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

Select a Product:

  • 4-6-4
  • Sustane 8-2-4
  • Compost Tea Bags
  • Concentrated Compost

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.