Answer: You don't need to remove the mulch. You can leave it where it is or you can rake it out of the way and replace it afer you have planted the bed or you can dig it into the soil and add new mulch after you have planted your new plants. Mulch over the bare soil will help suppress weeds. If you dig old mulch into the soil it will enrich the soil. So however you treat it, it's good for your garden.
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