YardMastery
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Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular Nitrogen Fertilizer for Grass - Covers 6,000 sq. ft.
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Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular Nitrogen Fertilizer for Grass - Covers 6,000 sq. ft.
Our slow release fertilizer formulation provides consistent nutrient supply over time, reducing the need for frequent applications and promoting long-lasting, healthy lawn maintenance.
Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular Nitrogen Fertilizer for Grass - Covers 6,000 sq. ft.
Item #: 84312654

Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular

Item #: 84312654
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Our slow release fertilizer formulation provides consistent nutrient supply over time, reducing the need for frequent applications and promoting long-lasting, healthy lawn maintenance.
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What Stands Out

Balanced Nutrients
Contains a perfect 12-12-12 NPK ratio, ensuring your lawn receives equal amounts of nitrogen, phosphorus, and potassium for robust growth and vibrant color.
Extended Coverage
One 18 lb bag covers up to 6,000 sq. ft., making it ideal for larger lawns while providing value with its extensive coverage capabilities.
Enhanced Iron Content
With 3% iron, this fertilizer promotes lush green grass, effectively combating yellowing and ensuring a healthier, more visually appealing lawn.

Product Details

Shop Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular Nitrogen Fertilizer for Grass - Covers 6,000 sq. ft. online at a best price in Cook Islands. B0BH9F93F5
Brand NameYard Mastery
Model Number12-12-12
ManufacturerYard Mastery
Number of Items1
Unit Count288.0 Ounce
Part NumberYM121212-18
Item Weight18 Pounds (8.16 kg)
Item FormGranules
Specific Uses For ProductLawn Fertilizer
Coverage6000
Target Specieslawn grasses
Mixing Ratio12:12:12
BrandYard Mastery
Number of Packs1

Who Should Buy?

Suitable For
  • New Lawn Owners

    Ideal for individuals establishing new lawns seeking balanced nutrient support for initial growth and development.

  • Seasonal Feeders

    Perfect for those aiming to fertilize mid-spring or fall, promoting robust root systems and vibrant grass color.

  • Large Yards

    Covers up to 6,000 sq. ft, making it suitable for homeowners with spacious outdoor areas needing effective fertilization.

Not Suitable For
  • Established Lawns

    Not suitable for mature lawns that require specialized fertilizers tailored to specific needs beyond balanced nutrients.

  • Low-Nitrogen Needs

    Users seeking low-nitrogen solutions should avoid this fertilizer, as it contains a high nitrogen concentration.

  • Organic Gardens

    Incompatible with strict organic gardening practices due to synthetic components, including ammonium sulfate and granulated formulas.

Product Description

Yard Mastery Lawn Fertilizer 18 lbs - 12-12-12 Starter Fertilizer with 12% Phosphorous, 3% Iron, 12% Ammonium Sulfate, 12% Potassium - Granular Nitrogen Fertilizer for Grass - Covers 6,000 sq. ft.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is 12-12-12 Starter Fertilizer used for?

    Answer: 12-12-12 Starter Fertilizer is designed to promote robust growth for new lawns, flower beds, and vegetable gardens. Its balanced NPK ratio (12% Nitrogen, 12% Phosphorus, 12% Potassium) ensures that plants receive essential nutrients for root development and overall vitality. Additionally, the inclusion of 3% Iron enhances the green pigment in plants, contributing to a vibrant lawn. If you're starting a new lawn from seed or revitalizing existing turf, this fertilizer is ideal for establishing strong root systems.
  • Question: How does 3% Iron in the fertilizer benefit my lawn?

    Answer: The 3% Iron in this fertilizer acts as a micronutrient that enhances chlorophyll production, leading to deeper green foliage. This is particularly beneficial in combating yellowing leaves, often caused by iron deficiency. Use this fertilizer in your lawn care routine to not only improve growth but also achieve a lush, vibrant appearance. It's especially effective during the spring and fall when your lawn is actively growing and can benefit from increased nutrient availability.
  • Question: Can I use this fertilizer on my vegetable garden?

