SustaneRetailProductsFamily2020lowres900pxl

Organic Fertilizers and Soil Builders

what makes suståne simply the best?

Suståne Natural Fertilizer, Inc. is the world’s leading manufacturer of all natural and organic fertilizers and soil builders. At Suståne, we believe in the science of sustainability, which is why we’ve commissioned over 500 independent research studies over the past 25 years to create the best possible products for the horticulture, agriculture, greenhouse, nursery, landscaping, and lawn & garden industries. The same products that have long been trusted by professional growers are now available to home gardeners through our retail line. All of our retail products are of the highest quality and demonstrate unmatched performance in growing hardy, healthy and abundant plants. Suståne products are approved for the production of organic fruits and vegetables.

Our dual action fertilizers and soil builders deliver:

The Highest Quality:

  • Trusted for over 25 years by professional organic growers, nurseries, landscapers, and vegetable farms
  • Sold in over 60 countries
  • Uniform granulation means no dust
  • Aerobically composted, fully stabilized materials mean no offensive odor

A Sustainable Promise:

  • Renewably sourced compost
  • Recycled agricultural resources
  • All natural and organic nutrients
  • 100% safe for people, pets, and the environment
  • Allowed for use in organic production

Download the Top 10 Reasons Why Suståne Natural and Organics are known worldwide as... "Simply the Best".

Select a Product:

  • 4-6-4
  • Sustane 8-2-4
  • Compost Tea Bags
  • Concentrated Compost
  • Bolster® MycoBio™
  • Suståne Flourish®  8-2-4 WDF
  • 4-6-4

    Suståne 4-6-4 Flower & Vegetable Plant Food


    • The ideal organic fertilizer for vegetables, fruits and flowers.
    • Provides the soil building characteristics of high quality aerobic compost.
    • Contains all plant nutrients necessary for quality growth.
    • Allowed for use on the production of organic fruits and vegetables.
    • Available in 5 lb., 20 lb., and 50 lb. Bags.

    Visit The Suståne 4-6-4 Product Page for More Information.

    oranize1 oranize2 oranize3 oranize4
    Label Spec Sheet MSDS OMRI Certificate 

  • Sustane 8-2-4

    Suståne 8-2-4 Lawn & Landscape Plant Food


    • For use on lawns and landscape areas and all heavy nitrogen feeding plant varieties.
    • All Natural Slow Release Nitrogen Fertilizer provides 6 - 12 weeks of nitrogen.
    • Provides the soil with stabilized organic matter and essential nutrients.
    • Allowed for use on the production of organic fruits and vegetables.
    • Available in 5 lb., 20 lb., and 50 lb. Bags.

    Visit The Suståne 8-2-4 Product Page for More Information.

    oranize1 oranize2 oranize3 oranize4
    Label Spec Sheet MSDS OMRI Certificate 

  • Compost Tea Bags

    Compost Tea Bags


    • This permeable fertilizer pack can be left to steep in a watering can overnight to make a Compost Tea brew
    • Provides organic plant nutrients in a liquid form.
    • Provides beneficial microorganisms that help suppress plant and soil diseases.
    • Allowed for use on the production of organic fruits and vegetables.
    • Use one tea bag per gallon of water.

    Visit The Compost Tea Bag Product Page for More Information.

    oranize1 oranize2 oranize3 oranize4
    Label Spec Sheet MSDS OMRI Certificate 

  • Concentrated Compost

    Concentrated Compost


    • Provides the soil building characteristics of high quality compost.
    • Contains a rich concentration of plant nutrients.
    • Provides beneficial microorganisms that help suppress plant and soil diseases.
    • Improves water holding capacity.
    • Allowed for use on the production of organic fruits and vegetables.

    Visit The Concentrated Compost Product Page for More Information.

    oranize1 oranize2 oranize3 oranize4
    Label Spec Sheet MSDS OMRI Certificate 

  • Bolster® MycoBio™

    Bolster MycoBio®


    For Superior Nutrient Uptake and Growth Promotion - Bolster MycoBio is used for inoculating soils and growing media with beneficial microbiology for improved nutrient cycling and to amend soil to improve seedling success and promote vigorous plant establishment.
    • With beneficial microbiology for improved nutrient cycling and to amend soil to improve seedling success and promote vigorous plant establishment.
    • Mycorrhizae begin to significantly increase the plant’s access to the soil resource pool by extending (literally miles of additional) microfilaments known as hyphae throughout the rhizosphere (root zone).
    • Contains Bacillus microorganisms which help facilitate the cycling of nutrients, transforming them into plant-available forms for uptake by plants.
    • Provides beneficial microorganisms that help suppress plant and soil diseases.
    • Contains humates which have numerous benefits, including being a rich source of carbon, improving soil structure, and increasing root growth.

    Visit The Bolster MycoBio page for More Information.



  • Suståne Flourish®  8-2-4 WDF

    Flourish 8-2-4 Water Dispersible Fertilizer


    Simply measure, mix and feed with Suståne Flourish 8-2-4 Water Dispersible Fertilizer. An all in one input designed for manual fertigation. Suståne Flourish WDF provides powdered organic nutrients and biostimulants and is well suited for the production of diverse plants, indoors and outdoors. Add to Suståne Compost Tea for a nutrient and microbial rich organic feed.
    • Is designed for use in manual fertigation.
    • The power of Suståne granular fertilizer is now microsized to provide complete and balanced plant soil builders.
    • Water soluble micro-nutrients and amino acids provide immediately available plant nutrition.
    • Formulated with organic and mineral nitrogen sources for rapid plant growth response.
    • Contains 2% naturally occurring humates and a kelp based biostimulant for greater root development.

    Visit The Flourish 8-2-4 WDF page for More Information.



Uses & Applications:

New Garden Bed Preparation : Apply Suståne to the soil prior to tilling or incorporate into the top four inches of soil.
Vegetable Row Crops : Apply Suståne directly in the row with the seed when planting.
Transplants and Established Plants : Apply Suståne into the hole prior to planting transplants or around the base of the plant for established plants.
Soil Mixes & Potted Plants : Incorporate Suståne into the potting mix before plating or transplanting.
Trees and Shrubs : For new planting, place Suståne in hole before planting and lightly incorporate. For established trees and shrubs, broadcast Suståne at the base of the plant in the spring and again in the fall. Application rates are based on the individual plants canopy spread along with the fertilizer analysis.
Turfgrass Establishment (Seed) : Broadcast Suståne with the grass seed when plating.
Turfgrass Establishment (Sod) : Broadcast Suståne prior to laying sod. Lightly incorporate into the top 2 - 4" of soil. Reapply fertilizer 30 - 45 days after laying sod.
For best results, apply water after application. Application rates vary based on soil conditions, plant species and desired rate of growth. It is recommended to have soil tested prior to applying any fertilizers.