Binkstir said:

I've noticed that this and one or two others out of my little group of plants is a lot busier at the point where the other "limbs"? come off the main stem. Wonder if it means anything at all.

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Different genetics are gonna show different signs of growth. I personally look for the ones who have more growth and the branch points bc the more branches=more top buds. Many growers will “top” their plant in order to push those side branches to grow out.