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Organic Fertilizers


Dr Greenthumb
Dr Greenthumb
Dr Greenthumb

Why organic plant fertilizers?

One of our customers grew this 1.29 lb. (20.645 oz.) Brandywine tomato using organic fertilizers! >>>>>>

Vegetables, fruits and herbs will have improved flavor with NO chemical tang. Flower scents will be enhanced (and more pure) using organics.

Organic fertilizers contain only biobased ingredients.

If you prefer to see a price list go here


  Age Old Organics Bloom and Grow 

Age Old Grow and Age Old Bloom make a formidable fertilizing team! Plus - they are odorless! Age Old liquid nutrients come highly recommended for soil and hydroponics gardening, both indoor and outdoor use. 

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  Age Old Organics Ca-Libur 20 

Ca-Libur 20 is an organic liquid calcium supplement used for correcting calcium deficiencies in order to help strengthen the cell walls of your plants. 

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  Age Old Organics Fish and Seaweed 

Age Old Fish and Seaweed is an organic fertilizer that works well in both soil and hydroponics. 

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  Age Old Organics Humic Acid 12 

Age Old Humic Acid 12 liquid is 100% organic. Humic acid is used to reclaim soils damaged by chemicals. 

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  Age Old Organics Kelp 

Age Old Organics Liquid Kelp concentrate is the original soil and plant bio-stimulant! Made from Norwegian Sea Kelp (Ascophyllum Nodosum), Age Old Kelp is 100% organic. 

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  Age Old Organics Promote 

Age Old Promote Root Zone Management is a combination of Humates, seaweed extract and wetting agents designed to work in harmony to break the chemical bonding of tied-up mineral nutrients in the root zone. 

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  Alaska Fish Fertilizer 

Alaska Fish Fertilizer is rich in natural nutrients with a mild formulation that helps prevent fertilizer burn. 

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  Alaska MorBloom 

Formulated to give you the most dazzling flowers and tastiest vegetables in the neighborhood! Alaska MorBloom promotes vigorous root growth needed for superior plant health. 

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  Alfalfa Meal 

You can use Grow More Alfalfa Meal in your vegetable garden, on roses, and other flowering plants. 

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  Algamin Kelp Meal 

Algamin Kelp Meal is a rich organic source of nitrogen and potassium. Algamin is fresh-cut Norwegian seaweed slowly, mechanically dried, cleaned, desalted and ground into dust-free meal. 

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  Ancient Amber 

Roots Organics Ancient Amber is specially extracted for low molecular weight from Leonardite, a rare form of lignite coal composed of ancient plant material. 

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  Azomite Granular 

Azomite is a natural mineral product containing a broad spectrum of over 70 metabolically active minerals and trace elements. 

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  B`CuzZ Bio Stimulant Booster Pack 

The B`Cuzz Booster Pack is a set of gardening stimulants to help take your plants from start to finish. Simply add them to your existing fertilizer program to get amazing results. 

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  B`CuzZ Bio Stimulants 

The B'CuzZ Stimulator products are tailored to work sequentially with each other through the growing stages and maintains the biological balance while maximizing growth. With B`CuzZ, the professional grower can stimulate the plant from seed or cutting to mature plant with rapid and efficient fission, cell expansion, and cell differentiation (lots of produce!). B'cuzZ grown plants are excellent for cloning. 

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  B`CuzZ Foliar 

B'Cuzz Foliar was developed by Atami to enhance the performance of plant stimulants during all phases of plant growth and development. 

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  Big Bloomin Guano 

Earth Juice Big Bloomin' Guano is an amazing bloom fertilizer that energizes your flowering or fruiting plants. 

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  BioAg CytoPlus 

A combination of soluble seaweed extract and seven micronutrients, BioAg CytoPlus is an excellent source of beneficial organic compounds, including humic and fulvic acids. 

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  BioAg Ful-Humix Humic Acid Concentrate 

BioAg Ful-Humix is a water soluble humic powder and soil/nutrient activator. It increases nutrient efficiency and uptake, increases cellular activities at all levels. 

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  BioAg Ful-Power Humic Acid 

Often referred to as the champagne of humic acids, BioAg Ful-Power Humic Acid is an excellent choice for all gardening applications. 

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  BioBizz Alg-A-Mic 

Alg-A-Mic, from BioBizz, is a high-grade organic seaweed concentrate extracted through cold-press. Alg-A-Mic can be used as a nutrient supplement or as a foliar spray. 

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  BioBizz Bio-Bloom 

Bio-Bloom organic nutrient can be used for soil, soilless, or fortified coco. Use BioBizz's Bio-Bloom from the beginning of fruit or flower production until harvest for larger, multiple blooms with enhanced color, texture, and aroma in flowering plants. 

