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Ammonium Sulfate Fertilizer 21-0-0

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$ 21.99
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$ 21.99
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Weight: 2 Pounds

Ammonium Sulfate Fertilizer 21-0-0

Professional-Grade Nitrogen Source for Superior Plant Growth

Elevate your garden's potential with our premium Ammonium Sulfate Fertilizer, a powerful nitrogen and sulfur-rich solution designed for professional results. This water-soluble fertilizer provides rapid nutrient delivery and pH management capabilities, making it the perfect choice for serious gardeners and agricultural professionals.

Why Choose Our Ammonium Sulfate Fertilizer 21-0-0?

  • High Nitrogen Content: 21% water-soluble nitrogen for rapid green growth and plant development
  • Sulfur Rich: 24% sulfur content perfect for acid-loving plants and pH management
  • 100% Water Soluble: Quick absorption and easy application for both indoor and outdoor plants
  • Versatile Application: Suitable for lawns, vegetables, fruits, flowers, and houseplants
  • pH Management: Ideal for lowering soil pH in alkaline conditions
  • Professional Grade: Used by commercial growers and home gardeners alike
  • Long-Lasting Results: Provides sustained nutrition for robust plant growth
  • Enhanced Color: Promotes deep green foliage and vibrant plant health

Application Rates

Lawn Application:

Area Application Rate Frequency
Per 1000 sqft 3-5 pounds Every 4-6 weeks during growing season
Per Acre 120-200 pounds As needed

Vegetable Gardens (Per 1000 sqft):

Plant Type Application Rate Frequency
Leafy Greens 1-2 pounds As needed
Fruiting Vegetables 2-3 pounds
Root Vegetables 1.5-2.5 pounds
Legumes 1.5-2.5 pounds

Vegetable Gardens (Per Plant):

Plant Type Application Rate Frequency
Leafy Greens 1-2 tablespoons As needed
Fruiting Vegetables 2-3 tablespoons
Root Vegetables 1.5-2.5 tablespoons
Legumes 1.5-2.5 tablespoons

House Plants:

Plant Size Application Rate Frequency
Small 1 tsp per gallon of water Every 4-6 weeks
Medium to Large 1-2 tbsp per gallon of water

Other Applications:

Application Type Area/Plant Type Application Rate Frequency
Field Crops Per Acre 50-150 pounds As needed
Foliar Application All Plants 1-2 tbsp per gallon of water Every 2-4 weeks during growing season
Greenhouse and Hydroponic All Plants 1-2 tbsp per gallon of water Regularly, adjust based on plant needs

Simply mix into the topsoil and water thoroughly after application.

Customer Success Stories

★★★★★

"My blueberries have never looked better! This fertilizer really helped manage the soil pH and the plants are thriving!"

- Michael R.

★★★★★

"Perfect for my acid-loving plants. Easy to use and dissolves completely. Seeing great results on my lawn too!"

- Sarah K.

Grow with Confidence

Our Ammonium Sulfate Fertilizer 21-0-0 is designed to give you peace of mind and exceptional results. Explore the following features that set our product apart:

Product Quality Guaranteed
  • All our products are manufactured in California, USA
  • Tested by independent third-party laboratories for quality assurance
  • Registered with the California Department of Food and Agriculture (CDFA)
  • Rigorously tested to ensure products are free from heavy metals
Hassle-Free Return Policy

We stand behind the quality of our Ammonium Sulfate Fertilizer. If you're not completely satisfied with your purchase, we offer a 30-day money-back guarantee. Simply return the unused portion of the product in its original packaging, and we'll process a full refund, no questions asked.

Environmental Responsibility

At Greenway Biotech, we're committed to sustainable practices:

  • Our packaging is made from biodegradable materials
  • After use, you can leave the packaging in your garden or compost, where it will naturally degrade
  • We source our raw materials from reputable companies and countries
  • Precise nutrient formulation to minimize runoff and environmental impact
  • Support for sustainable farming practices
  • Ongoing research into organic and environmentally friendly fertilizer solutions
Charitable Contributions

At Greenway Biotech, we believe in giving back to our community and supporting education for children:

  • 1% of all profits from our product sales go to the Greenway Foundation
  • The Greenway Foundation is dedicated to helping children's education
  • Your purchase contributes directly to improving educational opportunities for children

For more information about the Greenway Foundation and its initiatives, please visit greenway.foundation.

Discover More Garden Wisdom

Have Questions?

Check out our Frequently Asked Questions or contact our fertilizer experts for personalized advice.

Customer Reviews

Based on 35 reviews
89%
(31)
3%
(1)
3%
(1)
0%
(0)
6%
(2)
a
andy mitchell

Item is just fertilizer it will last 5 or 6 years and delivery was good

J
James Cudney
Ammonium Sulfate fertilizer purchase

Prompt and Positive response from this company. The fertilizer was shipped right away and arrived safely. I have used this product in the past. It is easy to broadcast around my blueberry bushes and the bushes are thriving

a
arsenio camarillo

It works great for my veggies plants and will order it again

t
tim murphy
Dark green

Very happy with the results. Turned my lawn dark green and growing like crazy. Already turned a few friends on to your product. I will be buying more for sure. TIM

R
Robert Adkins JR.
NEEDED FERTILIZER

FANTASTIC, GREAT! I CAN NOT FIND THE RECOMENDED FERTILIZER TO GROW MY VEGETABLES. MOST FERTILIZERS I FIND HAVE WEED KILLER IN IT. I WILL BE PURCHASING YOOUR PRODUCTS IN THE FUTURE.