Fall planting? Get your soil ready first! Healthy soil makes all the difference in the success of your garden. Comment SEND for the complete guide. As organic matter decomposes, the soil level in your beds naturally goes down and needs replenishment. At least 2=3 weeks before planting, cut back your cover crops at the soil level and pull back the mulch, leaving the cut plants on the soil surface. Then, enrich the beds by adding worm castings, compost, and raised bed mix to prepare them for fall