null Skip to main content
Zoom the image with the mouse

Hi-Yield Ammonium Sulfate 3.25lb

SKU: 127335
UPC: 732221341777
$9.99
$7.99
(You save $2.00 )
  • Fast-release nitrogen fertilizer for rapid greening and vigorous plant growth
  • Contains sulfur to help acidify alkaline soils and improve nutrient uptake
  • Ideal for lawns, vegetables, flowers, trees, shrubs, and acid-loving plants like blueberries
  • Easy-to-use granular formula for consistent application and quick results

Hi-Yield Ammonium Sulfate 21-0-0 is a powerful nitrogen fertilizer designed to promote lush green foliage and strong plant growth. Enriched with sulfur, it helps lower soil pH, making nutrients more available to plants. Perfect for lawns, gardens, trees, shrubs, and acid-loving plants such as blueberries, azaleas, and rhododendrons, this fast-acting formula delivers immediate results when watered in. Use throughout the growing season for vibrant, healthy plants and improved soil conditions.


Guaranteed Analysis

Total Nitrogen (N): 21.0%
Available Phosphate (P₂O₅): 0%
Soluble Potash (K₂O): 0%
Sulfur (S): 24.0%
Derived from: Ammonium Sulfate

Ingredients

Ammonium Sulfate granules providing nitrogen and sulfur for plant nutrition and soil acidification.

Key Benefits

Rapid greening and vigorous growth
Acidifies alkaline soils for better nutrient absorption
Supplies essential nitrogen and sulfur
Safe for a wide range of plants including acid-loving species

Application Rates – Lawns

Apply ½ lb per 100 sq ft or 5 lbs per 1,000 sq ft. Water immediately after application. Repeat every 8 weeks as needed.

Application Rates – Flowers & Vegetables

Apply ½ lb per 100 sq ft evenly or 1 teaspoon per plant, avoiding direct contact with stems. Water thoroughly after application.

Application Rates – Trees & Shrubs

Apply ½ lb per inch of trunk diameter around the drip line. Water heavily after application.

Application Rates – Blueberries & Acid-Loving Plants

Apply 2–3 tablespoons per plant for young plants and up to 8 tablespoons for mature plants. Spread evenly around the base, avoiding stems. Apply in April, May, and June.

Storage & Handling

Store in a cool, dry place. Keep bag sealed to prevent moisture absorption. Use gloves when handling and avoid inhaling dust.

Note:

  • Always follow label instructions carefully for safe and effective use.
  • Store in a cool, dry, and out-of-reach location.

Label.pdf

Safety Data Sheet.pdf

 
  • Fast-release nitrogen fertilizer for rapid greening and vigorous plant growth
  • Contains sulfur to help acidify alkaline soils and improve nutrient uptake
  • Ideal for lawns, vegetables, flowers, trees, shrubs, and acid-loving plants like blueberries
  • Easy-to-use granular formula for consistent application and quick results

Hi-Yield Ammonium Sulfate 21-0-0 is a powerful nitrogen fertilizer designed to promote lush green foliage and strong plant growth. Enriched with sulfur, it helps lower soil pH, making nutrients more available to plants. Perfect for lawns, gardens, trees, shrubs, and acid-loving plants such as blueberries, azaleas, and rhododendrons, this fast-acting formula delivers immediate results when watered in. Use throughout the growing season for vibrant, healthy plants and improved soil conditions.


Guaranteed Analysis

Total Nitrogen (N): 21.0%
Available Phosphate (P₂O₅): 0%
Soluble Potash (K₂O): 0%
Sulfur (S): 24.0%
Derived from: Ammonium Sulfate

Ingredients

Ammonium Sulfate granules providing nitrogen and sulfur for plant nutrition and soil acidification.

Key Benefits

Rapid greening and vigorous growth
Acidifies alkaline soils for better nutrient absorption
Supplies essential nitrogen and sulfur
Safe for a wide range of plants including acid-loving species

Application Rates – Lawns

Apply ½ lb per 100 sq ft or 5 lbs per 1,000 sq ft. Water immediately after application. Repeat every 8 weeks as needed.

Application Rates – Flowers & Vegetables

Apply ½ lb per 100 sq ft evenly or 1 teaspoon per plant, avoiding direct contact with stems. Water thoroughly after application.

Application Rates – Trees & Shrubs

Apply ½ lb per inch of trunk diameter around the drip line. Water heavily after application.

Application Rates – Blueberries & Acid-Loving Plants

Apply 2–3 tablespoons per plant for young plants and up to 8 tablespoons for mature plants. Spread evenly around the base, avoiding stems. Apply in April, May, and June.

Storage & Handling

Store in a cool, dry place. Keep bag sealed to prevent moisture absorption. Use gloves when handling and avoid inhaling dust.

Note:

  • Always follow label instructions carefully for safe and effective use.
  • Store in a cool, dry, and out-of-reach location.

Label.pdf

Safety Data Sheet.pdf