Grower's Secret Professional

Rated 4.7 out of 5
Based on 15 reviews




Grower's Secret Professional (GSP) is a highly concentrated organic (OMRI, CDFA, OIM approved) plant growth enhancer processed from a liquid culture of an edible mushroom grown in a mixture of pineapple juice, papaya puree, and molasses.  

Use in combination with plant fertilizers and supplements to increase uptake efficiency and optimize crop performance.

  • OMRI and CDFA OIM approved for organic food, fiber production
  • Fermented from Mushrooms and Fruit Juices
  • Suitable for use in organic and conventional farming

Total Nitrogen (N) 0.35%
0.01% Ammoniacal Nitrogen
0.34% Other Water Soluble Nitrogen
Available Phosphate (P2O5) 0.05%
Soluble Potash (K2O)  1.0%

The bottles need to have the dropper opened by piercing the plug in the tip before use.  It was put there to prevent the pressure changes from shipping from causing a leak.  We do know however that vigorous agitation also helps before use.  


 For Application Rates click here. 

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