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Soil Amendments

  • Perlite 20 qt Bag

    Perlite is a popular growing media made from expanded volcanic rock. Perlite works as a stand alone growing media for indoor gardening and hydroponics applications. It can also be used as an all natural addition to help loosen heavy soils and improve...

    Our Price: $9.95
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  • Vermiculite 8 qt Bag

    Vermiculite is made of expanded mica and it is an excellent light-weight soil additive that helps to loosen heavy soils and improve drainage. It also works very well as a stand alone media for starting seeds and storing bulbs.

    Our Price: $5.95
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  • Perlite 8 qt Bag

    Perlite is a popular growing media made from expanded volcanic rock. Perlite works as a stand alone growing media for indoor gardening and hydroponics applications. It can also be used as an all natural addition to help loosen heavy soils and improve...

    Our Price: $5.95
    Add to Cart
  • Ancient Forest .5 CF Humus Soil Amendment

    Ancient Forest .5 CF Humus Soil Amendment

    AncientForest® soil amendment Ancient Forest is a natural product consisting of 100% pure forest humus. It is derived from thousands of years of naturally decomposed forest litter that contains a wide spectrum of organic compounds. An incredibly...

    Our Price: $14.95
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  • Azomite Granular - 10 lb.

    Azomite is a natural mineral product that has been mined in Utah for more than 60 years. Containing a broad spectrum of over 70 metabolically active minerals and trace elements, Azomite requires no mixing, it’s odorless, it won’t burn plants,...

    Our Price: $21.95
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  • Vermiculite - 20qt

    Often a key ingredient in soilless potting mixes, Vermiculite is prized for its ability to retain moisture. This coarse Vermiculite is especially well-suited to creating soil and soilless mixes tailored to the needs of specific plant types.

    Our Price: $9.95
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  • Espoma Organics Rock Phosphate 7.25lb Bag

    Rock Phosphate (0-3-0) boosts the soil's phosphorus level while serving as a great source of calcium and essential trace elements. This slow-release fertilizer provides the phosphorus that plants need for healthy root development and impressive flowering...

    Our Price: $12.95
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  • Coast of Maine Lobster Compost Quoddy 1cf

    Coast of Maine Quoddy Blend Lobster Compost is our best-selling soil, made with chitin and calcium-rich lobster shells, compost and peat humus. The result is a dark-brown, complex soil that drains well and is ideal for conditioning beds and borders,...

    Our Price: $11.95
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  • Epsom Salts 4lb

    Just one (large) spoonful of Epsom Salts can make a big difference for plants! Magnesium sulfate and sulfur are absorbed through leaves and roots to help them produce chlorophyll. Epsom Salts are so reliable, they’re recommended by rose societies...

    Our Price: $13.95
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  • Insect Frass - 2lb

    Pure Insect Frass, a 100% natural fertilizer, is a great way for gardeners to give their plants the nutrients they crave. Low in sodium and chloride, this water soluble nourishment can be used in a variety of ways, including as a hydroponic additive, a...

    Our Price: $24.95
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  • PVP Seed Starter 20qt

    Magik-Moss Seed Starter is an all purpose, ready-to-use potting soil mix. This Seed Starter Media has been professionally formulated with a combination of peat, vermiculite and perlite potting soil additives to provide excellent seed germination and...

    MSRP: $10.95
    Our Price: $9.95
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  • Happy Frog Tomato and Veg 18lb

    Gardeners who give their plants Happy Frog Tomato & Vegetable (7-4-5) will be giving them the humic acid and mycorrhizae they need to maximize nutrient uptake and boost yields. This mix also contains a balanced ratio of nitrogen, phosphorus and...

    Our Price: $39.95
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  • Espoma Garden Gypsum - 6lb

    Espoma’s Garden Gypsum loosens heavy clay soils and helps cure turf burns from ice-melters. This soil amendment is pelletized for easy application.

    Our Price: $8.95
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  • GROW!T #2 Perlite Super Coarse 4 cf - *In-Store ONLY*

     *In-Store ONLY* GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium...

    Our Price: $34.95
  • Sunleaves Rocks, 0.5"-1.5", 50L

    Locate a Retailer Sunleaves® Rocks are a reusable growing medium with serious water-holding power for use in any kind of garden. The 1/2-inch to 1.5-inch rocks are made by superheating shale to temperatures up to 2,000 degrees Fahrenheit,...

    Our Price: $29.95
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  • BAS Re-amend Kit for 6 Cubic Feet

    This kit was perfectly designed to re-amend your soil after your first grow cycle and every time there after. Due to weight, this product is always shipped via USPS Re-amend used soil Great for top dressing Balanced with just enough...

    Our Price: $39.95
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  • BAS Re-amend Kit for 9 Cubic Feet

    This kit was perfectly designed to re-amend your soil after your first grow cycle and every time there after. Due to weight, this product is always shipped via USPS Re-amend used soil Great for top dressing Balanced with just enough...

    Our Price: $53.95
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  • BAS Rice Hulls 50 lb ( *In-Store Only* )

    This uniquely processed rice hull amendment is a readily renewable resource requiring no mining or land disruption to produce. As so many growers have learned, it is a perfect replacement for perlite in the growing media - providing a less dusty mixing...

    Our Price: $49.95
  • Big Time Enzyme 1 gal

    • Boosts the plant's natural stress response mechanism.• Improves the plant's tolerance and resistance to fungal and bacterial disease.• Optimizes healthy plant growth, especially when constrained by external conditions.• Breaks down...

    Our Price: $57.95
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  • Black Gold Charcoal 2 qt

    Black Gold Cactus Mix creates a nurturing environment for cacti, succulents and bromeliads that no regular potting soil can match. A porous mixture of pumice, earthworm castings and forest humus specially formulated for succulents provides the soil...

    MSRP: $7.95
    Our Price: $5.99
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  • Build A Soil Rice Hulls

    Studies have proven that rice hulls can efficiently replace perlite in your potting soil mixes and is much better for the environment.

    Our Price: $15.95
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  • Coast of Maine Stonington Plant Food 5-2-4

    Coast of Maine Stonington Organic Plant Food (5 – 2 – 4) is an exceptional organic granular fertilizer made with lobster, crab, fish and kelp meal plus worm castings and other natural ingredients. It will help super charge the soil...

    Our Price: $15.95
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  • FoxFarm Happy Frog Soil Conditioner 3cf

    Don’t Treat Your Soil Like Dirt!® ...Bring home a bale of FoxFarm’s all-natural soil conditioner, and your garden will thank you.  FoxFarm blends Happy Frog® by hand, in small batches, checking for quality every step of the way...

    Our Price: $29.95
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