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Maple Forums on the UBC web-site

2019 seedlings

UBC Maple Forum - Thu, 04/06/2020 - 07:36
The two on the left are from the 2018 MS seeds exchange, I put those that didn't germinate in a pot in 2019 and I got these. The others were collected from various trees in a local arboretum but I couldn't label them, and anyway they don't look like the ones I saw there as far as I can remember :

View attachment 179683

Two more, UBC and local arboretum :

View attachment 179684

I have a couple of dozen more, A. tataricum - easy to identify, A. palmatum, more or less like the plain...

2019 seedlings

Acer circinatum not on Vancouver Island?

UBC Maple Forum - Wed, 03/06/2020 - 21:19
0soyoung said: I have one planted in my landscape that seeds prolificallyClick to expand... Does anyone know why Acer circinatum is almost non-existant on Vancouver Island? If you look on this E-Flora BC map, you can see that it grows prolifically on the BC mainland and in Washington State - but hardly at all on VI. I brought one with me when I moved to to the Island 14 years ago which has grown tall but never produces seeds. Very strange, wouldn't you agree?...

Acer circinatum not on Vancouver Island?


UBC Maple Forum - Mon, 01/06/2020 - 20:42
I purchased this tree on the weekend, it’s got very well established nebari, trunk is 5.5cm and root flare 10cm.It’s in a 15 litre pot, which is clearly too small. Whilst I often leave trees in the pot they arrive in until they have gone dormant, as per standard protocol, with potential root bound trees I tend to repot straight away so that it can form good root growth over the summer, I’ve never had an issue doing this.

Thoughts welcome, it wasn't cheap I dont want to kill it!


UBC Maple Forum - Mon, 01/06/2020 - 20:21
I went to a garden center this afternoon to buy flowers for my mother's balcony and I saw several maples labelled 'Extravaganza' (with 2 "Z"s I think). I tried both spellings in the search engine and got no return.

Has anyone heard of this before ? It's a bit like 'Shirazz', Geisha (with less pink variegation on the edges from the photos posted here) and other variegated cv.s
I made a quick search and it is apparently available from RHS plants or FlorAccess (for professionals)...


Olsen's Frosted Strawberry

UBC Maple Forum - Sun, 31/05/2020 - 19:42
Superb spring colour

Any suggestions on whats wrong with my red maple

UBC Maple Forum - Sat, 30/05/2020 - 20:34
I have a 8-10 year old red maple... just started noticing that the leaves are looking like they are dieing....any one have any thoughts of what this could signs of worms or bugs and our soil is good...

Replanting on the ground of a diseased maple

UBC Maple Forum - Thu, 28/05/2020 - 05:29
I've heard from a couple of gardeners that you should never plant a maple on the same ground where another maple that had died. I would think it matters why the maple died and how long you wait to replant. Has anyone else heard of this advice? Comments?

Struggling (Unidentified) Maple...

UBC Maple Forum - Wed, 27/05/2020 - 23:49
we have a beautiful maple in our front yard that seems to be struggling compared to this time last year. leaves are curling, small white spots. images attached, any input or suggestions would be greatly appreciated! we want to do everything we can to save it.

Unidentified/Hurting Maple...

UBC Maple Forum - Wed, 27/05/2020 - 22:45
we have a beautiful maple tree in our front yard that is unidentified and seems to be struggling :( I've posted several pictures, any tips or input would be so greatly appreciated, hoping to do whatever we can to save it!

Cheering ourselves up with Maples

UBC Maple Forum - Tue, 26/05/2020 - 19:00
Hi everybody, during this difficult time for everybody around the world, it would be really nice for people on this and Maple Society forums to post a Spring photo of one or more of their Maples that are starting to leaf out. I know it would cheer me up. I will attach one of mine. Its Katsura, hope you like it.

JM Orangeola Question

UBC Maple Forum - Tue, 26/05/2020 - 18:39
Hello Maple Friends,

This is my first post here, but I figured that this would be the best community to reach out too. I have an beautiful Orangeola JM that has been growing in my yard for the past 8 years. It has a sandy soil mix and in full sun, which it has been very happy since planting it 8 years ago. Last year in the spring I noticed that i was getting a lot of dying off on the top branches. I let it be to see what it would do this year. This year I had no growth at all on the...

