Although wood decking can be left to weather, some people don't want a gray deck and choose to stain and seal the wood. This prolongs the life of the deck and gives you many color options. Depending on the exposure, staining will need to be redone every two to five years.
Here's the same idea of a planter box that's an extension of the adjoining deck, only this time on high. You could even grow some climbing edibles (tomatoes, beans, even grapes) over the trellis above. See more about vertical gardening
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added by michelleandhamish to Patio Ideas (5 hours ago)
use a bench as one railing? could then pull up a table to it
Having a small, narrow space doesn't mean you can't have a garden. I really like the fact that this rectangular planter doesn't take up any of the walk-around space, but it allows for planting a lush garden while adding a bit of privacy at the same time.