Top 10 Liquid Nitrogen Fertilizer Organic – Garden Fertilizers

As an Amazon Associate I earn from qualifying purchases.

1. Indian River Organics


OMRI Listed Organic Fertilizer 1 Gallon 128 oz, Liquid Organic Fish and Kelp for Turf, Plants, Fruits & Vegetables. Great for Everything that Grows!, Flowers, Shrubs, Indian River Organics Fish & Kelp Blend Fish Fertilizer

Indian River Organics #ad - Seaweed is an amazing plant supplement: we add north atlantic kelp that is pure and free of contaminants. Your plants get all the benefits of a natural liquid fish fertilizer PLUS all the additional benefits of seaweed in one easy to use liquid product. Our organic liquid fish fertilizer provides a comprehensive mix of amino acids & micro nutrients and minerals all in a usable form perfectly suited for maximum efficiency of uptake for your plants.

Organic fish and seaweed fertilizer: now our all-natural high quality fish fertilizer is combined with North Atlantic kelp to produce a plant nutrient source that is beyond compare. Seedlings: mix 4 oz in 1 gallon of water. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience possible. Flowers & plants: mix 3 oz in 1 gallon of water, spray to drench, including underside of leaves. Trusted & reliable: at indian river organics, we understand that you are placing your trust in us to provide you with the highest quality products available.

Citrus & other trees: mix 4 oz in 1 gallon of water, spray to drench, spray to cover 500 square feet. Easy to apply for great results: for lawn: mix 2 oz in 1 gallon of water, including underside of leaves. Plants receiving both fish and seaweed fertilizer out-perform in every category, they are much healthier and more resistant to heat, drought, and cold. These new compounds are not present in the original ascophyllum nodosum biomass and are now in a bio- available form and some have been modified making them water soluble allowing for immediate plant benefit.
BrandIndian River Organics #ad
ManufacturerIndian River Organics #ad
Height11 inches
Length6 inches
Weight8 Pounds
Width6 inches
Part NumberIRO 109

2. Monterey


Monterey LG 7265 Fish & Guano Liquid Plant Fertilizer for Transplants and Flowers, 32 oz

Monterey #ad - Of concentrate per gallon of water, shake well and keep the solution mixed during application. It works best applied with a sprayer or directly in the early morning or late afternoon. Accelerate growth - this flower food promotes beautiful growth and big blooms on all plants.

Natural fertilizer - this organic concentrated fertilizer is made of liquid fish and bird guano. Synergistic matrix - the fertilizer is so effective because the blend of fish based nutrients with guano forms a synergistic matrix that develops a cohesive partnership for vigorous plant growth, It works like a miracle. Use as a foliar spray or as a soil drench on the grass lawn below. Simply use ½ FL.

It will also help any houseplant and indoor or outdoor Ornamental bloom and grow to be looking their best! Concentrated formula - this is a concentrated mix that should be mixed with water before use. This is a high analysis 9-6-2 natural fertilizer that can be applied monthly during the growing season. Variety of use - whether at home or on a farm, trees, this liquid fertilizer is excellent for your flowers, transplants, and vegetables. Oz.
BrandMonterey #ad
ManufacturerMonterey #ad
Height12 inches
Length9 inches
Weight2 Pounds
Width3 inches
Part NumberLG 7265
ModelLG 7265

3. Dr. Earth


Dr. Earth Nitro Big High Nitrogen Plant Food 24 oz Concentrate

Dr. Earth #ad - Works quickly without burning. People & pet safe. A blend of fish bone meal, Feather meal, mined potassium sulfate. 100% organic and natural.
BrandDr. Earth #ad
ManufacturerDr. Earth #ad
Height8.25 inches
Length4.25 inches
Weight1.95 Pounds
Width2.5 inches
Part Number444

4. Fox Farm


1-Pint FX14092 Grow Big Liquid Concentrate Fertilizer, Fox Farm 6-4-4, White, Soil NPK 6-4

Fox Farm #ad - Grow big contains earthworm castings, allowing for more abundant fruit, Norwegian kelp and essential micronutrients. Country of Origin: United States. Foxfarm's special brew is designed to enhance plant Size and structure, flower and bud development.

