Auto flowers one gallon will work but bigger the pot bigger the plant .iv learnd with autos vis versa with reg fems one gallon pot plant will get just as big as it will in 5 gallon bucket once root bound on reg fem will stress her into flower slit faster leaveing u with low quality product in the end .regs dont produce alot thc.untell shes over 60 days old as for autos zhe will flower day 30 24/7 lighting so on through untell shes finished. 5 small autos more tend to than 2 huge ones .wat I've seen over last 3 years
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