South Yarmouth sits on a glacial outwash plain where sandy, porous soils drain quickly and shed nutrients before roots can absorb them, making mulch and soil inputs essential year-round. That geology defines Cape Cod's character while presenting real challenges for gardeners throughout the village and into neighboring West Yarmouth. The Bass River corridor brings additional complexity, with low-lying properties needing materials that can handle 46 inches of annual rainfall without washing out. Decorative stone and gravel are practical choices along those wetter stretches, while blended garden soils help sandy beds hold moisture through summer. Customers from Yarmouth Port to East Harwich share these outwash conditions and count on bulk deliveries to keep their landscapes productive through the long Cape Cod growing season.