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  BioBizz Bio-Grow 

Bio-Grow is based on 100% organic Dutch sugar beet extract, packed with sugars to build Brix readings in plants and rejuvenate the life of your soil or activated compost. An ideal nutrient for vegetable gardens! 

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  BioBizz Fertilizer Starter Pack 

The BioBizz Starter Pack is a great way to test these proven organic, chemical-free plant nutrients that are CU* certified. 

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  BioBizz Fish-Mix 

Fish-Mix, from BioBizz, is an outstanding fertilizer in the field of organic growing, yet mild enough for young plants. 

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  BioBizz LeafCoat 

BioBizz LeafCoat is a natural latex-based foliar spray that was designed to protect your plants against fungi and disease. 

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  BioBizz RootJuice 

RootJuice is a 100% vegetable root stimulator that creates explosive root growth in existing rooted plants through the stimulation of the natural microbiology surrounding the root system. 

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  BioBizz TopMax 

TopMax, from BioBizz, is a 100% organic bloom stimulant comprised of the pure essence of special flowers, sea kelp and leonardite. 

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  BIOCANNA Bio Boost 

BIOCANNA Bio Boost is a naturally fermented plant extract that is 100% organic. Developed for use during the blooming stage, this supplement stimulates the development of newly formed flowers to generate fuller fruit with more flavor! 

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  BIOCANNA Bio Flores 

BIOCANNA Bio Flores was developed for the blooming stage of fast growing plants. This one-part 100% organic fertilizer is for use with plants grown in soil. 

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  BIOCANNA Bio Vega 

BIOCANNA Bio Vega is a one-part organic fertilizer for use during the vegetative stage. Developed for growing in soil, it is rich in highly absorbable betaine nitrogen that is released according to your plants needs. 

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  BioPreta Worm Poop and Charcoal 

The BioPreta Vermicompost Teapot is a blend of worm poop and charcoal that adds organic material to your soil and keeps it there for a very long time! Convert to compost tea for hydroponics use. 

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  Botanicare® Fulvex Trace Minerals 

Botanicare Fulvex increases the availability of nutrients while enhancing mineral diffusion into root cells without the use of harsh chemicals. 

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  Bountea Garden Tea Brew Kit 

The Bountea Garden Tea Brewer includes everything you need to brew your own organic compost tea in one straightforward kit. 

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  Buddha Bloom 

Created by Aurora Innovations, Buddha Bloom is made of extracted, condensed ingredients to give you a quality liquid fertilizer that encourages optimum blooming in your plants 

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  Buddha Grow 

Roots Organics Buddha Grow is a one-part organic vegative growth nutrient formulated for both soil and soilless gardens. 

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  Budswel Dry Organic Fertilizer 

This finely sifted dry mixture is easy to use as a water-on fertilizer or a small area broadcast. Budswell is an ideal companion mix to Super Tea. 

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  Budswel Dry Super Tea 

Budswel Super Tea mix is ideal for houseplants or leafy vegetables. It provides a nutritious meal for lettuce, spinach, even azalea bushes in the spring. 

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  Budswel Liquid Organic Fertilizer 

Budswel organic fertilizer boosts production in fruit trees and fruit-bearing vines like watermelon, cantaloupe, squash and grapes. Excellent for roses, irises or any other ornamental flowering plants. 

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  Budswel Liquid Super Tea 

Budswel liquid Super Tea provides the nutrional balance needed for lettuce, spinach, houseplants, and azalea bushes in the spring. 

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  Bush Doctor Boomerang 

When your plants are ailing, Bush Doctor Boomerang helps heal damaged root tissue to stimulate a faster recovery. 

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  Bush Doctor Flowers Kiss 

Bush Doctor Flowers Kiss foliar spray is an organic topical plant food designed to be easily absorbed through stomata on plant leaves. 

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  Bush Doctor Kangaroots Root Drench 

FoxFarm BushDoctor Kangaroots is an organic macro and micronutrient formula that enhances both primary and secondary root development. It also contains concentrated amounts of microbes to enrich soil or growing medium! 

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  Bush Doctor Microbe Brew 

FoxFarm BushDoctor Microbe Brew Plant Food Activator feeds your plants and the beneficial microbes at the same time! 

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  Bush Doctor Root Trio 

Use the Bush Doctor Root Trio pack for incredible root strength in your plants. 

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  Bush Doctor Sledgehammer 

FoxFarm BushDoctor Sledgehammer fertilizer rinse is designed to remove excess fertilizer buildup to improve water movement through both soil and soilless growing mediums. 

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  Charlie's Compost 

Charlie's Compost will jumpstart the bioactivity and nutrient content of your soil. 

