BonsaiGreenhorn

Although I am not extremely knowledgeable with J.Maples, I would say repot it, even though from up top it seems healthy, the rootrot is probably taking over slowly with that soil thats in there. Is it spring over there too? Early spring is a good re-pot time for J.maples, they like a free draining soil, Akadama if you have it.

Best of Luck!
& Keep us updated.
-Evan

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