It is a 10 year old tree. It's got a beautiful trunk, but I kinda want to work on its nebari. I'll post a picture once I receive it.
I asked because if you are wanting to increase its size/ nebari you may consider skipping the turface or the ultra fast draining finished bonsai standard and continue to grow it out in something like Nature's Helper. I've done that myself and its also what Gary Marchal (cajun bonsai) does with his newly collected trees to allow them to grow and flush back out. Once you have the tree where you want it, you can transfer it into a bonsai pot and use a mixture of lava and screened Nature's Helper. BC tolerate wet feet but grow happily in well draining soil, as well. I have noticed that they develop a nicer nebari and trunk flare/ribs when grown in about 6 inches of water up the trunk. Otherwise they tend to have fairly straight trunks with round roots shooting out like props.
Kirk