Nitrogen Boosters(73)
Uses item details. Price when purchased online
Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (10lbs) $28.79
Sponsored
$2879
current price $28.79Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (10lbs)
174.4 out of 5 Stars. 17 reviews
Save with
Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 40lbs $67.99
Sponsored
$6799
current price $67.99Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 40lbs
33.3 out of 5 Stars. 3 reviews
Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 10lbs $27.99
Sponsored
$2799
current price $27.99Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 10lbs
15 out of 5 Stars. 1 reviews
Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (5lbs) $21.79
Sponsored
$2179
current price $21.79Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (5lbs)
154.7 out of 5 Stars. 15 reviews
Save with
House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L (Single Pack) $48.99
$4899
current price $48.99House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L (Single Pack)
House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L $45.50 Was $63.43
Now$4550
current price Now $45.50, Was $63.43$63.43
House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L
House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L (Two Pack) $78.99
$7899
current price $78.99House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L (Two Pack)
50ml Green Plant Root Booster with Nitrogen Phosphorus and Potassium for Indoor and Outdoor Potted Plants $6.74
$674
current price $6.7450ml Green Plant Root Booster with Nitrogen Phosphorus and Potassium for Indoor and Outdoor Potted Plants
Ike's Lawn Booster Prime 30-0-0 Liquid Fertilizer - High-Nitrogen, 60% Slow-Release, 1 Gal $49.99
$4999
current price $49.99Ike's Lawn Booster Prime 30-0-0 Liquid Fertilizer - High-Nitrogen, 60% Slow-Release, 1 Gal
Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 15 Pounds $268.44
$26844
current price $268.44Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 15 Pounds
Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (50lbs) $57.19 Was $68.41
Sponsored
Now$5719
current price Now $57.19, Was $68.41$68.41
Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (50lbs)
64.3 out of 5 Stars. 6 reviews
Amino Power Powder Nitrogen Fertilizer 16 oz - Plant-Based 100% Water Soluble High Nitrogen Source - 18 L-Amino Acids Chelating Agent for Foliar Spray, Turf, Vegetables, Fruits & Indoor Plants $21.95
Sponsored
$2195
current price $21.95Amino Power Powder Nitrogen Fertilizer 16 oz - Plant-Based 100% Water Soluble High Nitrogen Source - 18 L-Amino Acids Chelating Agent for Foliar Spray, Turf, Vegetables, Fruits & Indoor Plants
15 out of 5 Stars. 1 reviews
Save with
Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 5 Ounces $19.13
$1913
current price $19.13Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 5 Ounces
25 out of 5 Stars. 2 reviews
Save with
Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 2 Ounces $12.58 Was $13.99
Now$1258
current price Now $12.58, Was $13.99$13.99
Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 2 Ounces
House and Garden Van De Zwaan Nitrogen Boost 1 Liter H&G $48.99
$4899
current price $48.99House and Garden Van De Zwaan Nitrogen Boost 1 Liter H&G
House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L $46.95
$4695
current price $46.95House & Garden HGNIB01L Nitrogen Boost Fertilizer, 1 L
