Comment: Don't you have nice soil up there?

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Don't you have nice soil up there?

The only reason for raised beds are if you anticipate large volumes of rain or floods. Most plants don't like saturated roots. If you fill the bed to the top you need ten cf of soil. You could get one of those big cubes of magnum peat and mix that with your native soil for a very rich mixture (if you do indeed have nice soil to begin with).

Hope that helps.