By the Bag

Bagged Compost, Mulch, and Soil

St. Louis Composting offers select compost, soils and mulch products by the bag as well. These include some of our most popular products like our Missouri Botanical Garden Compost blend.

If you're looking to save money by buying in bulk, all of our products are available by the cubic yard.

Please note: by the bag products are only available on-site and are not available for delivery. Not all items are available at all locations.

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OMRI Certificate

Missouri Botanical Garden Compost

$5.00 / bag

1 cubic foot

Available for pick-up at Valley Park, Florissant, Pacific and Belleville, IL locations.

A portion of the proceeds from sale of this product support Missouri Botanical Garden

Premium, shredded oak bark for mulching around trees and in the garden.
$26 / cubic yard

Missouri Botanical Garden
Raised Bed Mix

$7.00 / bag

1 cubic foot

Missouri Botanical Garden Raised Bed Mix is a blend of topsoil, sand, pine bark fine and Black Gold Compost that is specifically designed for use in raised planting beds or planting box gardens. This blend features a lower soil pH and allows better porosity and airspace in the soil for superior root zone conditions. SLC Raised Bed Mix features an organic starter charge.

Available for pick-up at

Valley Park, Florissant, and Belleville, IL locations.

A portion of the proceeds from sale of this product support Missouri Botanical Garden

Black Forest
Mulch

$5.00 / bag

1.5 cubic feet

Available for pick-up at Valley Park, Florissant, Pacific and Belleville, IL locations.

Manufactured by River City Landscape

SEMCO Premium Shredded Hardwood Mulch

$5.00 / bag

2 cubic feet

Available for pick-up at

Valley Park.

Premium, shredded oak bark for mulching around trees and in the garden.
$26 / cubic yard

Fox Farm
Ocean Forest Potting Soil

FLASH SALE

$14.00 / bag

1.5 cubic feet

Organic and ready to use right out of the bag. Use with indoor and outdoor plants, ideal for container plants. PH 6.3-6.8 is ideal for fertilizer uptake. Lightweight and well-aerated.

Includes fish emulsion, peat moss, earthworm castings, bat guano, and crab meal.

Available for pick-up at

Valley Park.