Sigma AgriScience
Organic nutrition, beneficial microbes and soil-building carbon, engineered for the turf, farms and gardens that depend on healthy soil.

Manufactured in the USA
From raw material to market ready. Two granulation plants manufacture the product and two packaging facilities package it market ready, all to one Sigma standard.
We source natural raw materials and check them against Sigma specifications before they go into production.
Two granulation plants formulate and manufacture each product into a consistent granule, with quality control checks throughout production.
Two packaging facilities package finished product in bags, totes or bulk loads for turf, farming and private label.
Organic blending, liquid biological production and corporate offices.
Organic and Bridge granulars with Sigma biology built into every granule.
Bagging, tote filling and bulk loading for Sigma and private label programs.
Insights
How organic nutrients, living microbes and stable carbon work together in the root zone.
Read more →See what the season calls for by region and surface.
Technical sheetAnalysis and use on greens, fairways and sports turf.
Crop guideGranular and liquid options built around your fertility plan.
Private labelProven Sigma formulas, bagged and labeled under your name.
How we help

Sigma Foundation Programs, calculators and a full product library for professional turf.
Golf · sports turf · lawn care · sod
Organic and biological nutrition that feeds the crop and builds the soil.
Vegetables · fruit · orchards · specialty crops
Sigma formulas packaged under your brand for retail and distribution.
Consumer brands · retailers · distributorsAbout Sigma
Sigma AgriScience is a plant health biotechnology company. We develop, manufacture and market premium organic fertilizers and plant health products for professionals in agriculture, golf, sports turf, landscape, and lawn and garden.
Organic-based N-P-K grades that release steadily and feed the plant without a flush.
Living microbes in every granule and in our liquid biologicals, to put the soil to work.
Biochar and humate products that build organic matter and hold water and nutrients.
Formulas built to your spec and packaged under your brand.
Tell us who you are and we'll put you with the right person.