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Raised beds are a popular way to grow vegetables, and there are all kinds of styles. This raised bed is really done nicely. It can be covered as seasons change by spreading bird netting or greenhouse plastic over the pvc arches, plus tall plants can be grown on the trelises. Click on the link and take the time to read the comments. (No plans given, but the picture seems easy to figure out.)
When you reach the height, you wish to have you can finish your weaving by braiding the ends of your sticks into the framework. Some branches may be too thick to do so. Next, line the inside with a special garden canvas, that lets water diffuse from the inside to the outside, but no roots etc. Then you will be ready to start filling your elevated flower bed.
Do this in front yard. Potager - Kitchen garden at Bolen residence. LOVE the use of the large pots to control the amount of water or nutrients herbs need as opposed to the vegetables! "This raised-bed kitchen garden was absolutely stunning and made great use of a narrow space that was formerly used as a dog enclosure. The space was designed by John Fluitt, an Oklahoma landscape designer."