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  Coco-Wet Organic Wetting Agent 

Coco-Wet wetting agent is completely organic, nonionic, and compatible with all nutrient sprays. 

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  Diamond Black 

General Organics Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. 

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  Diamond Nectar 

Contains the highest quality, most effective fulvic acid available and is safe to mix with hydroponics solutions, soil, or foliar applied fertilizers. 

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  Earth Juice Assist wetting agent 

Earth Juice Assist is a natural wetting agent and media conditioner. Use Assist to soften soils for better moisture penetration and to increase fertilizer availability. 

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  Earth Juice Bloom and Grow 

Earth Juice Grow and Earth Juice Bloom are 100% organic nutrients. Their non-burning formulas stimulate vigorous growth, and provide abundant yields, while improving the soil. 

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  Earth Juice Catalyst Activator 

Earth Juice Catalyst is a 100% organic additive that conditions soils and hydroponic solutions for better nutrient availability. 

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  Earth Juice Meta-K Potassium Fertilizer 

Earth Juice Meta-K is a 100% natural liquid potassium nutrient for maturing, fruiting, and flowering plants that require more potassium. 

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  Earth Juice Microblast Minerals 

Earth Juice Microblast is a proprietary liquid micronutrient formula to be used to prevent and correct micronutrient deficiencies. 

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  Ecklonia Kelp Plant Growth Stimulant 

Ecklonia Kelp Plant Growth Stimulant is a 100% organic nutrient supplement that is made from Ecklonia Maxima, an edible species of brown kelp seaweed. It is completely non-toxic to humans, animals, birds and insects. 

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  Espoma Flower-tone 

Espoma Flower-tone is an organic flower food that is low in nitrogen to prevent burning your plants. It's also high in phosphorous and potassium to maintain good plant growth and promote blooms rather than heavy foliage. 

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  Espoma Organic Cottonseed Meal 

Espoma Cottonseed Meal is an organic plant food that feeds acid loving plants, generating faster growth and blooms. 

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  Espoma Organic Garden Gypsum 

Espoma Garden Gypsum is a 100% organic product that helps counteract soil damage caused from salt used in winter de-icing. 

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  Espoma Organic Garden Lime 

Espoma Organic Garden Lime is pellitized for easy application and is much safer than hydrated lime. 

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  Espoma Organic Soil Acidifier 

Espoma organic Soil Acidifier is an effective way to lower soil pH to its optimal range for acid loving plants such as rhododendrons, azaleas and hydrangeas. 

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  Espoma Organic Traditions Bone Meal 

Espoma Organic Traditions Bone Meal is an all natural source of organic phosphorous and nitrogen. 

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  Espoma Organic Traditions Dried Blood 

Espoma Organic Traditions Dried Blood is a safe source of organic nitrogen. 

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  Espoma Organic Traditions Greensand 

A mineral-based soil amendment, Espoma Greensand is rich in the conditioning element glauconite, a marine material composed primarily of iron-potassium silicate. 

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  Espoma Organic Traditions Rock Phosphate 

Espoma Organic Traditions Rock Phosphate is a 100% natural source of phosphorus. Plants require this nutrient for healthy root development and for fruit and flower production. 

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  FloraBlend Vegan Compost Tea 

General Hydroponics FloraBlend Vegan Compost Tea promotes vigorous root growth while strengthening your plant’s immune system. It also provides the carbon building blocks needed for improved color and flavor of fruits and vegetables. 

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  Floralicious Grow / Floralicious Bloom 

Floralicious Bloom and Floralicious Grow, from General Hydroponics, brings out your plant's full genetic potential by augmenting metabolic activity in the root zone. This potent organic nutrient additive is made from the best nature has to offer! Floralicious contains a perfect balance of vitamins, phytohormones, humic acids, polysaccharides, fructans, beta-glucans, L-amino acids, and polyflavonoids. 

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  Floralicious Plus 

Floralicious Plus contains the organic building blocks of life. It enhances metabolic growth and essential oil production, promotes flower development, stimulates fruit swelling and encourages beneficial microbial activity in the root zone. 

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  FoxFarm American Pride organic based fertilizer 

American Pride All Purpose Dry Mix Fertilizer is a biologically active blend of potent, high test plant foods, formulated to provide an abundance of essential elements that are needed for healthy plant life. American Pride is exceptional for Roses, producing deep, rich foliage and abundant blooms. 

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  FoxFarm Big Bloom™ Liquid Plant Food 

FoxFarm Big Bloom is a live culture of vitamins, amino acids, natural growth hormones, enzymes, and beneficial organic microbes formulated to give your plants strong, large, multiple blooms and sweeter fruits. 

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  General Organics BioMarine® 

Part of the General Organics (GO) line from General Hydroponics, BioMarine is a fish-based fertilizer that encourages and supports beneficial microbes to improve soil vitality. 

