Nitrogen Boosters(59)
Uses item details. Price when purchased online
N-CARE - Long lasting green Nitrogen for plant growth, Green Nitrification Inhibitor $22.75
Sponsored
$2275
current price $22.75N-CARE - Long lasting green Nitrogen for plant growth, Green Nitrification Inhibitor
73.1 out of 5 Stars. 7 reviews
Farmer's Secret Tomato Booster Fertilizer (32oz) - Super Concentrated - 3:8:7 Ratio Fortified with Humic Acid, Iron and Calcium - Grow More Tomatoes From $14.99
Sponsored
From$1499
Farmer's Secret Tomato Booster Fertilizer (32oz) - Super Concentrated - 3:8:7 Ratio Fortified with Humic Acid, Iron and Calcium - Grow More Tomatoes
134.9 out of 5 Stars. 13 reviews
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Orchid Fertilizer Mist by Perfect Plants | Foliar Food Spray & Bloom Booster for Indoor Orchids | Plant nutrients for Repeat Blooming $13.99
Sponsored
$1399
current price $13.99Orchid Fertilizer Mist by Perfect Plants | Foliar Food Spray & Bloom Booster for Indoor Orchids | Plant nutrients for Repeat Blooming
35 out of 5 Stars. 3 reviews
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)
Harris Seeds - Exceed Pea & Bean Inoculant Organic Nitrogen Boost, Made in USA - 6 Oz. $14.97
$1497
current price $14.97Harris Seeds - Exceed Pea & Bean Inoculant Organic Nitrogen Boost, Made in USA - 6 Oz.
73.7 out of 5 Stars. 7 reviews
Diablo Nutrients N-27 Nitrogen Boost 32oz $49.99
$4999
current price $49.99Diablo Nutrients N-27 Nitrogen Boost 32oz
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 $46.99 Was $63.43
Now$4699
current price Now $46.99, 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)
Apmemiss Chlorophyll Spray for Plants, Nitrogen Urea Nutrient Fertilizer, Leaf Greenness Booster, Treatment for Yellow Withered Leaves, 100ml Plant Food, Indoor Potted Flower Vegetable Care Solution
Apmemiss Chlorophyll Spray for Plants, Nitrogen Urea Nutrient Fertilizer, Leaf Greenness Booster, Treatment for Yellow Withered Leaves, 100ml Plant Food, Indoor Potted Flower Vegetable Care Solution
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)
Organic Seafood Fertilizer 6-7-2 | 14.5% Calcium | All-Natural Fish & Shellfish-Based Garden Fertilizer | Boosts Growth, Improves Soil, and Prevents Blossom End Rot (20lbs) $58.00
Sponsored
$5800
current price $58.00Organic Seafood Fertilizer 6-7-2 | 14.5% Calcium | All-Natural Fish & Shellfish-Based Garden Fertilizer | Boosts Growth, Improves Soil, and Prevents Blossom End Rot (20lbs)
NPK Industries RAW Nitrogen 2 oz From $11.87
3 options
Available in additional 3 optionsFrom$1187
NPK Industries RAW Nitrogen 2 oz
54.8 out of 5 Stars. 5 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
Clearance 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 Was $15.59
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
Boca Hydro Ammonia Nitrate 39-0-5 High Nitrogen Supplement for Citrus, Orchids, Fruit Trees, Flower and Vegetable Gardens From $24.99
2 options
Available in additional 2 optionsFrom$2499
Boca Hydro Ammonia Nitrate 39-0-5 High Nitrogen Supplement for Citrus, Orchids, Fruit Trees, Flower and Vegetable Gardens
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
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
ZULAR Slow-release Fertilizer,Home Gardening Fertilizer,General-purpose Fertilizer,Nitrogen Phosphorus Potassium,Plant Nutrition Booster,Garden Soil Enhancer,All-season Gardening Supply $7.20
$720
current price $7.20ZULAR Slow-release Fertilizer,Home Gardening Fertilizer,General-purpose Fertilizer,Nitrogen Phosphorus Potassium,Plant Nutrition Booster,Garden Soil Enhancer,All-season Gardening Supply
Nitrogen Fertilizer 2oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use 2 Ounce Bag $10.90
$1090
current price $10.90Nitrogen Fertilizer 2oz - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use 2 Ounce Bag
NPK Industries RAW Nitrogen Growth Supplement for Hydroponics, 10 Pounds
NPK Industries RAW Nitrogen Growth Supplement for Hydroponics, 10 Pounds
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
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Clearance 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 Was $11.72
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
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 $8.94
5 options
Available in additional 5 optionsFrom$894
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
