Help with Shishigashira

Lol. For a zen hobby folks seem to be a little edgy. I, like anyone who picks up bonsai, understand these are long term projects. Personally, I tend to be obsessive and go down the rabbit hole so before I ask a question there was at least a modicum of effort (more likely hours) to find an answer myself and otherwise educate myself.
I have only a few maples. Some are in The ground and will remain there basically untouched for years to come to allow the trunks to develop. Another is on a tile in a grow box. Yet others will get a trunk chop come spring. I have permission to air layer an array of cultivars and my sons (they got me into this craziness) have their own elms, pines and (dare I say) portulacaria. Not much to do now, but I will have my hands full come spring.
The shishigashira was an impulse buy. I don’t have to do anything with him as he looks beautiful as is where is. The ultimate plan however is to have the part where it splits become the base (seems like a ground layer at some point).
If this was a big box maple that I wanted for landscaping, I’d get him out of the pot and give his roots a nice box cut before planting him. Circling/girdling root problems basically solved. But this isn’t intended to be a landscaping tree.
If I didn’t want any air layers, in the early spring I’d heavily prune the roots AND do a heavy branch pruning.
Here, I do want air layers, especially of branches that are rather thick and developed. I’d also like to layer off the root stock. I understand that I can’t layer off the root stock and take air layers at the same time. The ground layer will need to wait.
All that said, I still have a massive tree sitting in a 15 gallon pot that probably hasn’t been reported in years and instead additional soil was added to the top year after year, burying this bad boy.
My knee jerk reaction, which can be totally off (that’s why I turn to the folks on Bonsai Nut), is that roots and soil come first. I now understand that, even though this guy has a giant established root system, I cannot repot him with a root prune AND then start the air layers.
Assuming I want air layers before I chop him down and want to ultimately layer off the root stock, would the best place to start with this tree be to deal with the roots and simply wait on the air layers for another year?
just looking for advice/best practices from those who can help shorten the learning curve.
 
Also, I would have figured that getting a good look at the whole tree would be a first step. With a buried trunk, its impossible to see how big the tree really is, its shape/movement and otherwise see the options available for the tree. He could have a 5 inch straight skinny trunk under there with no nebari. Or it could be a nub with some nice roots. It could be on an angle and maybe that would look nice without the ground layer. I could be surprised (highly doubt it) that there is no graft. Maybe Hoffa is under there. Who the heck knows.
 
I would rather give people advice which is executable with success. People who bite off more than they can chew are less likely to continue the pursuit of bonsai than people who have early successes with what they attempt. The turnover here, and in our clubs is fairly high by my standards and I'm trying to change that.
That is certainly an admirable pursuit. You definitely don't have to lose any sleep over me. I'm not going anywhere. :cool:

Any hobby worth doing long-term is going to give you some knocks along the way. It's when you conquer the difficulties that the true rewards come.
 
Agree 100%. As a person of many interests I can attest to the attrition rate in most pursuits. There should be no doubt that the pursuit of excellence in any field will require failures and setbacks, but easily avoidable failures can be avoided with a little guidance from those with experience. I also can attest to the fact that a little bit of knowledge is a dangerous thing. Given the long time frame of bonsai projects, it's really a shame to ruin a tree in development because one overlooked an axiomatic rule of horticulture. Or having developed a tree for years only to finally realize something should have been done years ago and was not. In my jiu jitsu days, I was always awed by the patience and guidance of those with a lifetime of experience. These were professional/amateur fighters with decades of experience. They were always inundated with the white-belt newbie questions and more than happy to get on the mat and demonstrate. Although a black belt could kill someone with his bare hands, these instructors never broke a newbie's bone or even gave him sass for hearing the same kind of stupid "I'll try to submit my opponent from his closed guard". If he understood why this question was stupid he would not have asked. With about 30 seconds in his closed guard he will understand without having to make that mistake in an actual fight.
 
My plan as of now is to leave him in buried pot for the winter. Come spring I will repot him and give him a good root pruning and excavate the trunk out of the prison its currently in. He'll probably stay like this until the following year when I start taking air layers (although I'm fairly convinced a few smaller air layers would do just fine even after the pruning). Year three I'll start with the ground layers (and bother y'all then).
 
My plan as of now is to leave him in buried pot for the winter. Come spring I will repot him and give him a good root pruning and excavate the trunk out of the prison its currently in. He'll probably stay like this until the following year when I start taking air layers (although I'm fairly convinced a few smaller air layers would do just fine even after the pruning). Year three I'll start with the ground layers (and bother y'all then).
I have one I got this summer, still in nursery pot. I have pretty much the same exact plan as you. 😉
 
Best thing out of this whole thread for me was discovering this concept of ground layering. Any thoughts/advice on how this is done would be appreciated. Not sure if I create a girdle around the base like a regular air layer or carve out multiple smaller squares from which new roots would grow.
 
Best thing out of this whole thread for me was discovering this concept of ground layering. Any thoughts/advice on how this is done would be appreciated. Not sure if I create a girdle around the base like a regular air layer or carve out multiple smaller squares from which new roots would grow.

it’s identical an air layer, just lower on the tree

In the link i sent you above, i did a ground layer

edit: had one in my stories today too by coincidence @dbonsaiw this one was done over 2 years, but it can be achieved in as little as 6-8 weeks. With Shishigashira, i give it 3-12months
 

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it’s identical an air layer, just lower on the tree

In the link i sent you above, i did a ground layer

edit: had one in my stories today too by coincidence @dbonsaiw this one was done over 2 years, but it can be achieved in as little as 6-8 weeks. With Shishigashira, i give it 3-12months
Has this ground layer also been thread grafted previously? the lowest 2- 3 branches look a lot like thread grafts!!
 
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