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Soil Detective

Living compost

Compost is a living system,
not a material.

Every pile is built to a recipe, turned on a schedule, held at temperature, and checked under a microscope before it goes anywhere. That is the difference between compost that adds biology and compost that just adds bulk.

Available now

From our piles to your beds.

Xavier's Premium Living Compost

Xavier's Premium Living Compost

$50 · ~5 lbs

Small-batch, thermophilically finished, biologically complete compost. Named for the pile it came from.

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Gift Package: Premium Living Compost

Gift Package: Premium Living Compost

$65 · ~5 lbs, gift wrapped

The same living compost, packaged as a gift for the gardener in your life.

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Pre-Order Inoculation Grade Compost

Pre-Order Inoculation Grade Compost

Enquire · pre-order

Reserve compost from an upcoming pile. Inoculation grade — built for biology, not bulk.

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Bulk Compost Inquiries

Bulk Compost Inquiries

Enquire · by inquiry

Larger volumes for market gardens, restoration projects, and community builds.

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How it is made

Thermophilic, on purpose.

A hot pile is built to a carbon-to-nitrogen ratio, not thrown together. Ours are assembled in layered quarter-rounds from measured greens, browns, and high-nitrogen material — then turned on schedule and monitored by temperature until the thermophilic phase is genuinely complete.

Getting hot enough matters: it is what handles weed seed and pathogens. Coming back down properly matters just as much — that is when the fungi, protozoa, and nematodes move back in. Compost pulled too early is just chopped material.

A hot compost pile being reassembled on its third turn

Getting it to you

Pickup or delivery.

Pickup in Olympia is always free. For anything you would rather not fit in your car, we deliver.

Local delivery

$50

Olympia, Tumwater, Lacey, Nisqually

Compost delivered to your door in the local area.

Greater Puget Sound delivery

$250

outside the local area

Delivery beyond Olympia, Tumwater, Lacey, and Nisqually.

Service area: Olympia, Tumwater, Lacey, Nisqually, and the greater Puget Sound. Not sure whether you are inside it? Call (360) 259-3637 and ask.

Not sure what your soil needs yet?

Test before you amend. A health check tells you whether you need biology, structure, organic matter, or nothing at all — which saves buying the wrong thing.