Phosgard® 0-28-25 | Plant Nutrients for Soil and Foliar Application | JH Biotech Inc.

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Size: Gallon
$50 $82.50


Phosgard® 0-28-25 stimulates plants’ natural immune systems helping them prevent disease. Since we derive Phosgard® from phosphorus acid, unlike traditional phosphorus fertilizers that are derived from phosphoric acid, plants can utilize it quicker. 


  • Boosts vigor and growth 
  • Helps increase root growth 
  • Absorbed by roots and leaves 
  • Increased micronutrient availability 
  • Activates the immune system 

Package sizes: 

  • 1 Gallon 
  • 2.5 Gallons 
  • 55 Gallon Drums 
  • Tote 


This product is only available to ship to the following states: 

Alabama, Alaska, Arizona, Arkansas, California, Colorado (0-0-25), Connecticut, Delaware, Florida, Georgia (0-0-25), Hawaii, Idaho (0-0-25), Illinois (0-0-25), Indiana (0-0-25), Iowa, Kansas, Kentucky (0-0-25), Louisiana, Maine, Massachusetts, Michigan (0-0-25), Minnesota (0-0-25), Mississippi, Missouri (0-0-25), Nebraska, Nevada, New Hampshire, New Jersey, New Mexico (0-0-25), New York (0-0-25), North Carolina (0-0-25), Ohio, Oklahoma (0-0-25), Oregon (0-0-25), Pennsylvania (0-0-25), Rhode Island, South Carolina, South Dakota, Tennessee, Texas (0-0-25), Utah, Vermont, Virginia, Washington (0-0-25), West Virginia, and Wisconsin.



Phosgard® 0-28-25 can be applied to soil through various types of irrigation systems. The application rate is 64-80 oz./ac. (5-6 l/ ha).


Phosgard® 0-28-25 can be applied by air. Add recommended amount to 10 gal. of water. In concentrate or dilute ground sprayers, it should be diluted with at least 100 times of water.

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