Iris Cohen schreef
After all the natural ranges for J. chinensis and J. squamata are more
or less comparable.

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In view of the large ranges of both species it would be relevant to know the
provenance of the two cultivars.
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Not likely. I paid $25 for it, it has been styled, and critiqued at a
workshop.

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Maybe buy a cheap, innocent, replacement and experiment on that?
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I am not going to experiment on it. I have already killed too many trees
that way. :-(

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This certainly explains why older (surviving) bonsai are so expensive.
PvR