Long time viewer, first time forum user here.
I was recently watching the stream on deciduous leafless design and at about 1h23min Ryan responds to a question something along the lines of: pruning a tree in before bud-break messes with the distribution of sugars and starches, which reduces its hardiness to frost - essentially meaning: pruned tree needs to be moved indoors or need to be protected during nights that have frost.
During the last 6-9 months I just kept my trees alive as I was busy otherwise. When Ryan answered the question I was really confused. I read and watched a lot on bonsai before my short break but that answer came as a surprise.
Protecting repotted trees for sure, but pruned ones was new to me.
Can someone confirm and elaborate on the details (or hit me up with a resource I can dive into)?
Thanks in advance!