    Answer: Yes, 12-12-12 Starter Fertilizer is suitable for vegetable gardens, helping to provide the essential nutrients needed for healthy growth and yield. The balanced nutrient composition supports root development, flowering, and fruiting stages of vegetables. For best results, apply this fertilizer at planting time or during the growing season to promote vigorous vegetable growth. Just ensure to follow the recommended application instructions specific to vegetable crops.
  • Question: How do I apply 12-12-12 Starter Fertilizer?

    Answer: Applying 12-12-12 Starter Fertilizer is straightforward. Spread the granular fertilizer evenly over the soil using a broadcast spreader for larger areas or by hand for smaller patches. For optimal results, apply it before planting seeds or transplanting seedlings, and water lightly afterward to help the nutrients penetrate the soil. Make sure to follow the guidelines on the packaging to avoid over-fertilization, which can damage plants and reduce growth.
  • Question: Is this fertilizer safe for pet owners?

    Answer: Yes, 12-12-12 Starter Fertilizer can be safe for pet owners when used according to instructions. While the ingredients are generally non-toxic, it is important to keep pets away from treated areas until the fertilizer is incorporated into the soil and the lawn is dry. This practice ensures that pets do not ingest any granules that could cause digestive upset. For peace of mind, always monitor pets around freshly treated areas.
  • Question: What size area does 18 lbs of this fertilizer cover?

    Answer: The 18 lbs. bag of 12-12-12 Starter Fertilizer is designed to cover approximately 6,000 square feet. This makes it an excellent choice for homeowners looking to fertilize large areas, such as new lawns or extensive gardens. Depending on the specific needs of your plants and the condition of your soil, you might use the fertilizer strategically across a few applications, ensuring thorough and effective nutrient delivery throughout the growing season.
  • Question: When is the best time to apply starter fertilizer on lawns?

    Answer: The best time to apply 12-12-12 Starter Fertilizer is during the early spring or fall when temperatures are moderate, and grass growth is active. Applying in spring helps establish seedlings or newly sodded lawns by promoting strong root growth, while a fall application can assist with recovery after summer stress. Timing your application ensures that the grass can efficiently absorb nutrients for optimal growth during peak seasons.
  • Question: Will this fertilizer work on acidic soils?

    Answer: Yes, 12-12-12 Starter Fertilizer can be beneficial in acidic soils, particularly because it contains Ammonium Sulfate, which can help to slightly lower soil pH and provide nutrients. However, if your soil is highly acidic, consider conducting a soil test to determine the necessary amendments for optimal health. This fertilizer can work well in conjunction with lime if pH adjustment is needed, helping optimize nutrient uptake for thriving plant growth.
  • Question: Where can I buy 12-12-12 Starter Fertilizer with 3% Iron and Bio-Nite™ in Cook Islands?

    Answer: You can buy the 12-12-12 Starter Fertilizer with 3% Iron and Bio-Nite™ from Ubuy in Cook Islands. Ubuy provides a convenient online shopping experience, ensuring you can easily access this essential lawn care product from the comfort of your home. They offer various options and fast service, making it simple to get the fertilizer you need for a healthy, thriving lawn.
  • Question: Is this fertilizer suitable for container gardening?

    Answer: Yes, 12-12-12 Starter Fertilizer is suitable for container gardening. The balanced nutrient ratio provides the essential elements for plants growing in pots, enhancing their growth potential. When using this fertilizer in containers, take care to adjust the application rate based on the pot size and plant type. Container plants often have more limited soil volume to extract nutrients, so regular monitoring and fertilizing can ensure they receive adequate nourishment throughout their growth cycle.

YardMastery Fertilizers & Plant Food 12-12-12 Editorial Review

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Features & Benefits

  • Balanced 12-12-12 formulation for optimal lawn nutrition.
  • Covers up to 6,000 sq. ft, ensuring expansive coverage.
  • Slow release technology reduces application frequency.
  • Enriched with essential micronutrients and 3% iron.
  • Promotes robust root development and vibrant green growth.
  • Designed for efficient nutrient uptake for thriving grass.

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