Nutrients & Supplements

Are your plants hungry? All plants need at least 17 different nutrients & supplements to grow to their full potential. Some plants (wink wink) are even more sensitive, and the difference between a good grow and a great one is significant.

Rather than tell you how to grow, we provide a great assortment of esteemed plant nutrient brands so that you can find exactly what your plants need. Whether you choose plant supplements created by Botanicare, General Hydroponics, Roots Organic, or others, your plants will thank you for the snack.

GH RapidStart®  1 - 0.5 - 1
-20%
From $535.55 $430.00
RapidStart® enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids, and nutrients generating explosive root growth. Using RapidStart® stimulates prolific root branching and development of fine root hairs that increase nutrient uptake and grow healthier, whiter roots. Using RapidStart® will make your plants explode!...
From $430.00 From $535.55
GH Floralicious® Plus  2.8 - 0.8 - 0.02
-27%
From $8,085.45 $5,937.00
Floralicious® Plus is a vegan bio plant stimulator and nutrient additive. It is everything that is Floralicious® except it has been formulated to be applied in both the vegetative and regenerative or the flowering stages of growth. It has five times the concentration and therefore its application rates are reduced....
From $5,937.00 From $8,085.45
GH CALiMAGic™  1 - 0 - 0
-26%
From $1,946.65 $1,439.00
CALiMAGic™ is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic™ helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops such as tomatoes and...
From $1,439.00 From $1,946.65
Emerald Harvest® Emerald Goddess®  2 - 1 - 4
-23%
Nurture your valuable crops with Emerald Goddess®, an invigorating plant tonic from Emerald Harvest®. We've taken Mother Nature's best naturally occurring elements and other components and purified and refined them into a superlative one-shot addition for satisfyingly big yields in your garden. Brimming with the finest Earth-friendly natural ingredients such...
From $533.00 From $688.00
Botanicare® Kind® Bloom  0 - 6 - 6
-26%
From $1,750.95 $1,287.00
Kind® Plant Nutrient System is a proprietary three part nutrient unlike any other. Kind® was formulated with the calcium and magnesium separate from the trace minerals. This allows you to customize Kind to meet the specific needs of your garden, whatever Kind® you grow. Kind® uses high quality minerals fortified...
From $1,287.00 From $1,750.95
Technaflora® Thrive Alive B-1™ Red  1 - 1 - 1
-25%
Thrive Alive B-1™ is a power packed preventative and restorative general-purpose plant tonic. It stimulates rapid and lush vegetative growth and will ensure the success of floral crops by promoting profuse flowering during blossoming. It facilitates vigorous and healthy root development for both cuttings and established root systems, while protecting...
From $553.00 From $740.79
GH Liquid KoolBloom®  0 - 10 - 10
-26%
From $2,739.75 $2,014.00
Liquid KoolBloom® is a is a bulking agent that goes way beyond other bloom boosters. Enriched with stress reducing vitamins and nutrient transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive...
From $2,014.00 From $2,739.75
GH Hardwater Flora Micro®  5 - 0 - 1
-22%
From $1,524.35 $1,190.00
If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original Flora Micro® with Flora Micro® Hardwater to create a perfect Micro blend for your plants.
From $1,190.00 From $1,524.35
GH FloraBlend®  0.5 - 1 - 1
-18%
From $1,256.55 $1,033.00
FloraBlend® is a vegan plant booster that is made from a proprietary blend of plant materials, seaweed, rock powders and micronized leonardite. It is produced with a diverse mixture of highly bioactive microorganisms that are fed a feast of select food sources in a hyper oxygenated environment. These beneficial microorganisms...
From $1,033.00 From $1,256.55
GH Flora Micro®  5 - 0 - 1
-22%
From $1,524.35 $1,190.00
The foundation of the building-block system. Provides Nitrogen, Potassium, Calcium and trace elements. Combine with Flora Gro® and Flora Bloom®.
From $1,190.00 From $1,524.35
GH Flora Gro®  2 - 1 - 6
-27%
From $1,256.55 $923.00
Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium and secondary minerals.
From $923.00 From $1,256.55
GH Flora Bloom®  0 - 5 - 4
-27%
From $1,256.55 $923.00
Stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high Phosphorous, Potassium, Magnesium and Sulfur.
From $923.00 From $1,256.55
GH Diamond Nectar®  0 - 1 - 1
-23%
From $1,658.25 $1,269.00
Diamond Nectar® accelerates nutrient absorption where mineral foods enter the plant. Diamond Nectar® applies the chelating action of humic acids to nutrient rich hydroponic environments by grabbing immobile and molecularly heavy compounds. They are transported through and into plant tissues for faster growth and greater yields. Diamond Nectar® supercharges your...
From $1,269.00 From $1,658.25
GH CaMg+®
-27%
From $813.65 $594.00
CaMg+® is the ideal supplement to provide a natural source of Calcium and Magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This...
From $594.00 From $813.65
GH BioThrive® Grow  4 - 3 - 3
-27%
From $875.45 $643.00
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit and seed production. Use BioThrive® Grow to give all types of plants a strong start.
From $643.00 From $875.45
GH BioThrive® Bloom  2 - 4 - 4
-27%
From $710.65 $518.00
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and...
From $518.00 From $710.65
GH BioRoot®  0 - 1 - 1
-27%
From $2,029.05 $1,491.00
BioRoot® is a natural root growth supplement that helps plants establish healthy and vibrant root systems. It contains vitamins, enzymes, organic and humic acids that stimulate root growth. BioRoot® is outstanding for seedlings and cuttings, helping young plants develop strong and massive root systems. For mature plants BioRoot will maintain...
