Fertilizers

Fertilizers

Liquid Lawn, Plant, Garden & Flower Fertilizers

Find every kind of fertilizer from A to Z (Aluminum Sulfate to Zinc Sulfate) here at Seed Ranch and take advantage of our guaranteed low prices whether you're buying by the pound or by the pallet. Choose an all-organic, all-purpose 10-2-8 fertilizer by Dynamite or pick their special 13-5-11 Palm & Citrus fertilizer for greening your palms and producing bigger and juicier fruit (including avocados). One application is good for nine months.

We carry more than 50 varieties of high quality fertilizer products, both in liquid and granular form, from top name manufacturers including Pennington, Southern AG and Dynamite. Also check out the Hydretain Moisture Management products designed to cut water use by 50 percent, especially recommended for drought areas.

Potassium Nitrate Powder 99.8% Pure - 5 Lbs.
$17.77

Potassium Nitrate Powder 99.8% Pure - 5 Lbs.

Potassium Nitrate Powder - KNO3Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Pr...

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$17.77
Potassium Nitrate Powder - KNO3 - 1/2 Lb.
$5.95

Potassium Nitrate Powder - KNO3 - 1/2 Lb.

Potassium Nitrate Powder - KNO3 Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Pr...

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$5.95
Soil Acidifier Sulfur Fertilizer Pellet - 50 Lbs.
$59.95

Soil Acidifier Sulfur Fertilizer Pellet - 50 Lbs.

SOIL ACIDIFIER No dust, hard, uniform pelletsCONTAINS: 90% SulfurUSE ON: Lawns, shrubs, trees and before planting vegetables and flowers.FOR: The c...

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$59.95
Potassium Nitrate Powder - KNO3 - 10 Lbs.
$29.95

Potassium Nitrate Powder - KNO3 - 10 Lbs.

Potassium Nitrate Powder - KNO3Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Pro...

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$29.95
Lesco Professional 16-4-8 Fertilizer - 50 Lbs.
$57.77

Lesco Professional 16-4-8 Fertilizer - 50 Lbs.

This fertilizer provides the nutrients, including iron, needed to green southern lawns when outside temperatures are cool. Apply in spring to jump...

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$57.77
Potassium Nitrate Powder - KNO3 - 50 Lbs.
$97.77

Potassium Nitrate Powder - KNO3 - 50 Lbs.

Potassium Nitrate Powder - KNO3Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Pro...

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$97.77
Potassium Nitrate Powder - KNO3 - 20 Lbs.
$50.95

Potassium Nitrate Powder - KNO3 - 20 Lbs.

Potassium Nitrate Powder - KNO3 Potassium nitrate is used in a variation of ways, but mostly seen in fertilizers and the removal of tree stumps. Pr...

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$50.95
Osmocote 14-14-14 Classic Fertilizer - 50 Lbs.
$114.59

Osmocote 14-14-14 Classic Fertilizer - 50 Lbs.

Osmocote Classic Slow Release Fertilizer 14-14-143-4 Month Longevity For use in nursery, foliage and greenhouse production, container gardens, inte...

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$114.59
Micromax Micronutrients Fertilizer - 50 Lbs.
$134.89

Micromax Micronutrients Fertilizer - 50 Lbs.

Micromax Micronutrients Granular FertilizerMicromax Micronutrients is a leading homogenous granular micronutrient fertilizer that maximizes sulfate...

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$134.89
All Purpose Fertilizer 10-10-10 - 5 Lbs.
$12.77

All Purpose Fertilizer 10-10-10 - 5 Lbs.

10-10-10 All Purpose Fertilizer Balanced fertilizer (10% each Nitrogen, Phosphorus, Potassium) Uniform, homogenous granular formulation Boosts fert...

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$12.77
Chelated Liquid Iron Fertilizer - 1 Gallon
$29.90

Chelated Liquid Iron - 1 Gal.

Chelated Liquid Iron Fertilizer Corrects Iron deficiency in flowers, vegetables, shrubs & trees. Can also be used on lawns for a deep, rich gr...

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$29.90
Lesco 20-20-20 Turf and Ornamentals Sprayable Fertilizer - 25 Lbs.
$77.70

Lesco 20-20-20 Turf and Ornamentals Sprayable Fertilizer - 25 Lbs.

Lesco 20-20-20 Turf and Ornamentals Sprayable Fertilizer Premium Quality Fertilizer Completely Water Soluble Easy Mixing & Application Spray Ta...

