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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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  • BAS Pumice 1cf

    Last Longer Than Perlite & Has More Minerals 3/8" x 1/4" Pumice is perfect for potting soil. Pumice is created when super-heated, highly pressurized rock is violently ejected from a volcano. The unusual foamy configuration of pumice happens...

    Our Price: $18.95
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  • Down to Earth Azomite SR Powder 6lb

    Slow-Release grade of Azomite™ volcanic minerals with particle sizes ranging from 4 to 200 mesh. Ideal for blending with other fertilizer materials and amendments as a trace mineral resource to help meet complete plant nutritional needs. An...

    Our Price: $8.95
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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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  • Down to Earth Alfalfa Meal 5lb

    An excellent soil conditioner, Alfalfa Meal is a rich source of trace elements and natural growth stimulants. Recommended for all flowering shrubs and especially roses, Alfalfa Meal accelerates growth and promotes larger, more plentiful blooms. It is...

    Our Price: $8.95
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  • Down to Earth Neem Seed Meal 5lb

    Neem Seed Meal is produced during the extraction of oil from the seed of the Indian Neem tree (Azadiracta indica). It is an excellent way to strengthen root systems, improve plant immunity and balance nutrient levels in the soil. Neem Seed Meal can be...

    Our Price: $15.95
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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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  • Down to Earth Fish Bone Meal 25 lb

    Fish Bone Meal is a marine based alternative to traditional steamed Bone Meal and is wonderful for all flowering plants, trees and shrubs. A great source of Phosphorus and Calcium, Fish Bone Meal also contains a small amount of Nitrogen and is an ideal...

    Our Price: $35.95
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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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  • Down to Earth Bio-Live 5lb

    A rich, organic fertilizer mix infused with a generous amount of beneficial bacteria and Mycorrhizal fungi to stimulate rooting, vigor and optimum plant development. Bio-Live encourages rapid colonization of soil and soilless mixes and may be combined...

    Our Price: $12.95
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  • Down to Earth Bone Meal 6 lb

    A wonderful source of Phosphorus and Calcium for flowering plants, trees and ornamentals, Bone Meal is recognized as the ideal organic fertilizer when planting bulbs to promote strong root development and enhance early season growth. One of the...

    Our Price: $12.95
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  • Down to Earth Kelp Meal 5 lb

    Down To Earth™ Kelp Meal is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean. Hand-harvested, carefully dried and finely milled, our Kelp Meal is a rich natural source of Potash and is ideal for early Spring...

    Our Price: $19.95
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  • Down to Earth Crab Meal 5lb

    Crab Meal is a superb source of organic nutrients for vegetable gardens and flower beds and is wonderful for building soil tilth. Crab Meal enhances beneficial soil microorganism populations due to its rich chitin content and also makes an incredible...

    Our Price: $10.95
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  • Down to Earth Feather Meal 5lb

    Feather Meal is a great source of slow release Nitrogen that is perfect for heavy feeders like corn, cole crops and leafy green vegetables. Incorporate into your soil before spring plantings for best results.

    Our Price: $14.95
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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
  • Down to Earth Alfalfa Meal 25 lb

    An excellent soil conditioner, Alfalfa Meal is a rich source of trace elements and natural growth stimulants. Recommended for all flowering shrubs and especially roses, Alfalfa Meal accelerates growth and promotes larger, more plentiful blooms. It is...

    Our Price: $20.95
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