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Fertilizer and Plant Food

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food

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.

Athena Grow A - Gallon

$31.50

General Hydroponics GH pH Down - Qt

For plants to grow their best, it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. Our own pH Down is made with phosphoric acid. There are many pH down products on the market, but you get mo

GH pH Down - Qt

$15.99

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.

Mammoth P - 250ml

$49.00

Gaia Green Gaia Green All Purpose, 20 kg

All-Purpose is an excellent product for landscape and garden use. This fertilizer is an outstanding blend for all your fertilizing needs.

Gaia Green All Purpose, 20 kg

$102.99

Nectar For The Gods Nectar For The Gods One Shot 4 lb

One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i

Nectar For The Gods One Shot 4 lb

$15.00

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.)

Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb

$20.99

Down To Earth Down To Earth Bat Guano (7-3-1) - 2 lb

The undisputed champion of organic fertilizers, Bat Guano is rich in readily available Nitrogen, Phosphorus and micronutrients and provides essential plant nutrition for vigorous vegetative growth and early fruit and flower development. Bat Guano is fast

Down To Earth Bat Guano (7-3-1) - 2 lb

$18.99

Canna Canna Bio Boost 250mL

BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield.

Canna Bio Boost 250mL

$35.20

Real Growers Real Growers Recharge 2oz Bag

Stronger, healthier plants and roots, in 48 hours or less. Works great in traditional soil and soilless media. All the benefits of compost tea, with none of the mess.

Real Growers Recharge 2oz Bag

$9.95

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.

Gaia Green Worm Castings 2-0-0 - 2L

$19.99

Gaia Green Gaia Green Greensand 0-0-0.2 1.5kg

Greensand is mined from ancient, nutrient-rich deposits of oceanic sediment. Over time, this sediment developed into glauconite, which is highly effective as a slow-release fertilizer used to improve the mineral content of soil and other growing media. I

Gaia Green Greensand 0-0-0.2 1.5kg

$30.29

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.

Athena Grow B - Gallon

$31.50

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

Canna CalMag Agent 1L

$19.01

LOTUS Lotus Pro Series Carboflush - 18 oz

Lotus Pro Series Carboflush is designed to remove excess nutrient buildup stored within plants and medium, and acts as a catalyst for flushing your plants in their final stage of growth, while still providing the necessary components for microbial activit

Lotus Pro Series Carboflush - 18 oz

$27.95

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

Plant Success Great White Mycorrhizae 1 oz

$14.99

Plant Success Plant Success Great White Mycorrhizae 4 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

Plant Success Great White Mycorrhizae 4 oz

$43.08

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

$10.99

Dyna-Gro Superthrive (Dyna-Gro) Grow - qt

Dyna-Gro formulas provide a balance of macro nutrients and 11 trace elements and minerals required for abundant growth and increased flowering. Used as counterparts, the Grow (7-9-5) and Bloom (3-12-6) formulas may be used in hydroponics or soil. Use for

Superthrive (Dyna-Gro) Grow - qt

$27.56

Nectar For The Gods Nectar For The Gods Gaia Mania Quart

Gaia was originally the bloom base to Oregon's Only's four-part nutrient line. Derived from digested forms of soybean, feather, kelp and bone meals as well as worm castings, Gaia offers up a buffet of nutrition for your plants and microbes alike. Free fro

Nectar For The Gods Gaia Mania Quart

$17.99

Canna CANNA Start .5 L

CANNA Start is a balanced one-part nutrient for seedlings and (rooted) cuttings. CANNA Start can be used on various substrates like coco pellets, jiffy plugs, seedmixes and most other propagation media, except re-circulating systems and clone machines. Pr

CANNA Start .5 L

$14.49

Real Growers Real Growers Grow Dots EXTENDED 75gram

Save time, energy, and money by using Grow Dots in your garden.

Real Growers Grow Dots EXTENDED 75gram

$9.99

Athena Athena Pro Mix Kit - 1 Gal

Athena Mix Kit makes it easy and accurate to mix a concentrated fertilizer mix. Just add a single pouch to the matching 1 gallon just, fill with water and shake until fully dissolved. Look for Athena 10 lb Pro Line box for refill pouches.

Athena Pro Mix Kit - 1 Gal

$77.00

Gaia Green Gaia Green Power Bloom, 10 kg

GAIA GREEN Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. As a result, GAIA GREEN Power Bloom is our best fertilizer for root development and for all flowering and fruiting plants.

Gaia Green Power Bloom, 10 kg

$57.99

Down To Earth Down to Earth Rock Phosphate 0-3-0 5 lb

Down To Earth™ Rock Phosphate is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils.

Down to Earth Rock Phosphate 0-3-0 5 lb

$14.99