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Keyhole Gardens: A Drought Tolerant Composting Garden
The Keyhole Garden concept is brilliantly simple. A circular raised bed has a center compost basket that distributes nutrients to the surrounding lasagna-style garden bed.
A small pie-slice section of the bed is used for easy access to the center compost basket forming the keyhole design, this is a great gardening technique and more of us should be doing this as it works that good!
If you are interested to see how to make one check out the article below. I really need to persuade my wife to help me build one this year.