Growing Vegetables in raised boxes - Knowledgebase Question

Brandywine, Ma
Question by favorofgod37
March 23, 2010
Can vegetable garden boxes be raised completely off the ground to say waist level? If so, how deep to they have to be and what is the best raised support system/

Answer from NGA
March 23, 2010


You should be able to build your raised beds any height you want. Depending upon what you plan to grow in them, the soil depth should be about 18" (more shallow for shallow rooted annuals, a little deeper for small shrubs). The most secure way to anchor them is to build them on 4X4 fence posts which are buried about 12" into the ground. Use 4 fence posts (one for each corner). You can build the beds and set them on fence posts, or you can begin with the fence posts and then build your raised beds directly onto the fence posts. If you're going to build long beds, you may need a couple more fence posts in the center to support the weight of the raised bed. Best wishes with your project!

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