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  General Organics BioThrive® Bloom 

General Organics BioThrive Bloom is formulated by General Hydroponics to provide your plants maximum flower, fruit, and seed production. 

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  General Organics BioThrive® Grow 

General Organics BioThrive Grow is formulated by General Hydroponics to provide your plants maximum vegetative growth. 

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  General Organics BioWeed 

Part of the new General Organics (GO) line from General Hydroponics, Bio Weed takes advantage of cold processed seaweed to promote natural intense vegetative growth. 

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  General Organics GO Box 

The General Organics GO Box starter pack gives you every plant fertilizer and amendment needed to grow a healthy garden from start to finish! 

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  Grandma Enggy's F-1 Fulvic Acid 

100% organic! Grandma Enggy's F-1 helps your plants grow faster and produce higher quality harvests. It increases nutrient absorption, nutrient transport, and more cellular metabolism than any other Fulvic extract. 

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  Grandma Enggy's H-2 Humic Acid 

Grandma Enggy's H-2 Humic Acid is 100% organic magic! Rich in several minerals needed for optimum plant growth, it helps convert a variety of elements into easily absorbed forms for healthy crops. 

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  GreenFuse Bloom Stimulator 

Hydrodynamics International GreenFuse Bloom Stimulator is 100% organic. It invigorates the natural blooming cycle of your plants, resulting in flowers and fruits with superior aroma and flavor. 

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  GreenFuse Growth Stimulator 

Hydrodynamics International GreenFuse Growth Stimulator is an organic nutrient supplement to be used during the vegetative growth stage of your plants. 

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  GreenFuse Root Stimulator 

Hydrodynamics International GreenFuse Root Stimulator helps initiate new roots so your plant cuttings can more easily resist wilting and go on to develop a strong healthy root system. 

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  Grow More Vegetarian Fertilizer 

GrowMore Vegetarian Fertilizer is recommended for use on your vegetables and fruit bearing plants. 

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  Happy Frog All Purpose Fertilizer 

FoxFarm Happy Frog All Purpose is a slow-release organic fertilizer that works great for just about every plant. 

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  Happy Frog® Acid Loving Plants Organic Fertilizer 

Happy Frog Acid Loving Plants Organic Fertilizer was developed for plants that demand low pH levels, such as blueberries, raspberries, strawberries, potatoes, rhododendrons, azaleas and hydrangeas. 

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  Happy Frog® Fruit and Flower Organic Fertilizer 

Happy Frog Fruit and Flower delivers multiple blooms and great bud set for all your flowering plants. Expect brighter colors, increased scents, and delicious flavors! 

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  Happy Frog® High Phosphorus Bat Guano 

Happy Frog High Phosphorus Bat Guano is perfect for gardeners who want the extra strength of this single, powerful ingredient. 

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  Happy Frog® Jump Start Organic Fertilizer 

Ideal for transplanting seedlings and repotting container plantings. Happy Frog Jump Start Organic Fertilizer is a gentle blend that includes phosphorus for healthy root development and calcium which helps buffer acidic soils while increasing a plant’s ability to fight off disease. 

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  Happy Frog® Organic Bulb Food 

FoxFarm Happy Frog Bulb Food was created to support gorgeous flowers and a long blooming season. Ideal for tulips, daffodils, hyacinths or any other flower bulbs. 

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  Happy Frog® Steamed Bone Meal 

For healthy plant growth and spectacular flowers, supplement your regular feeding program with Happy Frog Steamed Bone Meal. 

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  Happy Frog® Tomato and Vegetable Organic Fertilizer 

Happy Frog Tomato and Vegetable Organic Fertilizer is precisely designed for use on all vegetables, tomato varieties, soft fruits and berries, the balanced ratios between nitrogen, phosphorus, and potassium will allow the plant to feed vigorously while producing abundant high quality fruit set. 

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  Hi-Brix Molasses 

Earth Juice Hi-Brix Molasses is a highly prized molasses that is a natural source of carbohydrates and plant nutrients. 

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  Humboldt Honey Organic ES 

Humboldt Honey Organic ES (Extra Strong) is an excellent source of carbohydrates for all plants. 

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  Humboldt Nutrients DeuceDeuce 

Organic DeuceDeuce, from Humboldt Nutrients, contains large amounts of potassium derived from Probiotic Potassium, and Sulfate Of Potash. 

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  Humboldt Nutrients FlavorFul 

Humboldt Nutrients' FlavorFul is 8% fulvic acid - much stronger than others in the market. The dark amber color confirms the high concentration! 

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  Humboldt Nutrients Organic Bloom Natural 

Humboldt Nutrients' Organic Bloom Natural is an ultra-concentrated fertilizer that provides the large boost of phosphorus and calcium your plants need to thrive during the flowering stage. 

