Stimplex Crop BioStimulant is an all-natural Plant Growth Regulator (PGR) and is registered with the U.S. Environmental Protection Agency (EPA) as a General Crop Biostimulant. It features naturally occurring plant growth stimulatory compounds, the benefits of the premium marine plant Ascophyllum nodosum, and a complex matrix of elements. STIMPLEX is approved for use on over 80 crops including: Fruits, Vegetables, Field Crops, Cotton, Turf and Ornamentals.