JM Orangeola Question

Picked up an 'Aureum' very late in the season

UBC Maple Forum - Tue, 26/05/2020 - 14:26
About a month ago I was smitten with this JM, after seeing on line pictures, many on this site of many beautiful Aureum specimens (I have no JM's of any type in my garden). I had been searching nursery after nursery the past few weeks with not much success. Well I was almost resigned to starting my search again next spring (of course it would be easy at that time of the year) and then I came across one at a nursery about an hour away from my home. I picked it up last night. I...

Picked up an 'Aureum' very late in the season

Am I overwatering or underwatering my potted Japanese Maples?

UBC Maple Forum - Sun, 24/05/2020 - 04:57
Some leaves are falling off 5 of my potted Japanese Maples. The temperature has been in the 60's every day and I've been watering them 1-2 times a week when the potting mix feels dry. Does it sound like I'm watering them too much or not enough? Thanks

New member

UBC Maple Forum - Sat, 23/05/2020 - 18:25

I'm new around here, and I wanted to introduce myself briefly. My name is Monica, and I am from Mallorca, Spain. I've been growing plants since 2006, but maples since seven years.

The Mediterranean climate is a challenge for maples. Annual temperatures in my area range from 38 degrees Celsius in summer to -1.5 degrees Celsius in the coldest month of the year. In addition, the soil is clayey, so there is no choice but to grow them in pots, with mineral substrates so that the roots...

New member

2 forms of Aka Shigitatsu Sawa being sold?

UBC Maple Forum - Sat, 23/05/2020 - 06:25
Hi, are there 2 forms of Aka Shigitatsu Sawa being sold. One with leaves that are mostly red and the other with leaves that are red and green?

The power of JM”s to recover from disease

UBC Maple Forum - Sat, 23/05/2020 - 05:57
Die back from pathogen can be rapid and often totally kills a tree. Hopefully it’s spotted before travelling to the main trunk and can be removed or the treee compartmentalises the affected branch.
Sometimes I don’t catch the disease early enough to remove the affected limb and if in the main trunk, will cut the tree down to a stump above the graft.
Here’s some pictures showing a tree just starting to bud back, another a little further along and lastly, one that had this treatment a few...

The power of JM”s to recover from disease

Japanese maple potential disease identification

UBC Maple Forum - Fri, 22/05/2020 - 22:36
Can anyone help identify this marking on my 10 yr old seiryu?

I recently pruned this branch (pic attached) because it was problematic to growth, but there is another branch still on the tree with similar spotting and still showing new growth.

drooping leaves on bloodgood maple

UBC Maple Forum - Fri, 22/05/2020 - 05:45
I have a young bloodgood maple planted two years ago. It has looked very good for two years and is about 8 ft tall . I have clay soil and think the tree may have received too much water . Instead of splaying out horizontally the leaves are hanging at about a 30 degree angle and a couple of them have curled up. Is there anything I can do for it except hope that it stops raining.

Favorite places to buy young JM

UBC Maple Forum - Fri, 22/05/2020 - 03:31
Hi all! curious about everyone's favorite places online or B&M to buy young Japanese maples. I love the variety available online but have struggled to find a website that I thought was reasonable with shipping figured into price. Most of my purchases so far have been from local nurseries when they have sales but typically plants are in pretty bad shape when they go on sale (not too many nurseries in Oklahoma USA good with JM) eager to hear everyone's options! Thanks for reading

Grafted unknown young maple

UBC Maple Forum - Wed, 20/05/2020 - 21:56
I bought this little untagged acer palmatum (I think it's acer palmatum) from a neighborhood nursery that sells maples mostly from Buchholz in Oregon. It was on sale at the end of the season in October 2017. Thought maybe it was Osakazuki but the leaves are not the same as that one. The mature leaves are a little distinctive--amoenum and the lobes are kind of club shaped. Was thinking that maybe someone would recognize them. I have only 34 maples and it matches none of them and have...

Grafted unknown young maple


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