It's much better to start in smaller pots for many reasons. Always start in smaller pots. no plant's root system like to be moved, but use alittle super-thrive when replanting and i don't have any stress problems. smaller pots have the benefit of drying out more often and taking less water/nutrients. It saves you money and is much better for the plant. soil that stays wet stresses out the plant and has more fungus and bug larvae issues, plus to water the whole pot with nutrients costs more money than a smaller pot. The plant wants the soil to dry pretty often. it looks pretty good though. i'd put the pot/bag on a grate or piece of fencing...this will allow the air to move under the bag and help it to dry out faster so the plant will stay healthy. good luck buddy