I know this has come up before, but haven't been able to find a precise answer. What exactly is an open bottom planter?
My assumption is that they are planters with perimeter walls only,constructed on landscaped/lawn,green roofs, or other soil areas...in other words,the earth in the planter must be in contact with the earth beneath the planter. So planters with perimeter walls and bottoms, formed/placed on hardscape areas, would not qualify as "vegetative area" for this credit; correct?