https://forums.botanicalgarden.ubc.ca/threads/what-is-your-soil-mix-for-growing-maples-in-containers.17604/
What is your soil mix for growing maples in containers? | UBC Botanical Garden Forums
I am currently using a 50/50 mix of half bonsai mix which is fir bark and shale to 50% Miracle Grow Garden soil. It works out perfect and is the...
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