As an experiment to test the viability of repotting in the summer, when leaves aren’t growing, and roots are, I repotted a Japanese Black Pine, and a Japanese Maple. The pine had been in that pot for a few years, and was building a good head of steam. It did not need to be repotted this year, much less in the summer. The Japanese Maple had been repotted this spring, aggressively root-pruned, and I was surprised how little the roots had grown when I unpotted it.
Just for an added degree of difficulty, here is the almanac of weather for the next couple months following the repotting, done on 8/11/19. Nearly every day was over 90 degrees, all the way until 10/5/19; 55 days over 90, 7 days in the 80s, and even a couple days over 100.
One month later, 9/15/19:
Two months later, 10/6/19:
It’s looking pale, but…
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