Old Cobblers Farm™ Ammonium Sulfate Fertilizer - Great Fertilizer and Soil Acidifier for Azaleas, Blueberries, Magnolia, and More. Boosts Nitrogen for Healthy Plants and Lush Lawns 20lbs. (20 lbs) From $43.99
2 options
Available in additional 2 optionsFrom$4399
Old Cobblers Farm™ Ammonium Sulfate Fertilizer - Great Fertilizer and Soil Acidifier for Azaleas, Blueberries, Magnolia, and More. Boosts Nitrogen for Healthy Plants and Lush Lawns 20lbs. (20 lbs)
Clearance Water Lily Fertilizer Aquatic Plant Food Nutrient Booster for Water Gardens, Rich Nitrogen Phosphorus Potassium Formula, Promotes Blooming Root Growth and Healthy Leaves for Ponds Lotus Plants Was $8.99
Water Lily Fertilizer Aquatic Plant Food Nutrient Booster for Water Gardens, Rich Nitrogen Phosphorus Potassium Formula, Promotes Blooming Root Growth and Healthy Leaves for Ponds Lotus Plants
Hi-Yield Grower's Special Nitrogen - Pack of 12 Residential Use, Standard Application $331.21
$33121
current price $331.21Hi-Yield Grower's Special Nitrogen - Pack of 12 Residential Use, Standard Application
BANIRO 2026 New Slow-Release Fertilizer,Home Gardening Fertilizer,General-Purpose Fertilizer,Nitrogen Phosphorus Potassium,Plant Nutrition Booster,Garden Soil Enhancer,All-Season Gardening Supply $7.89
$789
current price $7.89BANIRO 2026 New Slow-Release Fertilizer,Home Gardening Fertilizer,General-Purpose Fertilizer,Nitrogen Phosphorus Potassium,Plant Nutrition Booster,Garden Soil Enhancer,All-Season Gardening Supply
Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (25lbs) $46.71
Sponsored
$4671
current price $46.71Supply Solutions 10-10-10 Complete Lawn & Garden Granular Fertilizer with Micronutrients – Balanced NPK Plant Food for Soil Health, Blooms & Roots – Safe for Vegetables, Fruits, Lawns (25lbs)
34.7 out of 5 Stars. 3 reviews
Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 25lbs $47.99
Sponsored
$4799
current price $47.99Supply Solutions | Power Bloom 10-20-20 Fertilizer | Bloom Booster Fertilizer for Flowers and Plants, High Phosphorus NPK Fertilizer for Vegetable Garden, Fruit Tree and Flower Fertilizer - 25lbs
Chlorophyll Spray for Houseplants, 3.4 fl oz Urea Nitrogen Fertilizer to Treat Yellow Leaves, Potted Vegetable Nutrient Booster $4.79
$479
current price $4.79Chlorophyll Spray for Houseplants, 3.4 fl oz Urea Nitrogen Fertilizer to Treat Yellow Leaves, Potted Vegetable Nutrient Booster
FHBVT Aquatic Plant Fertilizer&Water Lily Nutrient Flower Booster Balanced Nitrogen Phosphorus Potassium Promotes Root Growth Flowering for Water Plants Sea Roses Garden Pond Aquarium Supplies
FHBVT Aquatic Plant Fertilizer&Water Lily Nutrient Flower Booster Balanced Nitrogen Phosphorus Potassium Promotes Root Growth Flowering for Water Plants Sea Roses Garden Pond Aquarium Supplies
FHBVT Water Lily Fertilizer&Aquatic Plant Nutrient Rich Flower Booster Nitrogen Phosphorus Potassium for Water Plants Sea Roses Promotes Root Growth Flowering Brightens Petals Garden Pond Supplies
FHBVT Water Lily Fertilizer&Aquatic Plant Nutrient Rich Flower Booster Nitrogen Phosphorus Potassium for Water Plants Sea Roses Promotes Root Growth Flowering Brightens Petals Garden Pond Supplies
Clearance JilgTeok 1 Packs Soil Boost Tablets Universal Slow-release Fertilizer for Home Gardening Fertilizer General-purpose Nitrogen Phosphorus and Potas for Vegetables Fruits Root Growing From $4.97
5 options
Available in additional 5 optionsFrom$497
JilgTeok 1 Packs Soil Boost Tablets Universal Slow-release Fertilizer for Home Gardening Fertilizer General-purpose Nitrogen Phosphorus and Potas for Vegetables Fruits Root Growing