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  Humboldt Nutrients Organic Grow Natural 

Humboldt Nutrients Organic Grow Natural gives your plants the balanced nutrition they need to thrive during the vegetative and flowering phases. 

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  Humboldt Nutrients Verde 

In Spanish, verde translates into green, and green is what you'll get when you use Humboldt Nutrients' Verde in your garden! This one-part organic growth catalyst can also be used as a foliar spray with either hydroponics or soil-based gardens. 

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  Hum-Bolt Liquid Humic Concentrate 

For years Humic Acid has been largely absent from our soil, due to erosion and over-farming and has long been missing in our food chain. 

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  Iguana Juice Bloom 

Iguana Juice Bloom is a one-part, 100% organic plant fertilizer that works well in hydroponics, aeroponics, soil and outdoor gardens! Use Iguana Juice Bloom when you want extraordinary flowering and fruiting results. 

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  Iguana Juice Grow 

This 100% organic one-part plant nutrient that is fully water soluble. Iguana Juice Grow works well in hydroponics, aeroponics, soil and outdoor gardens! 

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  Indonesian Bat Guano 

Sunleaves Indonesian Bat Guano provides the highest phosphorus rating available in a guano. It encourages multiple blooms and hardy root growth. 

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  International House of Guano Kit 

The Sunleaves International House of Guano provides plants with the perfect level of nutrients for each stage of development. 

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  Jamaican Bat Guano 

Sunleaves Jamaican Bat Guano is rich in phosphorus to give blooming flowers and ripening fruits a boost by enhancing root and bud development. 

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  Liquid Humus 

Liquid Humus is an excellent natural organic source of concentrated essential nutrients, vitamins and trace elements. 

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  Liquid Karma 

Liquid Karma functions as a growth engine because its high metabolic activity produces a large amount of energy, which is immediately transformed to growth. This Bio-catalyst plant stimulant contains a full complement of metabolically active organic compounds not found in regular plant foods or supplements. 

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  LXR Gold organic supplement 

Grotek LXR Gold is an organic liquid supplement that assists nutrient uptake and distribution within a plant. Works well in soil or hydroponics gardening. 

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  Marine Cuisine natural fertilizer 

FoxFarm Marine Cuisine dry fertilizer is rich in organic nutrients. The time-release method encourages beneficial microbes that improve your soil and assist plants in nutrient uptake. 

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  Maxicrop Liquid Fish 

Maxicrop Liquid Fish is made of fresh fish from the Atlantic Ocean and contains no chemical additives. Maxicrop Liquid Fish contains naturally occurring amino acids, as well as a huge complex of chelated minor elements (especially B vitamins). 

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  Maxicrop Liquified Seaweed 

Maxicrop Liquified Seaweed is made from pure seaweed extracts containing natural growth stimulants which initiate cell growth and cause vigorous growth of both root and stem. Maxicrop Liquified Seaweed organic plant fertilizer works well for both indoor and outdoor gardening. 

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  Maxicrop Liquified Seaweed Plus Iron 

Maxicrop Liquified Seaweed Plus Iron contains 2% iron. A unique combination of pure seaweed extract with readily sequestered iron in an easy-to-use liquid form. This high iron formulated product, when sprayed directly onto foliage, or applied as a root drench will prevent yellowing (chlorosis) of leaves, especially in acid-low (calcifuge) plants. 

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  Maxicrop Soluble Seaweed Powder 

Maxicrop Soluble Seaweed Powder stimulates beneficial soil microbe activity which helps improve your garden's natural resistance to stress. It also extends the root system to give your plants greater access to nutrients and water in the soil for improved long term health. 

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  Mayan MicroZyme 

Mayan MicroZyme, from Humboldt Nutrients, is a 100% organic and ecologically safe bacterial-enzymatic complex that decreases the risk of disease causing bacteria. 

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  Mendocino Honey 

Mendocino Honey is an organic nutrient additive made from honey and Montmorillinite, a source of over 70 trace elements. 

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  Mexican Dry Bat Guano 

Nitrogen-rich Sunleaves Mexican Bat Guano stimulates vegetation by substantially enhancing leaf growth and overall plant vigor. 

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  Mexican Liquid Bat Guano 

Sunleaves Liquid Mexican Guano encourages robust vegetative development and overall plant vigor. 

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  Microbe Life Foliar Spray and Root Dip 

Microbe Life Foliar Spray and Root Dip contains Ecto and Endo Mycorrhizal Fungi that live on the roots of your plants to form a healthy symbiotic relationship. 

