digitS'
Garden Master
True DigitS. I thought a foot of two of exposed foliage would suffice. Do you think I need more foliage exposed?
I really don't know, Wishin'. Older leaves lose their function. However, left alone, a plant is quickly taller than 12". If all of the photosynthesis is only sufficient to grow new leaves, that will be all that will be accomplished.
Potatoes are green plants.
There seems to be plenty of people who try these towers and boxes who do not continue the practice.
Steve