Nitrogen Fertilizer 12oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use $14.90
$1490
current price $14.90Nitrogen Fertilizer 12oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use
13 out of 5 Stars. 1 reviews
Aquatic Fertilizer, Rvkxad Water Lily Nutrient Rich Flower Booster, High Nitrogen Phosphorus Potassium Aquatic Food, Promotes Rooting Growth & Floral Splendor for Pond Plants $9.79
$979
current price $9.79Aquatic Fertilizer, Rvkxad Water Lily Nutrient Rich Flower Booster, High Nitrogen Phosphorus Potassium Aquatic Food, Promotes Rooting Growth & Floral Splendor for Pond Plants
Hi-Yield Grower's Special Nitrogen - Pack of 6 Residential Use, Standard Application $169.86
$16986
current price $169.86Hi-Yield Grower's Special Nitrogen - Pack of 6 Residential Use, Standard Application
ProSolutions 15-0-0 Nitrogen with 6% Iron. 2.5 Gallons $58.95
$5895
current price $58.95ProSolutions 15-0-0 Nitrogen with 6% Iron. 2.5 Gallons
24.5 out of 5 Stars. 2 reviews
Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (20lbs) $58.00
Sponsored
$5800
current price $58.00Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (20lbs)
Supply Solutions 12-6-6 Ornamental Booster Fertilizer - Plant Food Topdress on Foliage, Nurseries and Landscapes - Controlled Release NPK Plant Fertilizer with Macro and Micro Nutrients (5lbs) $21.99
Sponsored
$2199
current price $21.99Supply Solutions 12-6-6 Ornamental Booster Fertilizer - Plant Food Topdress on Foliage, Nurseries and Landscapes - Controlled Release NPK Plant Fertilizer with Macro and Micro Nutrients (5lbs)
236ml Indoor Flower Food, Liquid Root Booster, Green Growth Drip Fertilizer for HouseHerb, Nitrogen-Rich Liquid Feed for Pothos & Monstera, Easy Pour Bottle
236ml Indoor Flower Food, Liquid Root Booster, Green Growth Drip Fertilizer for HouseHerb, Nitrogen-Rich Liquid Feed for Pothos & Monstera, Easy Pour Bottle
Nitrogen Fertilizer 4oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use $11.95
$1195
current price $11.95Nitrogen Fertilizer 4oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use
Hi-Yield Grower's Special Nitrogen - Pack of 6 $215.04
$21504
current price $215.04Hi-Yield Grower's Special Nitrogen - Pack of 6
Nitrogen Fertilizer 2oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use $10.90
$1090
current price $10.90Nitrogen Fertilizer 2oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use
Nitrogen Fertilizer 16 Ounces - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (1 Pound Bag) $16.29
$1629
current price $16.29Nitrogen Fertilizer 16 Ounces - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (1 Pound Bag)
Plant Growth Enhancer Rooting Liquid Fertilizer With Vitamin Solution, Nitrogen Phosphorus Potassium For Cuttings And Seedlings 50Ml 4.7X1.5X1.5In 0.15Lb
Plant Growth Enhancer Rooting Liquid Fertilizer With Vitamin Solution, Nitrogen Phosphorus Potassium For Cuttings And Seedlings 50Ml 4.7X1.5X1.5In 0.15Lb
Hi-Yield Grower's Special Nitrogen - Pack of 6 $77.06
$7706
current price $77.06Hi-Yield Grower's Special Nitrogen - Pack of 6
Espoma Urea Nitrogen Fertilizer 45-0-0, 4lb. Bag; Promotes Growth in All Flowering Plants, Trees, Shrubs, and Vegetables. Granular for Easy Application. Pack of One. $22.81
$2281
current price $22.81Espoma Urea Nitrogen Fertilizer 45-0-0, 4lb. Bag; Promotes Growth in All Flowering Plants, Trees, Shrubs, and Vegetables. Granular for Easy Application. Pack of One.