Get your garden going with grow big, Foxfarm's liquid concentrate fertilizer for lush vegetative growth. Garden tip: allow new plantings a few days to settle in, preferably early in the morning. At the first sign of flowering, then begin using at the rate of two teaspoons per gallon of water every other time you water. For best results, refer to the FoxFarm feeding schedule. You can also use grow big for foliar feeding, applying to both sides of leaves, switch to one of foxfarm’s blooming fertilizers.
BrandFox Farm #ad
ManufacturerFoxfarm #ad
Height2.5 Inches
Length2.5 Inches
Weight1.3 Pounds
Width7.81 Inches
Part NumberFX14092
Warranty1-year warranty

5. Azogen


AZOGEN All-Purpose Nitrogen Liquid Fertilizer, NPK 5-0-0, Concentrate Solution 33.8 Fl Oz /1L Bottle. Economical, Makes 33 Gallons.

Azogen #ad - One bottle does it all: azogen's liquid fertilizer can be used on indoor plants, vegetables, lawns, hydroponic crops, flowers, potted plants, greenhouses and garden. The quality is guaranteed, and you won’t overfeed your plants with other elements.

Oz. 100 % water soluble: suits all types of feeding methods. Promotes healthy growth + green foliage. You only need a tiny amount of our special AZOGEN 5-0-0 formula. Azogen 5-0-0 gives your plants just what they need. You only need 1 fl. That’s normal! it’s our trademark smell, and it’s your guarantee of high-quality nitrogen for your plants. A unique source of organic ammonia nitrogen: not just any nitrogen! ammonia nitrogen is quickly and easily absorbed by plants.

Whether you’re growing tomatoes or strawberries, trees, hydroponics, or simply a lawn. Azogen 5-0-0 has been tested in a Canadian agricultural research center. Per gallon of water. Soil drench, foliar feed and hydroponics. The strong smell tells you the product is working. Its is 100% canada-Made from processing pig effluent without using chemicals.
BrandAzogen #ad
ManufacturerSolugen #ad
Part NumberAZ-1l

6. GS Plant Foods


Trees, Shrubs, Seeds & Plants, Lawns, Flowers, GS Plant Foods Organic Liquid Fish 36 oz Hydrolyzed Fish Fertilizer for Plants- Liquid Fertilizer for Vegetables

GS Plant Foods #ad - We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Hydrolyzed fish fertilizer: gs plant foods liquid fish fertilizer is a high quality fish fertilizer that gives excellent plant growth, plants, and offers higher production yields.

Apply until soil is saturated or as a foliar feed until leaves are wet. Trusted & reliable: at gs plant foods, cost efficient, sustainable, easy to use, we understand that you are placing your trust in us to provide you with the highest quality products available. Feed every 2-3 weeks. Easy to apply for natural great results: for house plants; use 1 tablespoon per gallon of water. Our liquid fish is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner.

It is best to foliar feed early or late in the day. Our fish fertilizers stimulate water penetration and increase nutrient assimilation. Optimal plant growth & health at home or commercially: used in low concentrations, organic liquid plant fertilizer acts as an efficacious growth promoter. Feed monthly during growing season and again in the fall. Our products are organic, and yield consistent & amazing results in your garden, no matter what you're growing or what medium in which your plants are growing. Ft.
BrandGS Plant Foods #ad
ManufacturerGS Plant Foods #ad
Height8 inches
Length3.5 inches
Weight2 Pounds
Width3.5 inches
Part NumberLF32ozctrt

7. Natural Armor


“Zero” Organic Fertilizer – NO Nitrogen, Potassium or Phosphate 100% All-Natural/Organic Liquid Fertilizer from Recycled Green Waste, Ready to Use 128 fl oz Gallon Covers 1,000 Sq Ft

Natural Armor #ad - See results in less than 7 days - 30-day 100% customer satisfaction guarantee – if you’re unhappy with our Product, For Any Reason, Contact Us And Your Purchase Will Be Reimbursed Without Question.

