I built a 12 inch raised garden bed with weed tarp at the bottom. (See also Raised garden in flood zone) I put the weed tarp in to prevent grass and other weeds from coming up from the ground. This has the negative effect of preventing roots from the plants I plant from going deeper than about 11 inches. Here is a photo:

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What types of fruits, vegetables, and sunflowers will not do well in this setting due to their roots needing to go deeper?

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    The other negative effect is that the fabric will also block movement of beneficial organisms (earthworms). I dug up my fixed beds and removed the fabric I originally installed... I will deal with the grass/weeds. Mar 1, 2021 at 4:26


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