Brands :: Humboldt Nutrients

Humboldt Nutrients Verde, 15 gal

Product Code:

HNV425

Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps plants healthy throughout their life cycle. Verde is a premium growth supplement with 16%...

$823.17 $1,192.99 -31%

Out of stock

Humboldt Nutrients Verde, 5 gal

Product Code:

HNV420

Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps plants healthy throughout their life cycle. Verde is a premium growth supplement with 16%...

$315.71 $463.99 -32%

In Stock: 26

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Humboldt Roots, 1 gal

Product Code:

HNHR425

Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly...

$111.38 $818.99 -86%

In Stock: 3

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Humboldt Nutrients Big Up Powder, 10 lbs

Product Code:

HNBUP425

Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and local trials. Many similar products contain artificial coloring and dyes, but Big Up...

$85.11 $500.99 -83%

In Stock: 4

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Humboldt Nutrients Verde, 1 gal

Product Code:

HNV410

Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps plants healthy throughout their life cycle. Verde is a premium growth supplement with 16%...

$76.87 $102.99 -25%

In Stock: 87

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Humboldt Honey Organic ES, 5 gal

Product Code:

HNHHO420

Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix levels by providing sugars to beneficial bacteria, fungi, and your plants. Just as the human...

$64.94 $381.99 -83%

Out of stock

Humboldt Nutrients Verde, 2.5 gal

Product Code:

HNV415

Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps plants healthy throughout their life cycle. Verde is a premium growth supplement with 16%...

$40.52 $244.99 -83%

Out of stock

Humboldt Honey Organic ES, 2.5 gal

Product Code:

HNHHO415

Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix levels by providing sugars to beneficial bacteria, fungi, and your plants. Just as the human...

$35.98 $212.99 -83%

Out of stock

Humboldt Roots, 0.5 gal

Product Code:

HNHR420

Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly...

$30.74 $451.99 -93%

Out of stock

Humboldt Nutrients Master-B, 2.5 gal

Product Code:

HNMB415

NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTAs....

$23.26 $170.99 -86%

In Stock: 1

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Humboldt Nutrients Verde, 1 qt

Product Code:

HNV405

Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth enhancer for hydroponic or soil crops, Verde keeps plants healthy throughout their life cycle. Verde is a premium growth supplement with 16%...

$21.86 $28.99 -25%

In Stock: 170

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Humboldt Nutrients Master-B, 5 gal

Product Code:

HNMB420

NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTAs....

$20.47 $300.99 -93%

In Stock: 3

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Humboldt Nutrients Calyx Magnum, 1 qt

Product Code:

HNCM405

With an available 2% (N), 3.4% (Ca), and 1.4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created Calyx Magnum without the use of chemical chelates like EDTA, which is so prevalent in other Cal Mag...

$17.16 $21.99 -22%

Out of stock

Humboldt Nutrients Mayan Microzyme, 1 qt

Product Code:

HNMM405

NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species of soil microorganisms that will increase fertility while providing vital nutrients to...

$7.21 $105.99 -93%

Out of stock

Humboldt Nutrients Mayan Microzyme, 8 oz

Product Code:

HNMM408

NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species of soil microorganisms that will increase fertility while providing vital nutrients to...

$4.76 $34.99 -86%

Out of stock

Humboldt Roots, 125 ml

Product Code:

HNHR400

Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly...

$3.78 $48.99 -92%

Out of stock

Humboldt Roots, 250 ml

Product Code:

HNHR410

Humboldt Roots is a highly concentrated organic root growth supplement that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly...

$3.10 $81.99 -96%

Out of stock