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Maple Forums on the UBC web-site

Which maple should I choose?

UBC Maple Forum - Mon, 20/08/2018 - 02:57
It's hard to monitor this forum without becoming more interested in Japanese Maples. So far, I have Bloodgood, Osakazuki, Seiryu, Orangeola, and Waterfall (dispensing with genus and species). Now, I want more! The growing conditions here are not ideal so I'm looking at smaller varieties which could, if necessary, be happy in containers. Two that appeal to me are Acer palmatum 'Matsukaze' and Acer shirasawanum 'Sensu'. If availability is not an issue, I am interested in...

Which maple should I choose?

Rust question

UBC Maple Forum - Sun, 19/08/2018 - 17:31
It has been a very wet summer and I noticed something new that has completely consumed this tree. Any idea what it is and, if so, what I should do about it (if anything)?

Japanese maple leaf desiccation.

UBC Maple Forum - Fri, 17/08/2018 - 02:46
I'm freaking out and in total melt down mode. My Mon zukushi that was fine just 2 days ago has a whole section today where the leaves have completely dried out. Photos of the tree are attached. This Mon zukushi is my best specimen tree so you can imagine my panic. Any advice about what you think is happening, and what I should do about it? Any assistance will be deeply appreciated. Thank you!

Defoliation question

UBC Maple Forum - Sun, 12/08/2018 - 22:21
Hi everyone I had a few questions on defoliation.

I have a Matsukazi JM in which I decided to put into the ground, it didn’t like the location. I pulled it back up and repotted it back to the previous location. I removed all the leaves as they were on their way out anyway. This was a months ago?

It is still alive and is just now sprouting out new buds (VERY SLOWLY)

My question is, being August is this too late for this tree to be doing this? I am worried as this is one of my favorite trees.

North American Branch of Maple Society Meeting October 19-21, 2018

UBC Maple Forum - Tue, 07/08/2018 - 05:24
Here is a link talking about the annual fall meeting of the North American Branch of the Maple Society. This years meeting will be in New England (Conneticut and Massachusetts) on October 19-21. More information at the link below:

Maple Society Meeting 2018 - Autumn in New England - Oct 19-21

Need a source for autumn moon, fireglow and glowing embers seed

UBC Maple Forum - Mon, 06/08/2018 - 22:12
Anywhere online or anyone here have seeds that I can buy or cover shipping for? I know they won't be exact thats fine.

Maple Society OSI: Peter Gregory's Acer capillipes

UBC Maple Forum - Mon, 06/08/2018 - 19:21
This month the Open Science Initiative (OSI) of The Maple Society is publishing Peter Gregory's Acer capillipes profi
le, with photographs by Hugh Angus. The beautiful Kyushu or Hair-foot Japanese Maple is surely one of the best of th
e Snake Barks. Check it out at

Open Science at the Maple Society | The Maple Society

This is the next in an exciting OSI series featuring Peter's maple profiles. Coming soon (I promise): Acer...

Maple Society OSI: Peter Gregory's Acer capillipes

Bark splitting in Japanese Maple

UBC Maple Forum - Sat, 04/08/2018 - 18:27
I am currently living in Toronto, Canada.
I have a dwarf Red Dragon Japanese Maple planted in the front yard and it has been doing good, healthy for the last 3 years until yesterday I started to notice that the bark starting to peel or splitting off the trunk. I am just wondering what is happening to it?
One thing is we did have a very harsh winter last year and a stretch of 4-5 days when the temperatures were hovering above 38 celcius this summer but the tree seems ok in the spring until...

Bark splitting in Japanese Maple

Split in bark of Japenese Maple

UBC Maple Forum - Sat, 04/08/2018 - 18:27
I moved this tree in 2010; and watered it weekly until last summer with a soaker hose. Last summer, I assumed it was established, and started to give it just a light watering about every other day. Our summer here, was very hot and dry, and in August some of the leaves started to look distressed and sun scorched .

When I crawled under its branches to reinstall the soaker hose I noticed the split in the bark for the first time. I'm sure this split wasn't there before the year's foliage...

