How soon to prune

Give us more information on your space (dimensions) and the lights you have.
It looks like a couple of the bigger ones will be ready to transplant to larger pots soon.

I forgot to mention in that no topping LST photos that they were taken from growweedeasy DOT com. It is one of my main information sources for growing cannabis. Good reliable and useful info always.

I will throw this very straight forward and very productive Quadline Manifold your way to ponder. It need not be flattened out as much as pictured. It is growers choice. Quadline means four branches (not my plant)
image

I would be happy to walk through the procedures to get to that form. It is a very good place to start to become comfortable with topping, a little pinching and a few terms dealing with physical identification of parts. This is from my current thread GDP to start the new year

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