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Maple Forums on the UBC web-site

Fall Colours 2018

UBC Maple Forum - Sun, 14/04/2019 - 22:38
After what as been officialy the warmest summer in England since 1910 the trees are certainly begining to shut down now earlier than i have previously seen before , after a never ending few months of constant hot weather and even more watering than usual we are now begining to see some interesting colours starting to appear on numerous cultivars , even one's that are usually plain are showing signs of colouring at this early stage.

The nights are getting shorter and cooler now and the...

Fall Colours 2018

Maple Society OSI: Introducing Paper Links

UBC Maple Forum - Sat, 13/04/2019 - 10:47
Hi,

Part of the original Open Science Initiative concept was to maintain a listing of Maple-related papers that are available as open science on the vast interweb. There are lots, so I've started with a few and hope folks will both contribute links and that I'll have time to put more up. The existing links are from various sources including one I snitched from our own @JT1 and found very interesting.

Most are scientific papers of interest to botanists, but there are...

Maple Society OSI: Introducing Paper Links

Variegated pink on red called 'Lileeane's Jewel'

UBC Maple Forum - Sat, 13/04/2019 - 03:50
I found a maple called Lileeanne's Jewel on ebay. The picture shows it has pink and white variegation all over red leaf. How do you think it would grow in Southern California? How rare is this type?

what is this tree called

UBC Maple Forum - Mon, 08/04/2019 - 16:40
hello again

can you please help me identify this tree

thank you
View attachment 164138

grafted or propagated ?

UBC Maple Forum - Tue, 02/04/2019 - 15:50
I all.
We recently found in nursery new sort of young Acer .
Do you think these two young maples are grafted ?
Or are they propagated ?
Thanks.

Maple Society OSI: Maples of Iturraran, Section Oblonga

UBC Maple Forum - Sat, 30/03/2019 - 13:51
Continuing our series on maples of the wonderful Iturraran Botanical Garden the Maple Society OSI is delighted present: The Maples of Iturraran Botanical Garden: Acer Section Oblonga, by Paco Garin. This group includes well-known Trident Maple. The article is in English, Spanish and French.

Continuando nuestra serie sobre los arces del maravilloso Jardín Botánico de Iturraran, The Maple Society OSI se complace en presentar : Los Arces del Jardín Botánico de Iturraran : Acer Sección...

Maple Society OSI: Maples of Iturraran, Section Oblonga

Bugs, Please Help

UBC Maple Forum - Thu, 28/03/2019 - 23:53
My trees are leafing out and I’ve noticed a little bug on my shishigashiras. Any idea what it is and how should I remove them? They seem to be getting tended to by small black flies.

Thanks in advance.

Koto no ito maple companion?

UBC Maple Forum - Tue, 26/03/2019 - 01:17
Question. Does anybody have a recommendation for a nice red Maple that would make for a nice companion for Koto no ito? I planted koto no ito toward the front of my property last year and now have decided I want to plant a red maple behind it and maybe a 3rd yet to be chosen small tree to its front left (when viewed from the street). Koto no ito is yellow green with very thin leaves so I’m thinking my best choice might be a wider leafed red maple.

I’m in zone 6/7NJ and the tree would get...

Koto no ito maple companion?

Acer with horizontal growth pattern

UBC Maple Forum - Sat, 23/03/2019 - 02:35
When this young maple germinated in my garden 4 or 5 years ago, the only other Japanese maples in the neighbourhood (ie. my garden) were:

Acer palmatum dissectum ‘Orangeola’ (very new and not close to where I found the seedling)
Acer palmatum ‘Osakazuki’
Acer palmatum var. atropurpureum 'Bloodgood'

Do Acer palmatum seedlings sometimes have a naturally horizontal tendency like this?

It has nicely shaped leaves – not dissected.

Anyone grafting this year?

UBC Maple Forum - Thu, 21/03/2019 - 16:26
Hi, has anyone done some grafting this spring?

Pests on my Japanese maple

UBC Maple Forum - Wed, 20/03/2019 - 22:10
Hi there. I'm new to this forum and maple keeping. My wife and I sadly lost a baby a couple of months ago and to remember our loss we bought a red Japanese mapple. So the tree has great centimental value to us so want to give it the best care possible.

It looks as though it is just about to show its leaves but on inspection each little bud is covered in bugs. I want to make sure they wont harm the tree and if they will remove them.

