Our Products have Worldwide Recognitions!

Superior Quality Agricultural Products

Humates USA is a world leading supplier of organic bio-stimulant & Fertilizer products.

Humic Acid

It is a High Quality & completely Organic

Fulvic Acid

Our Natural Fulvic Acid is used in plant growth.

"Let's Make Your Garden Beautiful And Green!"

Fertilization

We provide variety of organic Fertilizers

Equipment

Sorry! Our Equipment page is coming soon

Why Choose Us

We are passionate about what we do & we provide the best service.

Fast Delivery

All products delivery options are provided to our clients

High Quality Products

All our products are 100% Organic and natural

Client Support & Help

We always provide help to our clients before & after purchase

Satisfaction Guaranteed

99.99% of our clients are Happy & satisfied, why wouldn't you?

Home Delivery
Happy People
Tons Of Goods
Tree plant

What's Our Clients Say

Here are 4 testimonials that our website randomly picked on a daily basis...

I have to give HumatesUSA a lot of credit because all the colorful flowers made my yard look wonderful. I had a ton of wonderful tomatoes too. Thank you HumatesUSA / GreenDiamondUSA! It does everything it claims to do! Thank you!
Nadine Munny
Fashion Designer
I will admit that I used to use others Fertilizer. No one carries this product any longer and GreenDiamondUSA product appeared to meet the same standards, thus I feel that it will do the same and knowing the name of GreenDiamonsUSA it should be the best.
Pascal Henson
Entrepreneur
If you are looking for some awesome, organic products to use on your garden or field, these are the guys I highly recommend. Their friendliness and result-driven approach are what I love about them.
Robert Anderon
Manager
I have been using HumatesUSA / GreenDiamondUSA Product on all my lawn for years. That includes Humic Acid and Fulvic Acid. Gives your flowers a real boost. I use it every other month. This product will last me one summer season, because I have so many flowers.
Carmen Loo
Freelancer
HumatesusaRose

Questions & Answers

Our clients common questions are listed bellow. But, if you have any other specific questions please leave us a message on our contact page. Your questions will be answered right the way.

  • We’re passionate about what we do.   
  • We provide the best service.
  • Our quality is the best.
  • We’re a proven leader in our field.
  • We’ve been in business for over 10 years.

Our products are available on Amazon and on our website: GreenDiamondUSA.com

Yes, our products are US registered with Florida Department of Agriculture and certified organic with OMRI. for more info please visit our website: HumiatesUSA.com