Split in bark of Japenese Maple

help with maple

UBC Maple Forum - Thu, 02/08/2018 - 21:29
Please help me with my Acer? It looks unwell??

need help identifying what type of maple tree

UBC Maple Forum - Wed, 01/08/2018 - 05:47
I pass this tree everyday and I really like it. I think it's a maple tree but not sure what type. Can someone help identify? Thanks!

Japanese Maple Stem Problem. Please help.

UBC Maple Forum - Wed, 01/08/2018 - 04:39
Hi,

I have just moved in 6 months ago and I noticed one of the branches of my Japanese maple tree is drying so I cut the branch off. (pic 1) Later, I noticed the wood feels kind of soft but the wood under it feels alright. I removed the soft part of the bark (pic2).

I asked the local nursery and they asked me to cut off parts of the stem to prevent any potential spread of disease. I am not sure whether I want to do that yet. Please advise on why the wood could be soft. Do I need to do a...

Japanese Maple Stem Problem. Please help.

Oridono Nishiki

UBC Maple Forum - Sun, 29/07/2018 - 18:22
It happens i have a new issue with this tree, which i've been growing on my deck for about 12-13 years. There is a lighter center area where each seems to be lacking green. There is the usual crisping up top, but more than in previous years. We are having a dry hot summer but no more so than the previous 3 years. I'm wondering if anybody can talk about this, especially the center of leaves lightening up? Thanks.

Good spot for autumn moon

UBC Maple Forum - Sun, 29/07/2018 - 12:15
I'm in Alabama. My yard has alot of sun and not very much shade. The best spot I can find are either next to the house where it will get sun till about 3-4 pm but doesn't cover the whole tree till about 430-5. There is a spot that gets dappled afternoon shade but it's still about the same time frame. I have a nice flower bed with nice soil but it's in all day sun. What do y'all recommend?

Pruning JM’s?

UBC Maple Forum - Fri, 27/07/2018 - 12:20
Hello, I was thinking about pruning some JMs and was wondering about a good method for pruning, with that question in mind, I would also like to ask the opposite; is it ok to just let them (almost) go with very little pruning? I sometimes enjoy their natural form thats created on their own. I was going through videos and came across a video with a pruning concept that made me curious if Its a legitimate pruning method. Based off of the video, what I get from it is that this particular guy is...

Pruning JM’s?

Please help me identify this tree

UBC Maple Forum - Tue, 24/07/2018 - 22:05
Sorry for the poor quality of the pics, but there was too much sun for my smartphone.
The tree was photographed near Vinci, Leonardo's birthplace, in zone 8b/9a (actually 9a but there is a frost pocket in the immediate neighborhood, due to orography).
I've never seen such a tree in my area, I think it could be a palmately lobed-leaves cultivar of some more common plant. When I had seen it for the first time, I thought it could be Larix kaempferi or Schinus molle, but it's...

Please help me identify this tree

acer palmatum 'Koto No Ito'

UBC Maple Forum - Mon, 23/07/2018 - 02:35
Brand new to this thread and trying to get a photo on. The top 2" of this new little tree has sprouted huge leaves, and i'm wondering if I should take them off or leave them on. I know the ends of each branch have more complete leaves, but these are the full deal.. ..

Advice for bad under stock?

UBC Maple Forum - Sat, 21/07/2018 - 16:11
I wonder if anyone can offer some advice on how to clean this up.

This is a graft of Acer tenellum, the Delicate Leaved Maple, which I purchased in 2011. It is grafted on platanoides. Over the years, the graft has lived but never grown much, and the understock has consistently put out buds -- and sometimes leaves if I don't rub the buds off fast enough -- until it has the growths that you see in the pictures, taken one from each side of the understock.

The understock had been pruned in...

Advice for bad under stock?

Recommended fertilizer for this time of year?

UBC Maple Forum - Fri, 20/07/2018 - 05:01
Hi, What type of Fertilizer do you recommend for containerized Japanese Maples in July?
Thanks

Maple Society Open Science: New Acer Vegetative Key

UBC Maple Forum - Mon, 16/07/2018 - 22:07
In a collaboration between the University of Ghent and Westonbirt Arboretum, Jan de Langhe and Dan Crowley revisited the vegetative key to the species Acer. Published 24 January, 2018. This update is brought to you by the Maple Society.

Open Science at the Maple Society | The Maple Society

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