Recommended Growing Media

*EarthBox® does not guarantee the success of crops grown with non-EarthBox® branded products.

Growing Media

Potting Mix vs. Potting Soil

Depending on where you reside, growing media suitable for container gardening may be labeled as Potting Mix or Potting Soil. Use the following guidelines while shopping for growing media you intend to use in your EarthBox® growing system:

  • Growing media should be Sphagnum peat-based (70%-95%) with perlite or vermiculite for aeration and drainage.
    • Coir and Composted Bark Fines/Composted Forest By-products are not the same as Sphagnum peat moss, and should be avoided as the main ingredient when selecting growing media.
  • Growing media should be light and fluffy when dry, and spongy when wet.
  • DO NOT use growing media with these ingredients:
    • Rock, clay, sand, topsoil, compost

You'll need 2.0 cubic feet (60 dry quarts) for each standard-size EarthBox® Original gardening system and EarthBox® Root & Veg™ gardening system; and 1.0 cubic foot for each EarthBox® Junior™ gardening system.

The following brands are suitable for planting in the EarthBox® gardening system:

  • EarthBox® Organic Potting Mix
  • Lambert Professional Organic All Purpose Mix
  • Premier Horticulture Pro-Mix
  • Fox Farm Happy Frog Potting Soil
  • Scott’s Miracle-Gro Potting Mix
  • Scott’s Miracle-Gro Organic Choice Potting Mix
  • Fafard All Purpose Potting Mix
  • Fafard Container Mix
  • E.B. Stone Organics Flower & Vegetable Planting Mix
  • Kellogg Champion’s Blend Premium Potting Soil
  • Kellogg Premium Potting Soil
  • EKO Organic All-Purpose Potting Mix
  • Baccto Professional Planting Mix
  • Baccto Lite Premium Potting Soil
  • Ferti-lome Ultimate Potting Mix
  • Sun Gro Horticulture Metro Mix Potting Medium (350, 360...)
  • Black Gold Seedling Mix
  • Black Gold Natural & Organic Potting Soil
  • Sunshine Container Potting Mix
  • Sunshine Seed Starter Mix
  • Any private label growing media that meets the above specifications

 

Dolomite

When you first set up your EarthBox® gardening system, we recommend using dolomite to add calcium and magnesium to the growing media to help raise the pH and combat Blossom End Rot (BER).

DO NOT use hydrated lime or pickling lime in place of dolomite.

A note about agricultural lime: Generally, agricultural lime should not be used in the EarthBox® gardening system because it does not contain enough magnesium.

The following brands are suitable for use in the EarthBox® gardening system:

  • EarthBox® All Natural Dolomite
  • Espoma Garden Lime
  • Whitney Farms Dolomite Lime

 

Plant Food / Fertilizer

For best results, use fertilizer with NPK analysis numbers between 5 and 15.

EarthBox® Original and EarthBox® Root & Veg gardening systems: Use two cups (or 1 lb.) of a dry, granular fertilizer. Use three cups if using organic fertilizer.

EarthBox® Junior gardening system: Use one cup (or 0.5 lb.) of a dry, granular fertilizer. Use two cups if using organic fertilizer.

The following brands are suitable for use in the EarthBox® gardening system:

  • EarthBox® Special Plant Food 7-7-7
  • EarthBox® Natural Plant Food 8-3-5 (Suitable for organic food production)
  • Espoma® Garden Food 5-10-5
  • Espoma® Garden Food 10-10-10
  • Perfectly Natural Tomato & Vegetable Fertilizer 5-6-6
  • Fox Farm® Happy Frog® All Purpose Organic Fertilizer 6-4-5

 

Vegan Fertilizer

Vegan fertilizers are often difficult to find, and usually do not have the recommended NPK analysis numbers for growing in the EarthBox® gardening system. We have compiled a list below of some vegan-friendly fertilizers, but please be advised that these fertilizers have not been tested or approved at EarthBox® and results may vary. 

  • Dr. Earth® Vega Organic Vegetarian All-Purpose Fertilizer 2-2-2
  • Down To Earth Vegan Mix 3-2-2
  • Lady Bug Brand Garden Prep Cottonseed Meal 7-2-1
  • Gardens Alive Garden Plenty Plant-Based Fertilizer 3-1-4
  • Yum Yum Mix Winterizer 2-3-2
  • Sweet Corn Organic Nursery: Vegan Mater, Vegan Pepe, Vegan Sea, Vegan Veggie (No NPK analysis has been done on these fertilizers)
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