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Soil and Fill

Soil and Fill materials, delivered nationwide. Filter by category below or browse the full range.

Soil and fill products cover the bulk dirt side of every landscape and grading job. Premium screened topsoil for lawn renovation and raised beds. Fill dirt for grade raises and low-spot correction. Garden soil pre-blended with compost for new beds. The names look similar but the use cases are very different, and ordering the wrong grade is the most expensive way to learn that lesson.

What this category covers

Three core grades. Premium screened topsoil is dark, organic-rich soil screened to remove rocks, root fragments, and clay clumps larger than 1/2 inch. It is the surface 4 to 6 inches you want under sod, seed, or new plantings. Fill dirt is the bulk subsoil and parent material, dug from grade-correction projects and stockpiled. It is meant to fill volume below grade and is not appropriate as a planting medium. Garden soil is screened topsoil pre-blended with compost and sometimes amended with peat or perlite, sized for raised garden beds and new flower beds.

The visual difference is obvious once you see them side by side. Topsoil is dark brown to near-black, finely screened, and rich. Fill dirt is variable brown, contains small stones and clay clumps, and looks like ordinary subsoil because it is. Garden soil is the darkest and lightest in the hand, with visible compost flecks.

Topsoil quality grades

Topsoil is not a regulated product, which means "topsoil" sold at one yard can be very different from "topsoil" sold at another. Three indicators sort the good from the bad. First, screen size: premium topsoil is screened through a 1/2 inch screen or smaller, leaving a fine, uniform texture. Cheaper grades use a 1 inch screen and pass through stones and clay clumps that show up as you spread.

Second, organic content: good topsoil contains 5 to 10 percent organic matter (decomposed plant material). Below 3 percent and you are buying mineral-only soil that will not support plant growth. Third, weed seed load: premium topsoil is stockpiled long enough that weed seeds germinate and die. Cheap fresh-screened soil shows a carpet of weeds within two weeks of spreading. Ask your supplier how long the stockpile has been aging before you order.

Fill dirt and grade correction

Fill dirt is the budget bulk product for filling volume below grade: raising a low spot in a yard, filling a swimming pool that has been demolished, building up grade against a foundation for proper drainage, or filling under a deck or shed pad. The material compacts tighter than topsoil because of its higher clay content, which makes it appropriate for structural fill but useless as a planting medium.

Compaction matters for any fill job that will support a structure. Fill dirt placed in lifts of 8 to 12 inches and compacted with a plate compactor or vibratory roller between lifts achieves 90 to 95 percent of natural soil density. Dumped and not compacted, the fill settles 10 to 20 percent over the first two years, which is why driveways built on uncompacted fill develop ruts and patios crack at the joints.

Garden soil and amended blends

Garden soil is the premium blend grade: screened topsoil mixed with composted leaf or yard waste at roughly 50 to 70 percent topsoil and 30 to 50 percent compost. Some yards add peat moss, perlite, or sand for specific bed types (acid-loving plants, dry-climate gardens, etc.). The result is a loose, organic-rich medium that drops straight into a raised bed or new planting and is ready for seeds or transplants the same day.

For a standard 4 by 8 foot raised garden bed at 12 inches deep, plan on 1.2 to 1.5 cubic yards of garden soil, or roughly 1.4 to 1.7 tons. For an in-ground vegetable garden bed, replace the top 8 to 12 inches of native soil with garden soil for the first year, then transition to topsoil and compost amendments in subsequent years.

Ordering soil by the yard versus the ton

Topsoil and garden soil are typically sold by the cubic yard, not the ton. The convention exists because soil weight varies with moisture content. A cubic yard of dry topsoil weighs roughly 1.1 to 1.3 tons. The same yard fully saturated weighs 1.5 to 1.8 tons. Quoting by volume removes the moisture variable from the price.

Fill dirt sometimes ships by ton on larger commercial jobs but is also commonly quoted by the yard. Coverage at 6 inches finished depth: one yard covers 54 square feet. At 4 inches: 81 square feet. At 12 inches: 27 square feet. Order 10 percent overage to account for settling and trim losses around bed edges.

Frequently Asked Questions

What is the difference between topsoil and fill dirt?

Topsoil is the organic-rich surface layer (5 to 10 percent organic content) screened to remove rocks. Fill dirt is the subsoil layer below that, used for bulk fill and grade correction. Plants will not grow well in fill dirt, and fill dirt is cheaper because it has no organic content.

Can I plant grass on top of fill dirt?

Only after covering with 4 to 6 inches of topsoil. Fill dirt by itself has the wrong texture, drainage, and organic content for healthy turf. Grass seed germinates but the lawn stays thin and patchy.

How much soil do I need for a raised bed?

A 4 by 8 foot raised bed at 12 inches deep needs 1.2 to 1.5 cubic yards of soil. Use a soil calculator with your exact dimensions and depth. Garden soil (topsoil plus compost) is the best fill for a new bed.

Is screened topsoil the same as garden soil?

No. Screened topsoil is the base ingredient. Garden soil is screened topsoil blended with compost (and sometimes other amendments) for an immediately plantable mix. Garden soil costs more because of the compost component.

How long can I store topsoil before using it?

On a tarp or covered, indefinitely. Uncovered and exposed to rain, topsoil compacts and weed seeds germinate within two weeks. Plan to install within a month of delivery for best results.

WHERE WE DELIVER SOIL AND FILL

Soil and Fill delivery coverage across the US

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