Hi - first grow. What size is good planter seeing how they are out growing these ones rather quickly? They seem to be doing well. Started them from seed & let them germinate In soil 5/15.
They are looking good not sure if they started to switch to flower yet but if not you may want to consider topping her.
If you need to water every 2 to 3 days your in the right size pot… If you need to water every 1 to 2 days I would go about 2 sizes bigger than what you have now… (thinking 5 gal) then I would finish in a 7 gallon if they get big enough