All things roughly equal, I decided to test the condition of the roots of these two Chinese Quinces; both 3-year-old cuttings, dug in March ’15, and severely headed back; both above and below. They’re both in roughly the same volume of soil, but here’s the difference:
White pot has soil that is bark, lava, turface, 1:1:2
Blue pot has soil that is lava and akadama, 1:2
Here is the one planted in akadama.
I’m also biased…
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