I have 5 gallon pots and my plants are not that big yet. About 20 inches probably? The problem is my shit is in a feild and i have to ride a bike to get there so i been using regular water bottles like 20 oz and bringin a number of them. How much water is good for each plant at a time?
best way to water i think is to give enough water that it starts to come out of the bottom of the pots and then let them dry out before watering again. i use containers that are approximately 5 gallons each and it usually takes about 1/2 gallon per plant. thats alot of water to carry on your bike. hopefully mother nature will help you out with some good rains.