Sustainable Landscapes

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Sustainable landscaping is about natural-based, functional, and ecologically minded practices that actively help professional growers and communities. Since 1988 Suståne Natural Fertilizer is proud to be a part of the global movement toward building a more sustainable world. Better land management, protection of our waters, saving and rebuilding soils, improving lawns and landscape beds, serving landscape contractors and homeowners alike – all through the utilization of recycled, renewable natural resources. Suståne’s granulated, organic and natural base slow release fertilizers are produced in Minnesota and available through local distributors.

Suståne introduces a broad range of organic fertilizers designed and developed for the professional landscape and architectural applications. Suståne products are used for commercial and institutional projects, green roof fertilization, native flowers and prairie restoration. Suståne produces predictable results, dependable performance and high quality plants with low environmental impact, non toxic, safe for people, plants, animals and the environment.

Low Environmental Impact:

  • Safe for people, animals and the environment.
  • Organic nitrogen is released slowly to the plant, minimizing loss to the environment.
  • The longer N-release reduces energy requirements and labor vs. more applications of water-soluble synthetic fertilizers.
  • Suståne stimulates the natural cycling of nutrients and carbon between soil and plant.
  • Suståne reduces need for pesticides. Less pesticides reduce maintenance costs.
  • Suståne is biologically stable, pathogen free, will not reheat, will not combust, does not attract wild or domestic animals, birds or insects to establishment sites.

Low Carbon Footprint:

  • Made from natural renewable agricultural resources, has a low carbon & green house gasses (GHG) footprint.
  • Suståne complies with regulatory mandate and exceeds most health & safety standards.
  • The Suståne process avoids the generation of more significant green house gasses such as methane and nitrous oxide.
  • With Suståne the energy required to transport is reduce 4:1 per kg. vs. wet compost.
  • Granulation simplifies handling allowing more accurate application of fertilizer. The product stays where it was applied.


  • Seed Starting & Bedding Plants: Mix Suståne with soil substrate prior to planting.
  • Flower Beds & General Landscaping: Broadcast and incorporate Suståne in the spring and again every 45 days.
  • Potted Plant & Container Plants: Mix Suståne with soil substrate prior to transplanting.
  • Trees and Shrubs: For new planting, place Sustane 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.

Sustane Products Developed For Landscaping:

  • Suståne Mycorrhizae - Mycorrhizal fungi is used to treat disturbed soils that have been depleted of beneficial microorganisms.
  • Bolster MycoBio® - Blend of enhanced mycorrhizal inoculant, beneficial bacteria and humic acid.
  • Concentrated Compost - For general soil building. More efficient and easier to apply than typical city composts.
  • Bolster® 4-4-4+3Fe- Synergistic blend of Suståne Organic Compost, Mycorrhizae Innoculum and Biostimulants.
  • Bolster® Liquid - Biostimulant and Plant Growth Supplement. Includes seaweed extract and humic acid.
  • Suståne 4-6-4 Root Zone Feeder Packs - Single dose applications of 4-6-4 in a biodegradable paper filter packs.
  • Suståne 4-6-4 - The most effective organic starter fertilizer available.
  • Suståne 5-2-4+Fe - Granulated professional landscape fertilizer.
  • Suståne 8-2-4 - High organic nitrogen for long lasting nutrition.
  • Suståne 15-3-9 - Homogeneous fertilizer made with Suståne organic compost and UMAXX® stabilized nitrogen.
  • Suståne 16-0-6 - Zero phosphorus fertilizer compliant with phosphorus restriction regulations.
  • Suståne 18-1-8 - Long lasting, high nitrogen formulation made with Sustane organic compost plus four way release of nitrogen.
  • Suståne 16-4-8 8 Month Root Zone Feeder Pack Provides single dose of Suståne and Controlled Release Fertilizer in a biodegradable paper filter pack.
  • Hi-N 12-0-1 WDF - High nitrogen water soluble powder concentrate for irrigation and liquid application.