Fertilizer and Plant Food

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food
Silica Earth Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb
Silica Earth Volcanic Silica Minerals works great as a dry mineral additive for soil, coco, rockwool substrate applications, AND for mixing with liquid nutrients, compost tea and foliar. (*safe to use on or near plant roots.)
Add to cart
Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb
$20.99
Mammoth P - 250ml
MAMMOTH P is an organically derived microbial inoculant for growing plants that maximizes phosphorus and micronutrient cycling to maximize bud growth, increase yield, and enhance plant health.
Add to cart
Mammoth P - 250ml
$49.00
Flex FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal
Hydrogen Peroxide (H2O2 34%) is an excellent product for cleaning hydroponic equipment, materials and grow areas. 
Add to cart
FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal
$39.99
Down To Earth Down To Earth All Purpose Mix (4-6-2) - 5 lb
A gentle, non-burning fertilizer perfect for vegetables, herbs, flowers and container plants, our All Purpose mix is also ideal for all types of transplants. Formulated with top quality organic ingredients and designed to deliver a steady supply of essent
Add to cart
Down To Earth All Purpose Mix (4-6-2) - 5 lb
$16.99
BuildASoil BuildASoil BIG 6 Micronutrients + Humic Acid - 100 Gram
We have done thousands of soil tests and over the years and we've noticed that our particular soils are usually very high in Iron but very low in manganese and 5 other Micro-nutrients like Boron, Cobalt, Copper, Molybdenum and Zinc!
Add to cart
BuildASoil BIG 6 Micronutrients + Humic Acid - 100 Gram
$20.00
Gaia Green Gaia Green Worm Castings 2-0-0 - 2L
This all-purpose fertilizer is high in organic matter and adds essential nutrients to the soil to encourage strong plant growth.
Add to cart
Gaia Green Worm Castings 2-0-0 - 2L
$18.99
Plant Success Plant Success King Crab - 32 oz
Increase yields, maximize phosphorous uptake, and add life to the root zone! The active microbes in King Crab were specifically selected to enhance root zone performance during the vegetative stage and increase yields in the flowering stage.
Add to cart
Plant Success King Crab - 32 oz
$104.99
Sale
Fish Head Farms Fish Sh!t Organic Soil Conditioner - 120 ml
By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.
Add to cart
Fish Sh!t Organic Soil Conditioner - 120 ml
$26.50
$19.99
Plant Success Plant Success Great White Mycorrhizae 1 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
Add to cart
Plant Success Great White Mycorrhizae 1 oz
$14.99
Sale
Advanced Nutrients Advanced Sensizym 1L
Adding Enzymes to Your Root Zone Is a Great IdeaEnzymes are organic catalysts, which means they’re great at getting things going. One thing they do in your root zone is break down organic debris. Use Sensizym right now to get three different types of en
Add to cart
Advanced Sensizym 1L
$43.34
$26.01
Canna Canna Rhizotonic 1L **Best By Date 8/9/24**
CANNA RHIZOTONIC contains multiple vitamins and is 100% natural. RHIZOTONIC can be used regardless of the type of medium.
Add to cart
Canna Rhizotonic 1L **Best By Date 8/9/24**
$41.49
Athena Athena Grow B - Gallon
A simple formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust stalk and root growth.
Add to cart
Athena Grow B - Gallon
$31.50
Athena Athena Grow A - Gallon
A simple formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust stalk and root growth.
Add to cart
Athena Grow A - Gallon
$31.50
BuildASoil BuildASoil BuildAFlower Top Dress Kit - 1 Gal
This product tests out very high in Organic Phosphorous and Potassium for flowering while still maintaining a proper balance of Calcium and other nutrients. This complete product allows for boosting of P&K without undoing the balance.
Add to cart
BuildASoil BuildAFlower Top Dress Kit - 1 Gal
$28.00
Rootwise Rootwise Mycrobe Complete - 2 oz
ROOTWISE MYCROBE COMPLETE is "A diverse inoculum of Beneficial Microbes and Mycorrhizae which establish soil-to-root relationships that may assist nutrient uptake, pathogen resistance, and overall plant vigor."
Add to cart
Rootwise Mycrobe Complete - 2 oz
$32.00
BuildASoil BuildASoil BuildABloom Amino Chelated Bloom Booster- 1 lb
BuildABloom is BuildASoil's famous amino acid chelated mineral formula for flowering plants.
Add to cart
BuildASoil BuildABloom Amino Chelated Bloom Booster- 1 lb
$30.25
BuildASoil BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz
Wetting agent derived from sustainably harvested Quillaja branches in Chile, our extract is renowned for its unmatched purity in saponin content.
Add to cart
BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz
$25.00
Athena Athena Pro Grow - 25 lb Box
The vegetative growth stage demands well-rounded nutrition to establish strong roots and lush foliage. Athena Pro Grow is a balanced soluble fertilizer blend formulated for commercial cultivators to streamline irrigation.
Add to cart
Athena Pro Grow - 25 lb Box
$147.00
Sale
Down To Earth Down To Earth Fish Bone Meal - 5 lb
Fish Bone Meal is a marine based alternative to traditional steamed Bone Meal and is wonderful for all flowering plants, trees and shrubs. A great source of phosphorus and calcium, Fish Bone Meal also contains a small amount of organic nitrogen and is an
Add to cart
Down To Earth Fish Bone Meal - 5 lb
$17.20
$10.32
PRO-MIX Premier Pro-Mix Organic Seed Starting Mix with MYCOACTIVE - 16qt
Formulated with quality approved-organic ingredients. Contains an organic fertilizer that gradually feeds plants. Provides easy plant-care for improved seedling performance. Ideal for germinating vegetables, flowers, herb seeds, as well as starting stems
Add to cart
Premier Pro-Mix Organic Seed Starting Mix with MYCOACTIVE - 16qt
$15.49
Canna Canna CalMag Agent 1L
CANNA CALMAG AGENT is a calcium and magnesium mineral nutrient designed to improve water quality for calcium sensitive systems, such as when using reverse osmosis water with a coco medium. Our CANNA CALMAG AGENT increases water hardness, without disruptin
Add to cart
Canna CalMag Agent 1L
$19.01
Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae
Add to cart
Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
$10.99
Down To Earth Down to Earth Neem Seed Meal 5lb
Neem Seed Meal is produced during the extraction of oil from the seed of the Indian Neem tree (Azadiracta indica). It is an excellent way to strengthen root systems, improve plant immunity and balance nutrient levels in the soil. Neem Seed Meal can be mix
Add to cart
Down to Earth Neem Seed Meal 5lb
$25.99
Canna Canna Coco A & B Set 5L
CANNA COCO is a line of nutrients and substrates which are specially developed for growing plants in coco. The first coco cultivation product line was CANNA's coco line. Nowadays it's the most popular growing product line for both professionals and hobbyi
Add to cart
Canna Coco A & B Set 5L
$121.10