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
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Clearance Water Lily Fertilizer, Aquatic Plant Food with Nitrogen, Phosphorus & Potassium, Nutrient-Rich Flower Booster for Water Lilies & Aquatic Plants, 1 Pack Was $11.99
Water Lily Fertilizer, Aquatic Plant Food with Nitrogen, Phosphorus & Potassium, Nutrient-Rich Flower Booster for Water Lilies & Aquatic Plants, 1 Pack
Clearance kttectoa Water Fertilizer Aquatic Flower Booster Nutrient Rich Powder Balanced Nitrogen Phosphorus Potassium for Pond Plants Strong Root Growth 1 Pack Christmas Gifts Home $5.66 Was $6.29
Now$566
current price Now $5.66, Was $6.29$6.29
kttectoa Water Fertilizer Aquatic Flower Booster Nutrient Rich Powder Balanced Nitrogen Phosphorus Potassium for Pond Plants Strong Root Growth 1 Pack Christmas Gifts Home
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)
G3C13027L Espoma Organic Spring Lawn Booster 8-0-0 Natural & Organic Lawn Fertilizer. Long Lasting Slow-Release Nitrogen Enhanced with Calcium. 30 lb. Bag Covers up to 5,000 Sq. Ft. $60.47
$6047
current price $60.47G3C13027L Espoma Organic Spring Lawn Booster 8-0-0 Natural & Organic Lawn Fertilizer. Long Lasting Slow-Release Nitrogen Enhanced with Calcium. 30 lb. Bag Covers up to 5,000 Sq. Ft.
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
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
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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 - 10 Ounces $35.00
$3500
current price $35.00Big Foot Probiotic Root Boost Water Soluble Powder For Established Plants and Transplants - GROW ROOT SIZE, Increase Nitrogen, Grow New Plants from Cuttings, Pea Inoculant - 10 Ounces
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 $20.14
$2014
current price $20.14Big 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
15 out of 5 Stars. 1 reviews
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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 $35.99
2 options
Available in additional 2 optionsFrom$3599
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)
Nitrogen Fertilizer 2 Pounds (32 Ounces) - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use $16.29
$1629
current price $16.29Nitrogen Fertilizer 2 Pounds (32 Ounces) - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use
Aquatic Plant Fertilizer | Water Lily Flower Booster & Nutrient-Rich Formula | Balanced Nitrogen Phosphorus Potassium | Promotes Rooting & Bloom | Powder for Water Plants | 1 Pack | For Aquatic
Aquatic Plant Fertilizer | Water Lily Flower Booster & Nutrient-Rich Formula | Balanced Nitrogen Phosphorus Potassium | Promotes Rooting & Bloom | Powder for Water Plants | 1 Pack | For Aquatic
Aquatic Plant Fertilizer for Water Lilies, Nutrient-Rich Flower Booster with Nitrogen Phosphorus Potassium, Promotes Blooming Root Health in Pond Plants(Multicolor)
Aquatic Plant Fertilizer for Water Lilies, Nutrient-Rich Flower Booster with Nitrogen Phosphorus Potassium, Promotes Blooming Root Health in Pond Plants(Multicolor)
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
15 out of 5 Stars. 1 reviews
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 (10 lbs) $34.99
$3499
current price $34.99Old Cobblers Farm Ammonium Sulfate Fertilizer - Great Fertilizer and Soil Acidifier for Azaleas, Blueberries, Magnolia, and More. Boosts Nitrogen for Healthy Plants and Lush Lawns (10 lbs)
Dr. Earth Organic & Natural Nitro Big High Nitrogen Plant Food, 32 oz Concentrate $39.99
$3999
current price $39.99Dr. Earth Organic & Natural Nitro Big High Nitrogen Plant Food, 32 oz Concentrate
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
Nitrogen Fertilizer - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (200 Sq Ft (1/2 LB)) From $11.99
5 options
Available in additional 5 optionsFrom$1199
Nitrogen Fertilizer - Plant Nutrient for Deficiency Treatment and Enhanced Growth in Vegetative Stage - Indoor, Outdoor, Hydroponic Use (200 Sq Ft (1/2 LB))
23 out of 5 Stars. 2 reviews
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 $264.99
$26499
current price $264.99Big 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
Turf Titan Lawn Advancer, Hose End Lawn Fertilizer for Lawn Care, 32 oz From $19.72
From$1972
Turf Titan Lawn Advancer, Hose End Lawn Fertilizer for Lawn Care, 32 oz
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