Can someone help identify the pests and suggest a...

Pests on my Japanese maple

Maple Society OSI: Peter Gregory's Acer distylum Profile: po polsku!

UBC Maple Forum - Sat, 16/03/2019 - 19:06
The Maple Society OSI z dumą prezentuje pierwsze z serii polskich tłumaczeń opisów klonów Peter’a Gregory’ego, w tłumaczeniu Mateusza Korbika.

Opis Acer distylum można znaleźć pod linkiem: Open Science at the Maple Society | The Maple Society

Dziękujemy!

The Maple Society OSI is very proud to present the first in a series of Polish translations of Peter Gregory's Maple Profiles, by Matteusz Korbik. The Polish horticultural...

Maple Society OSI: Peter Gregory's Acer distylum Profile: po polsku!

Slow Release Fertilizer for Containerized Japanese Maples

UBC Maple Forum - Thu, 14/03/2019 - 05:49
Hello,

I bought some slow release fertilizer from my local bonsai shop and they recommend 1 tbsp per gallon of the container. I have some 19" cubes for containers which come out to about 3.96 cubic feet per container. 3.96 cubic feet converts to about 29.6 gallons per container. Do I really need 29.6 tbsp of slow release fertilizer per container? That seems like a lot considering the actual root mass of the trees are probably half that. They are wide but not that deep, if that makes sense....

Slow Release Fertilizer for Containerized Japanese Maples

Maple tree in Vancouver in Early May

UBC Maple Forum - Tue, 12/03/2019 - 00:58
Palmate leaves with silky catkin-like flower arrangement

Acer palmatum 'Dissectum Variegatum'

UBC Maple Forum - Mon, 11/03/2019 - 19:50
For some years I have been growing this and a pretty similar variety called 'Toyama Nishiki'. To say they have a weeping habit is an understatement: these guys are terminally depressed! When we moved them to our present garden we tried to make them a little more upright by angling the stems back slightly in planting: they have responded by growing downwards at an even steeper angle. One is still in the ground but the other is in a tall pot simply to give it some height down which to tumble....

Acer palmatum 'Dissectum Variegatum'

Online collection of maple photos and information

UBC Maple Forum - Sat, 09/03/2019 - 19:45
I wanted to share a great collection of photos and information on maple species.

Future Plants by Randy Stewart: January 2014

The robust collection of photos are taken of individual specimen from a variety of arboretum around N. America and organized by species. This is in a blog format by Randy Stewart. Called Future Plants by Randy Stewart. The blog post is Old World Maples 1/7/2014. Note, this does not cover Acer...

Online collection of maple photos and information

Mocha Rose Big Leaf cold hardiness

UBC Maple Forum - Tue, 05/03/2019 - 22:08
I have been looking at Acer macrophyllum Mocha Rose on the internet. Sites are giving mixed info on what climate zone it can live in. Anywhere between 5a and 7 are whats being shown. I'm located in the 5b zone. Has anyone successfully wintered this tree in 5b or colder?

Questions about Amagi Shigure

UBC Maple Forum - Mon, 04/03/2019 - 22:56
Hi, I am interested in this Japanese Maple but I read some posts that this tree might be difficult to grow. Is this true? I would like to know if anyone is growing this tree successfully? Or would it be better to go with a different Japanese Maple like Kasagi Yama or something similar?

Thanks

Timing of root pruning

UBC Maple Forum - Wed, 27/02/2019 - 17:22
Hi all, hope everyone is doing well.

I have several maples I summer grafted in July of 2017. The rootstock had very stout root systems, and I’m certain are quite rootbound at this point. What time of year would be best to undertake this task?

Thanks,
Kyle

Maple Society OSI: Peter Gregory's Acer henryi Profile

UBC Maple Forum - Tue, 26/02/2019 - 19:17
As we head for spring the Open Science Initiative (OSI) is pleased to publish Peter Gregory's Acer henryi Pax (1889) profile, with photographs by Hugh Angus. Henry's Maple is known for its unusual fall colors and rich green untoothed leaves. Although common in its native range, this versatile maple is rare in cultivation.
View attachment 163119
Check it out at

Open Science at the Maple Society | The Maple Society

This is the next...

Maple Society OSI: Peter Gregory's Acer henryi Profile

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