Archive for April, 2014

Major Changes for Big Larch Forest

I bought this tree in December 2012. Being an established forest, it had some nice character but also some major challenges. Besides the unsuitable pot, the forest had far too much symmetry and the branches were too “stubby”, for lack of a better word. The variation in the trunks (diameter and height) is limited,  Some of these things would be easy to correct, but others more difficult or impossible. The year 2013 was spent just growing it out and lightly pruning to develop a more elegant branch structure.

As a side note, this tree spend the entire winter out on a bench completely unprotected. This was the coldest winter in southern Ontario in over 20 years with many days in the -20 Celsius range and a few in the -30s. Fortunately there was a lot of snow and this larch was right at home.

The tree as purchased.

The tree in Spring 2013, as purchased. Some trunks are not fully visible from the original front.

The first step for this year was to wire everything. This probably took 12 hours, spread out over several days. Conifer forests just take so much wiring, it can be overwhelming.

After wiring. No branches have been placed yet.

After wiring. No branches have been placed yet. Note the number of new branches compared to the Spring 2013 image.

The next step was to plant it in a more suitable container. This slab was custom made for the forest by local potter Geoff Lloyd. One thing we neglected to think about was the front of the slab. The slab was designed for a forest pointing to the right, yet this forest obviously points to the left. As a result I ended up using the “back” of the slab as the front. It is still an attractive side, but has a slightly less interesting profile than the other side.

Intended front of the slab.

Intended front of the slab, best suited for a tree moving strongly to the right.

Back of the slab, which will actually be my front since my forest moves from left to right.

Back of the slab, which will actually be my front since my forest moves to the left.

The next step was removing the tree from the old pot and raking out the perimeter of the root ball. The bottom of the rootball was not touched at all. The perimeter needed to be raked out quite a bit so it would fit within the boundaries of the narrower new slab.

Removed from the old pot, before raking. Sorry, no post-raking pics.

Removed from the old pot, before raking. Sorry, no post-raking pics.

A muck mixture was made to mold the rootball within the contours of the new slab. The mixture was something like 2/3rds humus, 1/3rd chopped sphagnum, and a cup or two of akadama dust, plus water as needed.

Muck mix.

Dry muck mix.

After mucking the perimeter, the rootball was completely mossed. The purpose of this was mainly to prevent erosion of the freshly worked rootball, but of course there is an aesthetic benefit as well. Besides the muck, no new bonsai soil was added. The roots still have plenty of room to grow in the original root mass. Larches are perfectly happy with dense matted root balls with scant amounts of soil. It will be a long time before I need to refresh the soil again.

This picture shows the mucked perimeter (left) and the slowly progressing moss job.

This picture shows the mucked perimeter (left) and the slowly progressing moss job.

 

After repotting. Still no branch placement.

After repotting. Still no branch placement.

Now that the tree was in its new container, the branches could be placed. Many guy wires were used to reposition the trunks. Again, the goal was to give this tree a definite leftward movement. This was accomplished by pulling most of the trunks to the left and extending out the leftward growing branches while compacting those growing to the right side. I find forests to be immensely challenging as there are so many design considerations. The branches and trunks were adjusted again, and again over several sessions. I am still not 100% happy with the design but I think it is the best I could do without removing or adding trunks. That is still a future option, but for now the work is done.

Final image of the front. The farthest trunk on the right really bothers me. At one point I was very close to ripping it out. But I will take some more time to think about that.

Final image of the front. The farthest trunk on the right really bothers me. At one point I was very close to ripping it out. But I will take some more time to think about that. The tallest tree is 74 cm and the slab is 80 cm long.

View of the left side.

View of the left side.

Back.

Back.

Spring 2013 vs. Spring 2014

Spring 2013 vs. Spring 2014

 

Thanks for reading. Don’t acquire too many forests if you value your sanity!

 

 


New Pot for Potentilla fruiticosa

Quite a flamboyant choice. Perhaps too flamboyant? Well, it technically is a flowering tree… although it certainly doesn’t carry that presence.

Regardless, I find it a fun change.

New pot by Heian Kosen

New pot by Heian Kosen

 

Old Yamaaki pot. This pot couldn't handle the winter and developed some hairline cracks.

Old Yamaaki pot. This pot couldn’t handle the winter and developed some hairline cracks.


Perlite is good (but that doesn’t make it pretty).

I’ll keep this brief because soil discussions are not exactly exciting.

This is the first tree I’ve repotted since I started putting all my collected trees in 100% perlite two years ago. The root growth has been excellent and I was glad to see that there has been no noticeable decomposition of the perlite after two winters.

There are probably a million other substrates that larches grow equally well in, but you would be hard pressed to find one that is as inexpensive and lightweight as perlite.

So perlite is good. Not exactly revolutionary.

/end of soil discussion.

Collected with a weak root system in 2012.

Collected with a weak root system in 2012.

Now it has a strong root system.

Now it has a strong root system.

The red stuff you are seeing all over my trees is coloured mulch. I got it for really cheap last autumn but now the damned stuff is everywhere!


Small Larch Forest Wired

This is a busy time of year. Once the ground thaws the larches start to move almost immediately. Then, you only have a few of weeks to get all the wiring done. This is a main disadvantage of wintering larches in the ground.

This small forest and a much larger one have taken up a lot of my free time over the last week or so.

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Japanese Maple

This spring I acquired my first Japanese Maple. After ten years of bonsai, what took so long? Well I suppose it was a combination of finally having safe overwintering conditions and, more importantly, finding a good one that I couldn’t refuse.

It originally came in a lovely textured unglazed John Pitt oval. Great for a larch, but maybe not for this maple. I wanted something a little more flamboyant, so I planted it in a pale blue glazed custom made pot by local potter Geoff Lloyd. Geoff has only been making pots for a couple of years but he is making serious progress. I own several of his pots and he even made me a large custom slab which I will be planting a larch forest on in a couple of weeks.

If you need a bespoke pot and want to support your local artisan, shoot me an email and I will put you in contact with Geoff.

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A washed out picture of the tree as purchased March 15th in it’s original John Pitt container.

Besides the repot, only minor work was done. Some branches were wired, pruned, and the moss was brushed from the nebari after killing it with vinegar.

Today in it's new pot by Geoff Lloyd.

Today in it’s new pot by Geoff Lloyd.

Fellow Ontarians are probably wondering “how the hell is that thing already almost in full leaf?” Everything else around here won’t start moving for at least another two or three weeks. Well, you may have guessed that this tree came from southern Pennsylvania.