Why pinch off plants?
Whenever I've grown selaginella in a terrarium environment it gets very leggy. The humid conditions seem to kick it into overtime growth and it will takeover a whole terrarium if given the chance. The remedy appears to be "pinching off" the top growth of each little stem in order to stymy the growth. This is time-consuming but seems to work? I wonder how frequently it needs to be pinched off.
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