All-natural, biodegradable, non-gMO, Non-Toxic, Bio Solids, No Additives Or Preservatives. Apply to any type of plants – including lawns, herbs, Vegetables, Fruits, Shrubs and Trees.1100% organic soil amendment - made from Organic Recycled Green Waste. Contains no nitrogen, Potassium or Phosphate Or Metals. Easy to apply – simply use with any Hose End Sprayer Or Watering Can. Environmentally conscious – free of animal waste, pre treated wood or foreign objects. Simple & Easy.
BrandNatural Armor #ad
ManufacturerNatural Armor #ad
Part NumberNAF-0-RTU-128

8. AgroThrive


3-3-2 NPK ATGP1128 1 Gal for Lawns, Greenhouses, Herbs and Everything Else that Grows, Vegetables, AgroThrive All Purpose Organic Liquid Fertilizer

AgroThrive #ad - Produced by the progressive Digestion Process which breaks down all organic ingredients down to a simple molecular structure plants can quickly absorb.

Organic results in less than 1 week. Activates indigenous micro-flora in soil and helps nutrient release; release speed: 70% fast-release, 30% slow-release. Convenient liquid concentrate in a bottle; Just mix 2oz – 4oz with 1 gallon of water and apply to soil. Omri, cdfa and wsda listed for organic gardening; No synthetic chemicals EVER. 3-3-2 npk general purpose liquid organic fertilizer; Formulated for lawns, vegetables, greenhouses, herbs and everything else that grows; Derived from organic fish and grain. Promotes vigorous root and foliar growth and improves plant disease resistance.
BrandAgroThrive #ad
ManufacturerAgroThrive, Inc. #ad
Height10.5 Inches
Length5.75 Inches
Weight8 Pounds
Width4.75 Inches
Part NumberATGP1128

9. Bloom City


Quart 32 oz Concentrated Makes 180 Gallons, Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City

Bloom City #ad - Extracted to protect natural enzymes: clean kelp’s unique processing techniques give the cleanest possible kelp extract. Simple and safe to use for all plants: add to every watering, it’s that easy. Formulated and made in the usa: designed by botanists and plant chemists.

Fully organic seaweed and kelp: a seven species blend of Ascophyllum Nodosum, Arthrospira Platensis, Palmaria Palmata, Ecklonia Maxima, Chlorella Vulgaris, Laminaria Saccharina, and Chondrus Crispus. Get all the benefits of natural kelp enzymes and hormones without the non-nutritious fibrous pulp that gives other kelps their thick, brackish appearance. For both plants and lawns: add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants.

No risk of over application, plants love kelp. You can see the difference. Bloom city chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems. Clean kelp aids in every stage of growth for root and stem health.
BrandBloom City #ad
ManufacturerBloom City #ad
Weight2 Pounds
Part Numberkelp-32-fba-upc-0422



N-Primer Nitrogen Supplement for Fast Vegetative Growth, Promotes Dark Green Leaves by TPS Nutrients, Pint 16 oz

TPS NUTRIENTS #ad - Increase growth and darken leaves: N-Primer is designed to be bio-available in the soil and steadily released to your plants. Includes nitrogen injectors: TPS’s N-Primer elicits a stress response that triggers plant uptake, this increases nitrogen metabolism.

Balanced source of nitrogen: TPS Nutrients N-Primer has a balanced source of both positively and negatively charged nitrogen. Designed to be sustainable: every ingredient and every process was designed to keep sustainability in mind. Use during veg and early bloom. Energy dense fertilizer for all plants: all tPS fertilizers and supplements are nutrient dense, reducing waste and making sure you don’t pay for water to be shipped. Tps nutrients chooses only the best and most renewable materials to build these products.
ManufacturerTPS Nutrients #ad
Height7.5 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberTPSNPRI16OZ