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$77.70
Granular Sulphur Fertilizer - 50 Lbs.
$73.99

Granular Sulphur Fertilizer - 50 Lbs.

Tiger 90CR Granular Sulphur Boosts Crop PerformanceSpecifically formulated Tiger 90CR sulphur fertilizer (0-0-0-90) is designed to quickly degrade,...

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$73.99
Plug Fast 12-12-6 Plug Fertilizer - 5 Lbs.
$11.90

Plug Fast 12-12-6 Grass Plug Fertilizer - 5 Lbs.

Plug Fast 12-12-6 Controlled Release Plug Fertilizer   Specially formulated for planting grass plugs Contains slow release Nitrogen High in Phosph...

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$11.90
Monoammonium Phosphate 12-61-0 (Water Soluble) - 1 Lb
$7.77

Monoammonium Phosphate 12-61-0 (Water Soluble) - 1 Lb

Monoammonium Phosphate 12-61-0 (Water Soluble)Monoammonium Phosphate fertilizer contains 12% Nitrogen (N) and 61% Phosphorus (P) and it is 100% wat...

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$7.77
Ammonium Sulfate 21-0-0 Granular Fertilizer - 50 Lbs.
$58.95

Ammonium Sulfate 21-0-0 Granular Fertilizer - 50 Lbs.

Ammonium Sulfate Granular 21-0-0 FertilizerWhite, free flowing granular (N-Rich) non-leaching ammoniacal nitrogen 21% chemically compounded with s...

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$58.95
Southern Ag 20-20-20 Soluble Fertilizer - 25 Lbs.
$54.94

Southern Ag 20-20-20 Soluble Fertilizer - 25 Lbs.

Southern Ag 20-20-20 Soluble Fertilizer Southern Ag 20-20-20 is a soluble fertilizer with minor elements for use on ornamentals, shrubs, trees, l...

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$54.94
Lesco 24-2-11 St. Augustine Lawn Fertilizer - 50 Lbs.
$67.77

Lesco 24-2-11 St. Augustine Lawn Fertilizer - 50 Lbs.

Lesco 24-2-11 + 6% Iron St. Augustine Lawn Fertilizer 12,000 Sq.ft of coverage per 50 lb. bagThis professional grade fertilizer is excellent to ...

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$67.77
Dynamite All-Purpose Select Indoor/Outdoor Plant Food 15-5-9 - 7 lbs.
$21.95

Dynamite All-Purpose Select Indoor/Outdoor Plant Food 15-5-9 - 7 lbs.

Dynamite All-Purpose Select Indoor/Outdoor Plant Food Feeds continuously for up to 9 months!Contains Certain Micronutrients To Grow Bigger, Greener...

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$21.95
Triple Super Phosphate 0-46-0 Fertilizer - 50 Lbs.
$67.77

Triple Super Phosphate 0-46-0 Fertilizer - 50 Lbs.

TRIPLE SUPER PHOSPHATE 0-46-0 BULB BOOSTEREnhances stem strength and flower formation and setCONTAINS: Granular grade Phosphate 46%. Not for sprayi...

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$67.77
Granular Sulphur Fertilizer - 20 Lbs.
$32.50

Granular Sulphur Fertilizer - 20 Lbs.

Tiger 90CR Granular Sulphur Boosts Crop PerformanceSpecifically formulated Tiger 90CR sulphur fertilizer (0-0-0-90) is designed to quickly degrade,...

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$32.50
Sulfur Powder - 50 Lbs.
$59.95

Sulfur Powder - 50 Lbs.

99.5% Pure Elemental Sulfur PowderElemental sulfur is mainly used as a precursor to other chemicals. Elemental sulfur is one of the oldest fungicid...

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$59.95
Monoammonium Phosphate 12-61-0 (Water Soluble) - 50 Lbs
$97.99

Monoammonium Phosphate 12-61-0 (Water Soluble) - 50 Lbs

Monoammonium Phosphate 12-61-0 (Water Soluble)Monoammonium Phosphate fertilizer contains 12% Nitrogen (N) and 61% Phosphorus (P) and it is 100% wat...

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$97.99
Lesco 20-0-20 St. Augustine Weed & Feed - 50 Lbs.
$67.77

Lesco 20-0-20 St. Augustine Weed & Feed - 50 Lbs.

Lesco 20-0-20 + 6% Iron St. Augustine Lawn Fertilizer 12,000 Sq.ft of coverage per 50 lb. bagActive: AtrazineThis professional grade weed N feed...

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$67.77