Sometimes I do that for a long time, do a root pruning with a bread knife, and then fill back into the same pot with “fresh” soil.
Sometimes I just go with a cutting and discard the old mother.
I loosely follow that old OG guide on keeping bonsai moms that I saw 20~ years ago. I use a very weak strip light that I bought on amazon for cuttings & moms also. High powered lights require way too much in the way of up-potting and general maintenance for me.
Something like this
Here are the moms hacked way back and treated with Botanigard wp (Beauveria bassiana ). Stems get a bit elongated and they grow a bit slower under this light, which is perfectly fine for me. Not too intense for cuttings either.
The new clones are under the same type of light for now to reduce stress. I will bump the light up to an HLG board or similar later on.
