Bonsai Tonight

Kondo critique at Bay Island Bonsai

Posted in Styling by Jonas Dupuich on August 12, 2011

Kondo critique at Bay Island Bonsai

This month’s Bay Island Bonsai meeting was devoted to a bonsai critique by Akio Kondo. Kondo discussed the good and bad points of each tree, making suggestions for improvement and answering questions along the way. Occasionally – to our general encouragement – he pulled out scissors and made a few cuts. Here are some of the trees he looked at.

Kondo working on a Japanese maple

Japanese maple

Kondo thought this Japanese maple is well on its way. The tree has good roots thanks to an air layer. Kondo suggested that the best time to layer maples is right before new leaves open in spring.

Result of air-layering

Japanese maple – uniform roots are a sign of layering

Jim Gremel brought a San Jose juniper with kishu shimpaku foliage. We talked about the pot. The ideal pot would be somewhat smaller, maybe with scalloped edges.

Kishu shimpaku, grafted on San Jose juniper

Shimpaku

Trunk detail

Shimpaku – trunk detail

Kondo also suggested making a small jin. After cutting away the foliage, Kondo recommended filling the gap with a small branch.

Removing the branch left a small gap

New jin – look beneath the apex on the left

Filling the gap

Filling the gap

Kondo next commented on a California juniper with shimpaku foliage.

California juniper

Sizing up a California juniper

He made basic recommendations for the main branches. He wanted the first branch on the right to be larger and a little lower; the left branch could be lowered; and the top right and left branches at the base of the apex could also be lowered.

Shimpaku grafted on California juniper

Kondo indicating future branch positions

Another California juniper proved tricky. The narrow trunk emerged vertically before expanding and teetering off to one side like a wave. To improve the taper of the tree, Kondo recommended changing the soil line.

California juniper - trunk detail

California juniper – trunk detail

Future soil line

Suggested soil line

Planting the tree deeper and changing the angle at which it is planted would widen the base of the trunk and make the tree appear more powerful.

California juniper

California juinper – right side

Kondo’s advice for a cork elm was simple – all of the main branches needed to be lower. He suggested using guy wires and doing the work incrementally to avoid stressing or breaking important branches. He thought a “white” pot – what we would consider to be dirty white or even yellowish – or blue pot, oval in shape, would make a good container for exhibit.

Cork elm

Cork oak

A third California juniper elicited a term from Kondo with which none of us were familiar. He said the tree could be an example of the kawarigi style, a style in which all of the branches emerge from roughly the same spot. I’m not confident that we fully understood what he was trying to convey about the style. We were clear, however, when he mentioned refining the jin at the tree’s apex and suggested a front for the tree that made good use of the deadwood along the trunk.

California juniper

California juniper

A prostrata juniper proved a good exercise in selecting the front of a tree. Here’s the tree from the current front.

Current front

Prostrata juniper – current front

Kondo suggested tilting the tree slightly to give it better movement.

New front

Prostrata juniper – new front

He then pointed out the good deadwood on the other side of the trunk. This, he suggested, would make an even better front.

Deadwood on trunk

Trunk detail with deadwood

Kondo thought the front without deadwood would make a good front maybe three years from now, and that the alternative front would make a good front roughly 10 years from now.

Future front

Future front

Using this front would take longer because the branches needed to complete this front need more time to develop. For both fronts, Kondo recommended making the silhouette much smaller to improve the balance between foliage and trunk. He also suggested grafting two new branches in the tree’s interior to fill some open areas.

I’ve always liked the idea of taking advantage of different “fronts” over time. In the case of this prostrata, the owner can show the tree sooner rather than later and still have a somewhat “new” tree to show down the road.

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Witnessed in a recent workshop – grafting follow-up and junipers

Posted in Bonsai Development by Jonas Dupuich on July 29, 2011

Witnessed in a recent workshop – grafting follow-up and junipers

You can’t have too many branches on ume – or at least I can’t. Getting ume to ramify has proved difficult for me. I made several grafts this year and fortunately most of them took. See “Ume – cutback and grafting” for details about the grafting process. My job now is to help the scions develop. To do this, I cut back the branches onto which the scions have been grafted.

Ume - July 2011

Ume – before cutback

Ume - after cutback

Ume – after cutback

I’ve left the grafting tape in place to keep the scions secure while they are fusing. If the branches continue to grow well, I’ll remove the tape in fall.

New graft

Grafting tape holding scion in place

The following photos show the new scions and the original branches onto which they have been grafted. The new shoots look a lot like the old shoots – why have I bothered? The new shoots bear fragrant white flowers – the old shoots, double pink.

New graft

Scion on left, original branches on right

New graft

Original branch on the left, healthy scion on the right

While I worked on the ume, I noticed both large and small junipers taking shape. Jeff brought in the big juniper below for a tune up.

Big juniper

Getting the tree into place

Juniper

Prostrata juniper

A much smaller juniper was showing some real progress. The shari had been added to make the trunk more interesting and the branch pads were developing well, showing off the shimpaku foliage to great effect.

Shimpaku

Shimpaku

Shari

Shari – note how the curves exaggerate the natural flow of the trunk

Branch pad

Branch pad showing good ramification

While I was inspecting the shimpaku, Boon called me over to witnes a sap bubble that formed where a shoot was cut on a black pine. Apparently this happens occasionally on hot days.