From $1,491.00 From $2,029.05
GH BioMarine®  2 - 3 - 1
-26%
From $2,070.25 $1,529.00
BioMarine® is a completely organic fish fertilizer that encourages rapid growth, improves color and helps increase plant's resistance to pests. Essential proteins, oils and nutrients are derived from a cold processed enzymatically digested fish. This supports healthy growth and stimulates microbiology that naturally improves soil integrity. BioMarine® benefits all types...
From $1,529.00 From $2,070.25
GH BioBud®  0.5 - 0.1 - 1
-27%
From $993.90 $727.00
BioBud® is a powerful bloom stimulator that generates explosive flowering and massive fruit production. BioBud® increases metabolic activity and mineral uptake by utilizing bio-stimulants and organic transport enhancers. This induces abundant, dense floral clusters during the crucial flowering and fruiting phases. The results are spectacular flowering and more flavorful fruits....
From $727.00 From $993.90
GH Armor Si™   0 - 0 - 4
-26%
From $1,946.65 $1,433.00
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Armor Si™ improves plant structure...
From $1,433.00 From $1,946.65
Emerald Harvest® Root Wizard®
-22%
From $730.00 $566.00
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard® supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the...
From $566.00 From $730.00
Emerald Harvest® King Kola®  0.3 - 2 - 3
-23%
Get the most benefit from every flower in your garden with Emerald Harvest® King Kola®. A powerful bloom booster designed to create bigger, denser blossoms, King Kola® provides the essential elements your crops need to burst forth in heavy buds and flowers. It's high in phosphorus and potassium, so using...
From $533.00 From $688.00
Botanicare® Silica Blast™
-26%
From $1,915.75 $1,421.00
Silicate® is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate® helps strengthen plant tissue helping plants flourish in adverse environmental conditions such as heat, drought and frost. For use in container gardens or soilless hydrogardening applications.
From $1,421.00 From $1,915.75
Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1.5-4-5 formula ideal for soil applications.
From $703.00
Botanicare® Pure Blend® Pro Grow Formula  3 - 2 - 4
-26%
Pure Blend® Pro is a premium, one-part, natural and organic-based plant food. Pure Blend® Pro is a healthy environment-friendly alternative to commercial chemical fertilizers. Use Grow during the vegetative growth stage.
From $511.00 From $695.20
Botanicare® Pure Blend® Pro Bloom Formula  2 - 2 - 5
-26%
Pure Blend® Pro is a premium, one-part, natural and organic-based plant food. Pure Blend® Pro is a healthy environment-friendly alternative to commercial chemical fertilizers. Use Bloom during the fruiting and flowering stage.
From $1,802.00 From $2,451.35
Botanicare® Liquid Karma®  0.1 - 0.1 - 0.5
-27%
We've updated Liquid Karma® with a new humic source that runs cleaner, performs better and is more versatile than before. This new 100% water soluble humic acid source will not cause buildup in lines, clog drippers or contribute to pH fluctuations. Liquid Karma® contains metabolically active organic compounds that are...
From $686.00 From $937.25
Botanicare® Kind® Grow  2 - 2 - 4
-26%
From $1,750.95 $1,287.00
Kind® Plant Nutrient System is a proprietary three part nutrient unlike any other. Kind® was formulated with the calcium and magnesium separate from the trace minerals. This allows you to customize Kind to meet the specific needs of your garden, whatever Kind® you grow. Kind® uses high quality minerals fortified...
From $1,287.00 From $1,750.95
Botanicare® Clearex® Salt Leaching Solution
-21%
Clearex® is an isotonic drenching solution that unlocks the ionic bond between the nutrient and the soil or soilless grow substrate, correcting the problem of nutrient salt toxicity and lockout, allowing plants to thrive again.
From $1,148.00 From $1,452.25
Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in Coco Coir based medias to compensate for natural calcium draw. Cal-Mag™ Plus can...
From $669.00
BioBizz® Top-Max™  0.2 - 0 - 0.1
-27%
From $599.71 $440.00
Top-Max™ is a 100% organic flowering enhancer. Using Top-Max™ can help your garden with three important tasks. First, the nutrients in Top-Max™ can help increase the actual size and weight of clusters of flowers. Second, plants grown with Top-Max™ have a sweet, smooth taste in the finished products. Third, using...
From $440.00 From $599.71
BioBizz® Bio-Heaven™  1 - 0.1 - 0.1
-27%
Bio-Heaven™ is specially formulated plant energy booster, which contains hydrolyzed proteins. Hydrolyzed proteins are the basic building blocks for proteins and enzymes, which are essential for the plants' structure and metabolism. As a result, Bio-Heaven™ enhances the utilization and translocation of nutrients in fertilizer blends & foliar sprays and boosts...
From $460.00 From $626.49
BioBizz® Alg-A-Mic™  0.1 - 0 - 0.2
-27%
Alg-A-Mic™ is a revitalizing product made from a high grade, organic seaweed concentrate extracted through cold pressing rather than chemical solvents. It contains a high level of natural nutrition that caters to the whole spectrum of plants needs, resulting in exuberant green foliage. Alg-A-Mic™ is not a fertilizer and unlike...
From $378.00 From $515.03
Botanicare® Kind® Base  4 - 0 - 0
-26%
From $1,750.95 $1,287.00
Kind® Plant Nutrient System is a proprietary three part nutrient unlike any other. Kind® was formulated with the calcium and magnesium separate from the trace minerals. This allows you to customize Kind® to meet the specific needs of your garden, whatever Kind® you grow. A fusion of science and nature,...
From $1,287.00 From $1,750.95
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