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  Microbe Life Nourish-L 

Microbe Life Nourish-L is a unique, water soluble, liquid humate derived from highly decomposed organic humus deposits. It contains a combination of naturally occurring microorganisms that help to maintain both appearance as well as the vigor of vegetables and plants. 

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  Microbe Life Photosynthesis Plus 

Photosynthesis Plus is a complete ecosystem in a bottle. It enhances plant functions at the foliar level and the root zone in both soil and soilless substrates. 

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  Mother Earth Super Tea Bloom 

This 100% organic bio-stimulant is a great source of nutrients, metabolic precursors and growth promoters. Mother Earth Super Tea Bloom revitalizes soil and boosts plant health. 

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  Mother Earth Super Tea Grow 

Mother Earth Super Tea Grow is a blended organic formula that supplies plants with comprehensive nutrition and revitalizes both soils and crops. 

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  Myco Madness Soluble 

Made by Humboldt Nutrients, 100% organic Myco Madness contains a biologically active package, 8 mycorrhizal species, 12 beneficial bacteria and 2 Trichoderma species well-suited to a variety of media, soil conditions, climates and plants. 

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  Myco Maximum Granular 

Myco Maximum granular is an organic biological innoculant that contains 8 species of growth-enhancing mycorrhizal fungi, 12 strains of beneficial bacteria, 2 Trichoderma species, plus other proprietary ingredients (humic acid, carbohydrates, amino acids). 

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  Nature's Nectar™ Nitrogen 

Grow like the professionals! Nature's Nectar Nitrogen is part of a group of nutrients that let you determine the exact ratio of N (Nitrogen) - P (Phosphorus) - K (Potassium) best suited for your plants so you can customize your plants' nutrients yourself! 

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  Nature's Nectar™ Phosphorus 

Nature's Nectar Phosphorus is part of the leading all natural nutrient line in commercial food and fruit production. 

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  Nature's Nectar™ Potassium 

Nature's Nectar Potassium is part of a nutrient trio that gives you individual N-P-K components to mix your own customized fertilizer and treat deficiencies, just like the professionals. 

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  Neptunes Harvest Crab Shell 

Neptune's Harvest Crab Shell is an excellent organic source of nitrogen, phosphorous, calcium (23%), and magnesium (1.33%). The high calcium content and slow release nitrogen and phosphorous makes this a good fertilizer when planting bulbs in spring and fall. A safe, natural slow-release fertilizer, Crab Shell also helps with nematode and fungus problems. 

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  Neptunes Harvest Fish / Seaweed 

Neptune's Harvest 100% Organic Fish / Seaweed Fertilizer gives you a perfect blend of fish hydrolysate and seaweed, ensuring a complete fertilization program without the worry of plant or root burn. 

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  Neptune's Harvest Fish Fertilizer 

Neptune's Harvest Fish is an organic fertilizer made from fresh North Atlantic fish. It is made by a unique cold process that protects the vitamins, amino acids, enzymes and growth hormones that plants love. 

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  Neptunes Harvest Kelp Meal 

Neptune's Harvest Kelp Meal is Ascophyllum Nodosum, which is widely recognized as one of the finest marine plants available for agriculture today. Kelp Meal contains vitamins, minerals, carbohydrates enzymes, amino acids and growth hormones necessary for optimum plant growth. Since it is 100% organic, this fertilizer won't burn plants or roots, plus it is environmentally safe! 

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  Neptune's Harvest Seaweed 

Neptune's Harvest Seaweed fertilizer supplement is an organic storehouse of over 60 naturally occurring major and minor nutrients and amino acids. 

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  Nirvana Bloom Biostimulant 

Nirvana Bloom Biostimulant, from Advanced Nutrients, is 100% organic! Created specifically for hydroponics gardening, Nirvana provides bloom-swelling stimulants that increases flower aroma and grows larger, better tasting fruits or vegetables.  

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  Nitron A-35 soil conditioner 

Nitron Formula A-35 is an organic soil conditioner that enhances your fertilizers while restoring life to deficient soil. While improving soil texture, this 100% natural enzyme liquid makes more nutrients and trace elements available to your plants by breaking up clay or hardpan soils to help increase microbial action. 

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  Nitrozime Marine Algae Extract 

Nitrozime stimulates plant growth by increasing cell division which improves yield by decreasing plant stress. Nitrozime is also effective as a seed treatment. Cytokinins, the natural plant growth hormones which are necessary for plant growth, nutrient mobilization and distribution, germination, cell division, root development, flowering and seed formation are the core of Nitrozime formulation. 

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  Orchid Champion Enzyme Solution 

Orchid Champion™ is the secret is maintaining a healthy growing environment for your orchids! 

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  Oregonism XL 

Roots Organics Oregonism XL is a distintive blend of endo/ecto-mycorrhizae, beneficial bacteria, and Trichoderma. 

