.]

    We have to remind ourselves that
    there are orange color variants
    that all pretty much leaf out
    earlier than so many others
    in the palmatum type Maples.

    Golden yellow with orange
    overtone with reddish bronze
    leaf edging is the old standard
    palmatum Aureum. Golden
    orange with reddish bronze
    leaf edges is Katsura. Golden
    yellow with little orange overtone
    with reddish bronze edging
    is Ueno yama and Ueno
    yatsubusa. Burnt orange,
    rust color, with reddish
    bronze edging is Ueno
    homare and Burnt orange,
    rust color, without the reddish
    bronze edging is Calico.

    I agree with mapledia that
    both the Japanese and
    European forms of Ueno
    yama have slightly larger
    sized Spring growth leaves
    than Ueno homare has.

    Of this orange color to
    orange overtone series
    of Maples, Orange Dream
    should have by far the
    largest sized leaves, once
    the leaves have fully
    expanded of this early
    Spring leaf out group.

    Jim
     
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  11. Gomero

    Gomero Well-Known Member Maple Society 10 Years

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    Nice and complete explanation as usual, Jim.

    I've thought that to have a useful thread it would be nice to have the picture of leaves together.
    First two pics are Katsura at leaf out (which in my garden varies between mid to end March depending on the winter), there are 3 days difference between the two pictures shown. The third one is Ueno yama which leafs out between early to mid April in my garden and the fourth one Ueno homare, with the same leaf out period as Ueno yama, but shows more green than the others, maybe because is not true to type or because is in a much shadier position than the others. Last pic is Orange Dream at leaf out which usually takes place about one week after Katsura and one week before the Uenos.

    Gomero
     

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  12. amazingmaples

    amazingmaples Well-Known Member 10 Years

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    I have three of them, two of them look pretty beat up. This one has been in a shady location and looks good This is the color in the end of July 2011. The tree which were in more sunny locations have a yellow colored leaf.
     

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  13. amazingmaples

    amazingmaples Well-Known Member 10 Years

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    the tree is now starting to show fall colors
     

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  14. amazingmaples

    amazingmaples Well-Known Member 10 Years

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    Here is my new Ueno yama. I added photos of the tree after it got a hair cut.
     

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    Last edited: Apr 15, 2012
  15. maplesandpaws

    maplesandpaws Active Member

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    I love the springs colors on this one :)
     

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  16. marymyers

    marymyers Active Member Maple Society

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    It was fun reading this thread started in 2011. Is it still the opinion that Ueno yama and Ueno homare are distinctly different trees? Thanks for any insight.
    Mary
     
  17. maplesandpaws

    maplesandpaws Active Member

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    Lovely tree from Diana (Topiary Gardens).
     

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  18. maplesandpaws

    maplesandpaws Active Member

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    Early one to leaf out.
     

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  19. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    17th August 2020, now three days of heavy rain and my trees are picking up at last.
    My first posting of my Ueno yama as it's very young, but I thought it deserved a run out.
    No problems in the heat, so showing it's a strong cultivar.
     

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  20. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    26th September 2020 when all around is doom and gloom, some maples are still showing new growth however cold it is. And my Ueno yama has both.
     

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  21. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    7th October 2020 and my maples are either turning to Autumn colours, or have new Spring like growth or the leaves are just ready to drop. Such a strange year.
    I was asked about my Ueno yama a few days ago but forgot to post it. Tbh little has changed, but here it is.
     

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  22. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    31st October 2020 and my Ueno yama has turned so well I added two photos. Once again the greens dazzle.
     

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  23. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    The start of another year of colour from wonderful maples. Today the 30th March 2021, it is bright and getting warmer by the minute, so the close up of my Ueno yama buds was a must for posterity on this forum IMO.
    Ueno yama 714.JPG
     
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  24. Luke’s Maples

    Luke’s Maples Generous Contributor

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    D, I can’t believe how bright mine are right now. They are glowing as they begin to open
     

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  25. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    What a great time for we maple lovers. So exciting !!
     
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