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Potting Mix
Price per quart across bag sizes.
The cheapest potting mix right now is Back to The Roots Organic Coir, 51 Quart Expanding Soil, Great for Seeds and Potting at $0.333 / qt — 8 product lines compared, ranked by real price per qt.
💲 Prices and availability verified Aug 11, 2026, not live-updated yet — accurate as of that date and subject to change. Check the retailer for the current price before buying.
Price
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8 of 8 product lines · sorted by best price per unit
Best value
Back to the Roots
Back to The Roots Organic Coir, 51 Quart Expanding Soil, Great for Seeds and Potting
$0.333 / qt
$16.99 total · 1 size
Miracle-Gro
Miracle-Gro Potting Mix, 16 qt.
$0.624 / qt
$9.99 total · 1 size
Miracle-Gro
Miracle-Gro Indoor Potting Mix for Seed Starting, 8 qt. (2-Pack)
$0.649 / qt
$10.38 total · 1 size
Miracle-Gro
Miracle-Gro Moisture Control Potting Mix, 8 qt. (2-Pack)
$0.708 / qt
$11.32 total · 1 size
Miracle-Gro
Miracle-Gro Indoor Potting Mix for All Plants, 6 qt., 2-Pack
$1.49 / qt
$17.91 total · 1 size
Miracle-Gro
Miracle-Gro Potting Mix - For Container Plants, Flowers, Vegetables, Shrubs, Annuals, Perennials, Potting Soil Mix, Feeds up to 6 Months, 8 qt. (3-Pack)
$1.65 / qt
$39.51 total · 1 size
Espoma
Espoma Organic Potting Soil Mix - All Natural Potting Mix For All Indoor & Outdoor Containers Including Herbs & Vegetables. For Organic Gardening, 8qt. bag. Pack of 1
$1.75 / qt
$13.98 total · 1 size
Back to the Roots
Back to the Roots 100% Organic Potting Mix (6 Quart) Premium Blend Made in The USA
$2.00 / qt
$11.99 total · 1 size
Price filters apply to total listing price. Ranked by price per qt within your filters.