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Sustainable Plant Food

(2 customer reviews)

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  • Plastic Free
  • Compostable Packaging
  • Sustainably Harvested
  • Charitable
  • Made in the USA

Plastic Free

No petroleum-based plastics are used in this product or its packaging. Plastic can be difficult to properly recycle, may never biodegrade, and is known to leech toxic chemicals into our bodies and environment. Single-use plastics also require extracting and processing of finite resources, so seeking out biodegradable, infinitely recyclable, or durable products and packaging is recommended whenever possible.

Compostable Packaging

This product is packaged or shipped in materials that can be composted in home systems or industrial facilities. Certain materials may be better fit for industrial facilities than backyard composting systems. Contact your local waste-hauler or composting facility to determine where these materials may be accepted. Industrial facilities may not exist in your area.

Sustainably Harvested

Some or all of the ingredients or materials used to produce this item have been sustainably harvested. Sustainable practices involve managing land in ways that prevent overharvesting, preserve the natural ecosystems and animal habitats, and ensure a sustainable harvest for the future.


This company donates a portion of their time or profits to charitable efforts in their community or abroad.

Made in the USA

This product was made in the United States. Buying locally made items helps to reduce harmful emissions that result from transportation during and after the production process. Purchasing products made in the United States also ensures that the items are produced in ways that meet strict safety and labor standards.

Give your plants an eco-friendly boost with the Sustainable Plant Food from DEN Sustainable Soils! Featuring an all-natural formula thatā€™s built around OurCarbonā„¢ BioChar ā€“Ā  sequestered carbon made from organic waste diverted from landfills ā€“ this plant food is better for your plants and the planet. This mixture is designed to supercharge your soil with everything a growing, green plant needs. Simply mix it in during repotting, and watch your plants thrive! Plus, from its fir bark that Read Morecomes from nearby FSC certified forests to its worm castings made by happy, California worms, DEN ensures they source all of their ingredients within 500 miles of their Bay Area office ā€” cutting down on transportation emissions!

Also from DEN:

Sustainability Features


  • Packaged in San Francisco
  • All ingredients are sourced within 500 miles of Bay Area


  • OurCarbonā„¢ Biochar, Kelp, Alfalfa, Neem Seed Meal, Greensand, Granular Humic Acids, Microna Aglime, Oyster Shell, Azomite, Basalt, Granular Root Growth, Mycorrizae

End of Life

  • Recycle tube packaging
  • Compost bag packaging


  • Primary ingredient is OurCarbonā„¢ BioChar
  • Includes ingredients that are approved by OMRI, a nonprofit organization that independently reviews products to be used in certified organic production and processing

Earth Friendly Features

  • Large: Sequesters 18lbs of carbon
  • Small: Sequesters 3.6lbs of carbon
  • Features a peat moss free, non-synthetic, and carbon-sequestering formula
  • OurCarbonā„¢ BioChar is sequestered carbon made from organic waste diverted from lanfills
  • Fir Bark is a lumber by-product that is sourced exclusively from local FSC certified forests


  • Large: Packaged in recyclable, reusable, and biodegradable cardboard tube with a compostable label
  • Small: Packaged in compostable kraft paper bag
  • Ships in recyclable packaging
  • Shipping packaging made from recycled content

Made Without

  • Does not include peat moss, synthetic ingredients, or perlite

Product Specifications

Product Care

  • Mix 1/2 cup of plant food for every quart of soil when using outside
  • Mix together 2 tbsp per cup of soil for potted and indoor plants

Additional Features

  • Plant food designed to supercharge your soil and give your plants all the nutrients they need
  • All-natural formula helps boost plant growth


  • This product is not eligible for returns


  • Large: 1.65 qts
  • Small: 10 oz

Shipping Info

  • Ships within 1 - 2 business days!

About the Company


DEN helps plant-lovers show their love for nature with potting mixes that actually reduce carbon emissions. The process substitutes negative carbon-intensive materials for alternatives like OurCarbonā„¢ biochar, which absorbs and stores carbon in the planting soil. All of DENā€™s ingredients are sourced locally, within 500 miles of their San Francisco base, which reduces travel emissions and supports local businesses. Plus, DENā€™s packaging is all biodegradable and plastic-free, and every shipment is carbon-neutral! DEN also gives back to their community by donating their soil products to the parks department and local farmers, as well as supporting educational programs aimed at increasing awareness about carbon farming and the important role that soil plays in our ecosystems.

Click below to learn more about why we love DEN!

Learn More


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5 out of 5 stars

2 reviews

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What others are saying

  1. jeansafron

    jeansafron (verified owner)

    I gave some of this to my plants and they are thriving!!

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  2. Amanda

    So far, so good!

    Amanda (verified owner)

    I did some spring transplanting and outdoor seed sowing with this fertilizer and it looks like it’s giving the plants a little boost. While the ingredient list is somewhat helpful to know what kind of nutrients this provides, I second the request of the questioner below me for actual nutrient (NPK) ratios so that I can use this most effectively.

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  3. Question


    What is the nutrient ratio of this plant food? Is it like fertilizer, or should I still be using fertilizer?

    (0) (0)

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    • EarthHero


      Hi Lilianna! Think of this as an eco-friendly fertilizer. The all-natural formula helps boost plant growth – just mix in 2 tbsp per cup of soil for potted and indoor plants and 1/2 cup of plant food for every quart of soil when using outside!

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