Originally Posted by sharpstick

i don't think the water wicks up too much. the earthbox company says that any kind of plants can work although they don't mention bananas.
to have water run down would require a pump and plumbing, a more complicated system.
i've seen a banana tree that is growing inside our local hydroponics store that is about ten ft high and is pretty happy, even in the low light.
so far so good, but i'll report after a while.