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How to build a small garden path
Lay out your path.
If you are making a winding path, a garden hose makes a nice flexible line, but you can also use spray paint directly on the ground or stakes and string.
Calculate how many square feet the path will be.
Determine how much material you will need. One way, if you use found materials like rocks, simply keep collecting it and laying it out on the proposed path until you have enough.