wine barrel planters can hold much larger plants or small plants so they can go bigger and you won't have to keep changing pots when they grow larger its going to give them much room the barrels are 22 inches can hold full bag of dirt but you don't want to do that just in case you want to move it somewhere else it will be heavy it won't fade like a normal spot especially in the summer time because of the material its made out ofyou can find them at Sam's club for $14.94 each