Grower's Secret Green Up Organic Gardening 5-0-0 Nitrogen Fertilizer - For Greener Looking Plants $40.00
$4000
current price $40.00Grower's Secret Green Up Organic Gardening 5-0-0 Nitrogen Fertilizer - For Greener Looking Plants
Save with
Ferticell Explorer 16-0-0 Organic Nitrogen Fertilizer 44 Pound Bag $359.95
$35995
current price $359.95Ferticell Explorer 16-0-0 Organic Nitrogen Fertilizer 44 Pound Bag
Hi-Yield Grower's Special Nitrogen - Pack of 12 $573.27
$57327
current price $573.27Hi-Yield Grower's Special Nitrogen - Pack of 12
Milorganite Slow-Release Nitrogen Fertilizer - Natural, Granules - 32 lb Outdoor & Indoor Plant Use, Easy Application $45.74
$4574
current price $45.74Milorganite Slow-Release Nitrogen Fertilizer - Natural, Granules - 32 lb Outdoor & Indoor Plant Use, Easy Application
654.6 out of 5 Stars. 65 reviews
Nitrogen Fertilizer - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (5 Pounds) From $16.95
4 options
Available in additional 4 optionsFrom$1695
Nitrogen Fertilizer - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (5 Pounds)
14 out of 5 Stars. 1 reviews
Espoma Urea Nitrogen Fertilizer 45-0-0, 4lb. Bag; Promotes Growth in All Flowering Plants, Trees, Shrubs, and Vegetables. Granular for Easy Application. Pack of Two $34.79
$3479
current price $34.79Espoma Urea Nitrogen Fertilizer 45-0-0, 4lb. Bag; Promotes Growth in All Flowering Plants, Trees, Shrubs, and Vegetables. Granular for Easy Application. Pack of Two
Rooting Powder Catalyst Nutrient Supplement, Nitrogen Phosphorus Potassium Plant Growth Enhancer for Flower Vegetable Propagation, Fast Root Fertilizer Seedling Accelerator $7.99
$799
current price $7.99Rooting Powder Catalyst Nutrient Supplement, Nitrogen Phosphorus Potassium Plant Growth Enhancer for Flower Vegetable Propagation, Fast Root Fertilizer Seedling Accelerator
Lesco Basic Nutrition Fertilizer Stabilized Nitrogen 32-0-3 25% U-Plus 50 lb. $94.99
$9499
current price $94.99Lesco Basic Nutrition Fertilizer Stabilized Nitrogen 32-0-3 25% U-Plus 50 lb.
Amino Power Powder Nitrogen Fertilizer 16 oz - Plant-Based 100% Water Soluble High Nitrogen Source - 18 L-Amino Acids Chelating Agent for Foliar Spray, Turf, Vegetables, Fruits & Indoor Plants $21.95
$2195
current price $21.95Amino Power Powder Nitrogen Fertilizer 16 oz - Plant-Based 100% Water Soluble High Nitrogen Source - 18 L-Amino Acids Chelating Agent for Foliar Spray, Turf, Vegetables, Fruits & Indoor Plants
15 out of 5 Stars. 1 reviews
Save with
RTI Xtreme Gardening RT1351 Azos Nitrogen Fixing Microbes, 12-Ounce bag $46.99
$4699
current price $46.99RTI Xtreme Gardening RT1351 Azos Nitrogen Fixing Microbes, 12-Ounce bag
Other options to consider(174)
Popular in Nitrogen Boosters
Related Products
Dr. Earth 24 oz Concentrate Tomato Vegetable & Herb Fertilizer
Dr. Earth 24 oz Concentrate Tomato Vegetable & Herb Fertilizer$26.49current price $26.49Espoma Berry-Tone Fruit & Berry Food - 18 lbs
Espoma Berry-Tone Fruit & Berry Food - 18 lbs$32.75current price $32.75Medina Agriculture Products Growin Green Organic Granular Fertilizer, 5 lb
Medina Agriculture Products Growin Green Organic Granular Fertilizer, 5 lb$18.99current price $18.99Nutri-Plus 2.5-0-0 Organic Fertilizer 2 x 2.5 gallons
Nutri-Plus 2.5-0-0 Organic Fertilizer 2 x 2.5 gallons$140.00current price $140.00House & Garden HGAMT01L Amino Treatment Fertilizer, 1 L (2)
House & Garden HGAMT01L Amino Treatment Fertilizer, 1 L (2)$154.95current price $154.95Jobe's Organics Bone Meal Spikes - 50pk
Jobe's Organics Bone Meal Spikes - 50pk$12.99current price $12.99GH General Organics BioThrive Bloom Quart
GH General Organics BioThrive Bloom Quart$22.84current price $22.84Dr. Earth 18 lbs. Super Natural Organic 5-0-2 Fertilizer 2000 sq. ft
Dr. Earth 18 lbs. Super Natural Organic 5-0-2 Fertilizer 2000 sq. ft$41.99current price $41.99Espoma GG6 Garden Gypsum Fertilizer, 6-Pound
Espoma GG6 Garden Gypsum Fertilizer, 6-Pound$22.75current price $22.75Amplify Root Inoculant & Bloom Enhancer
Amplify Root Inoculant & Bloom Enhancer$155.00current price $155.00Dr. Earth Life All Purpose Pelletized Fertilizer 4-6-5 4Lb
Dr. Earth Life All Purpose Pelletized Fertilizer 4-6-5 4Lb$28.99current price $28.99
