Growing out large bonsai from starter material in pots

[Bob Hunter]

I grew my pines in pots only, every 3 years potted in a larger pot. 40 years later....

 

[ShadyStump]

I grew my pines in pots only, every 3 years potted in a larger pot. 40 years later....

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And NOW I understand bonsai theft.
Even if I killed the tree, that pot is worth 2 years locked up. I love it!