A bubble of sap after decandling on a warm day

Sap bubble

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Evaluating bonsai at Bay Island Bonsai meeting

Posted in Reflections by Jonas Dupuich on May 10, 2011

Evaluating bonsai at Bay Island Bonsai meeting

Learning to evaluate bonsai is a big part of the Bay Island Bonsai experience. If one doesn’t understand a tree’s good and bad points, it’s hard to improve the tree, and it’s hard to know how much to pay for it.

We’ve been using a simple form designed by Boon for over 10 years. The idea is that it’s easier to evaluate part of a tree than it is to synthesize all of a tree’s good and bad points into a single measure. At our recent May meeting, we looked closely at two trees: a Tsukumo cypress and a Japanese black pine.

Tsukumo cypress

Tree #1 – Tsukumo cypress

Japanese black pine

Tree #2 – Japanese black pine – exposed root style

At a glance, the Tsukumo cypress is the more impressive tree. It is full, healthy, and has a nice silhouette. The pine looks like it has a way to go before we’ll see it in our exhibit. The judging, however, tells a different story. I’ll save you the math and provide averages for the forms that appear below.

Tree #1 – Tsukumo cypress
Trunk 5
Branches 3
Rootage 3
Pot Selection 3
Aesthetics 3
Total 17

Tree #2 – Japanese black pine
Trunk 8
Branches 3
Rootage  4
Pot Selection 4
Aesthetics 3
Total 22

After marking our forms, we reconvene and publicly discuss the results. The corrections on several of the cards below reflect the broader consensus.

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

Judging form

New members often have trouble with this atomized approach to evaluating trees. Over time, however, member scores tend to move toward the mean. These evaluation exercices prepare us for our annual exhibit. At the exhibit, members select the best tree in each class. Winning trees receive Members’ Choice Awards. More importantly, the skills we gain from learning to evaluate bonsai help us guide our own trees toward exhibit.

A complementary exercise at BIB meetings involves creating practice displays and bringing trees to share with others in the hopes that we can together determine whether or not a tree is ready for exhibit.

Satsuki azalea

Satsuki azalea

Satsuki azalea

Satsuki azalea blooms

Satsuki azalea

Satsuki azalea blooms

This azalea is planted in what the Japanese often refer to as a “white” pot. Age has darkened the pot to the point that it evokes grey now more than white. It’s a beautiful pot that suits the azalea well.

“White” pot

We were also treated to an attractive hinoki bonsai. I’ve been partial to hinoki bonsai for years. They have wonderfully dark green foliage and their well-composed branch pads can reveal age well.

Hinoki cypress

Hinoki cypress

Hinoki cypress - branch detail

Hinoki cypress – branch pad detail

I’m still unsure about which of my own trees will make it to exhibit this year. I’m hoping I’ll have a better idea by the end of summer. If I had to decide today – well, it would be a hard decision.

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Show trees are full trees

Posted in Display, Exhibits by Jonas Dupuich on February 8, 2011

Show trees are full trees

You’ve heard the phrase if you’ve heard Boon talk about show prep. Full trees demonstrate health and maturity. Although there are exceptions, most bonsai look their best when they’re full.

Fullness means different things for different varieties. I consider the deciduous trees below from Bay Island Bonsai’s recent exhibit to be “full.”

Flowering quince 'chojubai'

Chinese quince ‘Chojubai’

Japanese maple

Root over rock Japanese maple

Trident maple

Shohin trident maple

Some of the other deciduous trees in the exhibit are on their way to becoming full. The trident maple below has a wonderful trunk, but the branches aren’t yet as well-developed.

Trident maple

Trident maple

The same could be said of the trident maple below. The primary branches are in place, as are a number of the secondary branches.

Trident maple

Root over rock trident maple

I’m not very familiar with Amur maples. Based, however on the specimen below, I imagine that they will ramify well in time.

Amur maple

Amur maple

Chinese quince grow quickly in hot and humid weather, less so in more temperate climes like Northern California. In time, however, I expect this tree to ramify well.

Chinese quince

Chinese quince

The same can be said for bald cypress, a variety that can develop quickly in the right weather.

Bald cypress

Bald cypress

Fullness is a different matter for conifers. Shown year-round with their foliage, conifers are often the fullest trees in winter exhibits. I think of the two Japanese black pines below as being “full.”

Black pine

Japanese black pine

Black pine

Japanese black pine

I’ll say the same for the following black pine. Bunjin are not typically as full as non-bunjin bonsai. The bunjin pine below, however, has a thick trunk, and can support the additional foliage. By showing the tree unwired, the artist conveys the tree’s age through the foliage as well as the trunk.

Black pine

Japanese black pine

The following three pines aren’t as full as the above examples. I expect each to be as full as the above examples after a small number of good growing seasons.

Cork bark white pine

Corkbark white pine

Red pine

Japanese red pine

Black pine

Japanese black pine

From the beginning, Bay Island Bonsai exhibits have featured trees at a number of stages in their development. And I think this will be the case for the foreseeable future. The trees in my collections are at wildly different stages, as are the collections of most enthusiasts I know – which is fun, as this means we all have plenty to look forward to as our trees and exhibits improve.

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