Good idea for no digging in my rock solid ground. Do not cover the holes but use them for herbs and annuals. line with weed barrier cloth and used rebar in several places for stability. I love it and makes maintenence super easy.
10 Lessons Learned During My First Summer Gardening
This Garden Spiral is a great way to create a vegetable garden when you only have a small space to work with. Plus it looks pretty in the yard - use river rock fill in with garden soil to support the stone and fill in between the crevices