My Houzz: wall garden made the vertical garden by deconstructing a pallet and painting the pieces white, then applying fish pond liner to resist water. The plants include Hedera, blue fern (phlebodium aureum) and japhrolepis (aeschynanthus).
This is brilliant! And so simple! (For old pallets in the yard!) Wow, this would have been the location of so much play wguyhen I was a kid. We did so much An old pallet! pretending to be in the middle of the ocean, or lava, or what-have-you.