Delivery — Southern California & Central Valley

Soil Amendments & Conditioners

West Coast Soil Works offers a variety of soil amendments & conditioners.

Gauges plot each product’s nominal particle ceiling on a 0–¾″ scale. Thumbnails are true-to-spec particle renderings, not photographs.

Composted organic aggregate

Composted Rice Hulls

Milled rice hulls, treated and composted

Nominal Particle Size Hull fragments, composted
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Enriched topsoil

Enriched Top Soil

Screened soil with added organic content

Nominal Particle Size Fine-to-medium mineral soil with organic fraction
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Fine, unscreened

Fir Sawdust

Fir sawdust with minor chip content

Nominal Particle Size Sub-1/8″ fines with occasional small chips
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Light, fluffy shaving

Fir Shavings

Planed fir wood shavings

Nominal Particle Size Variable flake size, generally <1″
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Organic compost, certified

Green Compost – OMRI Certified

Compost from green waste feedstocks

Nominal Particle Size Fine-to-medium; most particles <1/2″
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Fine, treated organic

Iron Sawdust

Treated and composted redwood sawdust/shavings

Nominal Particle Size Sub-1/4″ fines and small flakes
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Fine, screened

Pacific Seedling

Blend of milled fir barks

Nominal Particle Size 1/4″–3/8″ nominal
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Fine fibrous organic

Peat Moss

Sphagnum peat moss

Nominal Particle Size Fine fibers; most <1/8″
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Horticultural perlite

Perlite

Expanded volcanic glass

Nominal Particle Size Granules typically 1/16″–1/4″
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Horticultural pumice

Pumice

Crushed volcanic pumice

Nominal Particle Size Granules typically 1/8″–3/8″
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Fine sawdust

Redwood Sawdust

Milled redwood lumber byproduct

Nominal Particle Size Fine particles generally <1/8″
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Light shaving

Redwood Shavings

Milled redwood lumber shavings

Nominal Particle Size <1″ curled flakes, variable
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Lightweight organic aggregate

Rice Hulls

Parboiled rice hulls

Nominal Particle Size Hull fragments approx. 1/8″–1/4″
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Topdressing/soil amendment

Sod Topper & Soil Amendment

Fine organic amendment blend

Nominal Particle Size Fine texture; most particles <1/4″
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Fine mulch

Triple Grind Redwood

Triple-ground redwood bark

Nominal Particle Size <1″ with high fines content
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