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  Organa-Add 

Plants will green up and harden up faster when cuttings are foliar fed with Organa-Add. It increases the rate of nutrient absorption and helps plants withstand environmental stress. 

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  Organa-Guano Liquid 

Organa-Guano, from Higrocorp, is effective for hydroponics, aeroponics and soil cultivation. This multi-use additive stimulates early flowering and maximizes the size and weight of both fruit and flowers. 

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  Organic B 

Advanced Nutrients Organic B helps plants handle the stress of intense hydroponic gardening. This 100% organic nutrient supplement contains a wide range of B vitamins that strenghtens your crops by promoting faster nutrient absorption. 

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  Organically Done Feathermeal 

Organically Done Feathermeal is high in nitrogen and is safe for general soil amendment and plant fertilization. 

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  Organically Done Fishbone Meal 

Derived from ground fish bone, Organically Done Fishbone Meal is an excellent source of phosphorous, calcium and trace minerals. 

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  Organically Done Humic Acid Granular 

Organically Done Humic Acid is a critical component of the natural soil-plant relationship. It improves soil structure, promotes microbial activity and enhances plant nutrient uptake. 

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  Organically Done Oyster Shell Flour 

Oyster Shell Flour is a finely-ground powder supplement that provides a calcium boost to your garden. Also contains other beneficial micronutrients. 

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  Peruvian Dry Seabird Guano 

High in the nutrients needed for every stage of plant growth, Sunleaves Peruvian Seabird Guano is an effective, all-purpose fertilizer. 

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  Peruvian Liquid Seabird Guano 

When you use Sunleaves Liquid Peruvian Seabird Guano you get bigger blossoms and juicier fruits. Use it on houseplants, vegetables, ornamentals and fruit trees. 

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  Piranha Beneficial Fungi Liquid 

Piranha Beneficial Fungi liquid is a powerful weapon against Nematodes, disease, mold and mildew. When used as a foliar spray, Piranha protects against gray mold, mildew, Pythium, Rhizoctania solani, Fusarium, Sclerotium rolfsii, Sclerotinia homoeocarpa and other microbes that that can harm your plant's leaves and flowers. 

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  Piranha Beneficial Fungi Powder 

Piranha Beneficial Fungi powder is a powerful weapon against Nematodes, disease, mold and mildew. When used as a foliar spray, Piranha protects against gray mold, mildew, Pythium, Rhizoctania solani, Fusarium, Sclerotium rolfsii, Sclerotinia homoeocarpa and other microbes that that can harm your plant's leaves and flowers. 

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  Primal Harvest Solution Guano 

Primal Harvest Solution Guano is a bloom fertilizer that is 100% Ancient Fossilized Phosphate Guano. 

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  ProZymE Biological Inoculant 

Made by California based Humboldt Nutrients, ProZymE is an all natural concentrated enzymatic formula containing more than 80 different enzymes. 

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  Pura Vida Organics BLOOM 

Pura Vida Organics Bloom is suitable for use in hydroponic, soil, and soilless based gardening mediums. Technaflora's processing ensures no irrigation line clogging when used hydroponically. 

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  Pura Vida Organics GROW 

Organic Pura Vida Organics Grow is formulated from plant materials that is fermented to generate sufficient NPK plus essential micro nutrients to sustain rapid, aggressive growth during the vegetative stage. 

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  Pure Blend - Original Formula 

Botanicare's Pure Blend Original Formula is a hydro-organic compost solution blended with select ingredients from the land and sea. It reduces plant stress caused by severe environmental conditions, such as heat, frost and drought. 

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  Pure Blend Pro 

Pure Blend Pro, by Botanicare, is a one part, stand alone plant food. The Pure Blend Pro trio includes hydro-organic vegetative formula, fruit and flower formula and bloom soil formula. Each is a specialty custom blend of organic and natural sources of the essential major, secondary, and trace minerals in 100% soluble form - from the land and the sea. 

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  Purple Maxx 

Purple Maxx Snow Storm contains active amino acids that enhance the intensity of color on flowers, fruits and vegetables throughout the ripening stage. 

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  Rainbow Mix Bloom 

Rainbow Mix Bloom is supplemented with beneficial Mycorrhizae for naturally enhanced root health and bloom or food development. Just work into the soil during the budding, flowering or fruiting stages. For outside plants, apply lightly in the Fall to help keep roots healthy throughout Winter. 

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  Rainbow Mix Grow 

Rainbow Mix Grow, from Earthjuice, is a specially formulated 100% natural organic fertilizer that promotes vigorous growth during all phases of plant and tree development. This organic fertilizer is easy to use, and safe for beginners as over-fertilization is usually not fatal to plants. 

