Answer: It isn't necessary to remove the grass - it will die out when covered with soil. I line the bottom of my beds with several thicknesses of newspaper before adding soil. You can use regular garden soil to fill the bed, or you can mix some potting soil, compost or other organic matter in with the soil and then fill the bed. With only a 6 inch depth, you'll have more success with annual flowers and shallow rooted veggies such as radishes, lettuces, and spinach. Perennial plants will need more root space than your bed can provide. Enjoy your new raised bed!
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