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AZOS® Blue

Plant Growth Promoting Bacteria

Nitrogen is required in the greatest amount of all nutrients transported to plants through the soil. It drives chlorophyll production in the foliage and keeps plants green and growing efficiently. AZOS® (Azospirillum brasilense) is a plant growth-promoting bacteria that live symbiotically with a host plant and supplies necessary nitrogen. 

How does AZOS Blue work?

Our atmosphere is made up of 80% nitrogen. AZOS absorbs this nitrogen as N2, converts it to a form that the plant can use and supplies it to the plant efficiently. 


Recommended single treatment on brassicas and co-treatment with MYKOS on most cereal & vegetable crops. Can be applied through drip line, tape, and most irrigation applications.


*Not for use in organic crop and organic food production

Azos Blue Powder ENGLISH 5lb.jpg
Image by Jason Mitrione

Benefits of AZOS Blue Powder

  • Plant growth-promoting bacteria

  • Reduces nitrogen fertilizer usage

  • Produces healthier and more vigorous plants

  • Improves plant establishment

  • Greater tolerance to environmental stresses

  • Easy to use


Unit Size

2.2 lbs / 1 kg

5 lbs / 2.27 kg

Single Specie Diazotrophic Bacteria

Azospirillum brasilense ... 1 x 10^6 CFU / g

Directions and Applications 


For Use on Row Crops (such as romaine, head lettuce, leafy greens, broccoli, celery, tomatoes, vegetables, melons, and berries), Vineyards, and Orchards.


Top/Side Dressing (Spray) and Irrigation:

Apply at a rate of 1 lb. per acre. Mix into a water holding tank, ensuring amount of gallons present in tank will equate to an application rate of 1 lb. Azos Blue per acre.

Note: 1 lb. is 4 and 1/3 cups of Azos Blue powder.

For Row Crops: Initial application recommended as top dressing at time of seeding or planting, followed by a second application as a top or side dressing 2-4 weeks later.

For Vineyards and Orchards: Initial application recommend in Spring when ambient temperatures reach 50 degrees Fahrenheit or above, dormancy ends, and spraying begins.


Mix 1 part Azos per 2 parts water into a cup, bowl, or container, and stir to create solution. Dip the bottom of cuttings into solution, pause, remove and set cutting into plug or media.



Add Azos Blue into each planting hole, ensuring direct root contact. Other option, dip roots into water and sprinkle Azos Blue powder on root bulb before transplanting. Rate varies based on root volume:

1-3 gallon container: 1 tablespoon

5-7 gallon container: 2 tbs

10-30 gallon container:  3 tbs

For more information concerning distribution, placing an order, product questions/applications, and field trials contact us at 1-800-784-4769.
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