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  Rare Earth Organic Clay and Humic Acid 

Rare Earth, from General Hydroponics, is a premium blend of dry organic minerals and humates that is derived from ancient seabed deposits of pyrophyllitic clay that are blended with fulvate ore. 

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  Roots Organics Elemental 

Roots Organics Elemental macronutrient and micronutrient supplement was specifically created to build calcium and magnesium levels to prevent deficiencies that can occur during the growth cycle of fast-growing plants. 

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  Roots Organics Trinity Catalyst 

Roots Organics Trinity Catalyst is a complex liquid blend of organic compounds specifically designed for maximum effect as a plant, root, and rhizoshpere catalyst. 

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  Roots Organics Extreme Serene 

This organic liquid kelp extract gives your garden a natural source of growth-promoting compounds and micro-nutrients. 

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  Roots Organics HP2 Liquid Bat Guano 

Roots Organics HP2 Bat Guano is an extracted source of natural phosphorous specifically designed to enhance flower quality. 

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  Roots Organics HPK Bloom Booster 

Developed by Aurora Innovations, Roots Organics HPK bloom booster is a specially extracted natural source of phosphorus and potassium to maximize yields and flavors. 

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  Roots Organics Player Packs 

Aurora Innovations is offering an economical organic nutrient kit for first time customers growing potted plants in soil. 

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  Roots Organics Seabird Guano 

Roots Organics Seabird Guano is an excellent source of phosphate and calcium to encourage vigorous plant growth. 

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  Rootstock Cloning Gel and Solution 

For amazing results, dip your plant cutting into Earth Juice Rootstock gel and put into a growing media soaked with Rootstock Solution. 

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  Sweet organic carbohydrate synthesizer 

Botanicare Sweet™ organic carbohydrate synthesizer is scientifically formulated for the bio-synthesis of crucial compounds to maintain optimal metabolism. An ideal formula for vegetables, fruits and flowers. 

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  Sweet Stash 

Sweet Stash is an organic sweetener / soil tonic / bloom boosting carbohydrate created specifically for hobbyists gardening with soil. 

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  Tarantula Beneficial Bacteria Liquid 

Advanced Nutrients Tarantula Liquid contains 57 types of microscopic organisms that colonize plant roots and leaves to guard against hostile bacteria and fungi attack. Ideal for both soil and hydroponic growing mediums. Tarantula protects seedlings, plant clones and adult plants. 

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  Tarantula Beneficial Bacteria Powder 

Advanced Nutrients Tarantula Powder contains 57 types of microscopic organisms that colonize plant roots and leaves to guard against hostile bacteria and fungi attack. Ideal for both soil and hydroponic growing mediums. Tarantula protects seedlings, plant clones and adult plants. 

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  Thrive Alive B-1 Green 

Thrive Alive B-1 Green, from Technaflora, is highly effective, safe, affordable, and easy-to-use organic all-purpose plant tonic. It stimulates rapid and lush vegetative growth. The professionally balanced formulation contains vitamins, hormones, macro and micro nutrients cultured in premium quality organic British Columbian sea kelp. 

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  Tomato Maker Fertilizer 

Organic Laboratories Tomato Maker is an earth-friendly fertilizer and soil conditioner that corrects nutritional deficiencies responsible for blossom end rot. 

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  Uprising Bloom 

Roots Organics Uprising Bloom is a blend of natural and organic ingredients. 

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  Uprising Foundation 

Roots Organics Uprising Foundation is a blend of natural and organic ingredients. 

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  Uprising Grow 

Roots Organics Uprising Grow is a blend of natural and organic ingredients. 

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  Wet Betty Organic 

Wet Betty Organic is a completely organic surfactant. This non-ionic product contains only the highest quality ingredients. 

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  White Widow Mycorrhizal Inoculant 

Humboldt Nutrients White Widow is a mycorrhizal powder containing a high amount of many different mycological spores. It is pure endo Mycorrhizal! 

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  Wholesome Sweetener Organic Unsulphured Molasses 

Wholesome Sweeteners Fair Trade Certified Organic Molasses is a blackstrap molasses with a rich, full-bodied robust flavor that adds natural color. 

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  Wiggle Worm Earthworm Castings 

Wiggle Worm Soil Builder Earthworm Castings are 100% Organic. Earthworm castings are an odorless, non-toxic, all natural plant food and soil amendment that provides amazing results. 

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Plant Nutrient and Fertilizer section:

Biological Inoculants  ·  Foliar Sprays  ·  Organic Fertilizers  ·  Non-Organic Nutrients  ·  Supplements
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Growco Indoor Garden Supply
1042 Michigan NE  ·  Grand Rapids, Michigan USA  49503-1908
phone: (616) 454-6900  ·  toll free: 877-939-6900
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4hydroponics.com