Hi, I just bought a house with a small backyard and what I think is a great spot to try vertical gardening. It faces southwest, so in about a month will have direct sun at noon. Here's the pix:

I apologize for how messy it is, my kids were out playing in the yard. My thought was to have a 4 foot by 20 foot raised bed that follows the risers on the deck, and have the plants climb up something all the way to the top of the deck.

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Is this feasible? Does anybody have any design/implementation ideas? I'm not new to gardening, but I'm not an expert, either.