Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrh...

Bloombastic is a revolutionary nutritional supplement based on optimal levels of bio mineral nutrients combined with our next generation ATA biological stimulants to c...

Grow 12-6-6Grow is a natural based, odorless, high nitrogen, plant fertilizer. It has a 2-1 nitrogen ratio to enhance a plants growth and vigor. It encourages early gr...

TERP TEA GROWNPK  /  7 - 1 - 1DERIVED FROM:Bat Guano, Fish Bone Meal, Langbeinite, Kieserite, Dolomite, Soybean Meal, Feather Meal, Kelp MealRoots Organics Terp Tea Gr...

Nectar for the Gods One Shot Granules Oregon’s Only’s answer to amending soils for super soil style gardening.One Shot is a blend of natural ingredients that are groun...

Bloom 5-10-5Bloom is an odorless formula that supplies plants with a fast-acting, natural source of nutrients high in phosphorus. The high phosphate levels encourage e...

GreenFuse® Bloom Stimulator® is a highly concentrated natural plant growth nutrient supplement, blended from pure plant oils and extracts. Suitable for use in soil g...

SUPERthrive® - The Original Vitamin Solution SUPERthrive® is a highly concentrated non-toxic vitamin solution invigorating all variety of greenery for home gardeners ...

TERP TEA BLOOMNPK  /  3 - 7 - 4DERIVED FROM:Feather Meal, Dolomite, Soybean Meal, Langbeinite, Kieserite, Crab Meal, Fish Bone Meal, Bat Guano, Kelp MealRoots Organics...

Roots Organics Super Phos Bat Guano is incredibly high in phosphorus and calcium and is extracted from select caves when the quality is at its highest. Potent and powe...

This natural liquid plant food is clog-resistant, non-burning, odor and dust free, making it an excellent choice for a variety of applications as well as a superior ...

Growth Science Nutrients Strength Strength® provides your plants with Silica for an increased resistance to stress, helping to improve overall yield. Use Strength® th...

Green Gro Ultrafine Mycorrhizae will increase your plant's growth potential, fruiting and flowering potential and nutrient storage and uptake. It will promote massive ...

Happy Frog® Tomato & Vegetable Fertilizer is specifically formulated for use on all veggies, tomato varieties, soft fruits and berries. The nitrogen, phosphorus an...

Kelp 0.30-.025-.015 Supplies plants with a natural, fast-acting source of major nutrients. Increases biological activity in the soil Made from Ascophyllum nodosu...

The Bloom Booster you've been waiting for has finally arrived! Big-N-Sticky is the ultimate finisher to increase yield while producing the cleanest and best tasting h...

pH Down™Acidifier pH Down™ is an additive designed for use when you need to lower the pH into a more acidic range.The organic acid present in pH Down™ gently lowers t...

Purpinator 0-2-4 from RhizofloraWhat is Purpinator?Purpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin producti...

Roots Organics Uprising Grow is a diverse blend of natural and organic ingredients specially formulated for maximum results. This formula is effective alone, as an ame...

Roots Organics Uprising Foundation is a diverse blend of natural and organic ingredients specially formulated for maximum results. When used alone as an amendment, o...

Roots Organics Uprising Bloom is a diverse blend of natural and organic ingredients specially formulated for maximum results. This formula is effective alone, as an ...

Roots Organics Phos Bat Guano is an excellent source of phosphorus and calcium. Carefully processed and sifted to make it easy to work with, Roots Organics Phos Bat Gu...

Myco Chum is a premium organic microbe food and plant fertilizer made up of a powerful blend of molasses, fish hydrolysate, liquid kelp and humic acids.  It provides s...

RAW Cane Molasses is a highly concentrated, water soluble micronized molasses that gives all the benefits of liquid molasses without all the mess. The smallest 2oz pac...

Hercules was known for his strength and power: a perfect name for a product that gives your plants just that. Herculean Harvest increases the availability of calcium a...

Product Name: Insect FrassProduct Description:Insect Frass is the excrement of herbivore insects. Insect Frass is not an insecticide. Insect Frass contains every macro...

An intense nitrogen formulation that may be used as a potent grow fertilizer that will generate lavish vegetative growth, or a dynamic general-purpose formula that wil...

Elements Bloom is a high-phosphorus formula developed to help promote budding, flowering and the production of essential oils and fragrances of flowers and herbs. May ...

Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premi...

GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Thro...

Grow 2-1-6 Humboldt Nutrients Grow formula, was designed in Humboldt County to be used with our Micro and Bloom to be a complete growing nutrient system for hydroponi...

8% Refined Humic Acid Concentrate FlavorFul FlavorFul is a strong solution of 8% refined humic acid concentrate, a little-known and highly useful additive. The major...

Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium during the final stages ...

A 100% organic biostimulant that enhances a plants ability to absorb and utilize nutrients. Derived from natural occurring cytokinins, hormones, enzymes, vitamins, ami...

What is Z7? Z7 is the biggest technology breakthrough in the last 50 years for growers and the plants they love! Z7 is a super concentrated, two-part, proprietary pr...

Elite Root Igniter (Mycorrhizae) The beginning stages of plant growth are the most critical. Elite Root Igniter is used to bolster root structure and improve nutrient ...

What is Acti·Vera?Acti·Vera has been designed to protect the immune system, increase metabolism and enhance nutrient absorption in all sorts of plants.How to use it?Ac...