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10 Best Fertilizers For New Sod 2025 in the United States

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Our Top Picks

#1

Winner

Scotts Turf Builder Grass Seed Sun & Shade Mix with Fertilizer and Soil Improver, Thrives in Many Conditions, 5.6 lbs.

The Scotts Turf Builder Grass Seed Sun & Shade Mix with Fertilizer and Soil Improver offers a versatile solution for those looking to seed new lawns or enhance existing ones. It excels in diverse light conditions, from full sun to dense shade, making it adaptable to various environments. The mix includes aggressive grass varieties that spread quickly to repair bare and thin spots, ensuring a lush lawn.

The WaterSmart coating is a standout feature, doubling water absorption and retention compared to uncoated seeds, which is beneficial for new sod that requires consistent moisture. This helps in reducing watering frequency and promotes quicker establishment of the grass.

A 5.6-pound bag of this product covers a large area, making it cost-effective for both large and small lawns. Users will appreciate the medium to high drought resistance, which reduces the burden of constant watering after the grass is established. The broad application method makes it user-friendly for those who may not be experienced in lawn care.

#2

Scotts Turf Builder Triple Action Built For Seeding, Weed Preventer and Fertilizer for New Lawns, 4,000 sq. ft., 17.2 lbs.

Rating
9.8
Application Method

Most important from
1658 reviews

Application Method
Application was super easy, with even coverage using a spreader.

Scotts Turf Builder Triple Action Built For Seeding is a versatile fertilizer designed specifically for new lawns. One of its key strengths is its multi-functionality: it acts as a fertilizer, a weed preventer, and a lawn developer all at once. This product is especially beneficial for preventing common weeds like dandelions and crabgrass for up to 6 weeks, while still being safe for new grass growth.

It also helps grass withstand harsh conditions such as heat and drought, making it a solid choice for those who want a resilient, healthy lawn. Covering up to 4,000 square feet with a 17.2 lb. bag, it offers good value for medium to large lawns. Designed for use with a variety of grass types, including Kentucky Bluegrass and Tall Fescue, it is versatile and easy to apply in granular form when temperatures are between 60°F and 90°F.

Its targeted weed prevention and lawn protection features make it a strong candidate for new sod care.

Rating
9.8
Application Method

Most important from
1658 reviews

Application Method
Application was super easy, with even coverage using a spreader.
#3

Scotts Turf Builder Starter Food for New Grass Ready-Spray, Use on Newly Seeded Lawns or After Installing Sod, For All Grass Types, 600 sq. ft., 32 oz.

The Scotts Turf Builder Starter Food for New Grass Ready-Spray is a convenient liquid fertilizer designed specifically for newly seeded lawns or after installing sod. It is formulated to help new grass grow quicker and thicker and can be used on all grass types. The ready-to-spray bottle makes application easy, allowing you to feed and water your lawn simultaneously, which can be a time-saver for busy homeowners. Covering 600 sq. ft., this product is suitable for small to medium-sized areas.

One of its main strengths is its ease of use, as you simply attach it to your garden hose and spray. This eliminates the need for additional equipment and makes the process straightforward, even for those new to lawn care. The N-P-K ratio is designed to support root development and grass health.

The product is synthetic, which typically results in faster nutrient uptake compared to organic options. This can be beneficial for quick results but may not be as environmentally friendly. The Scotts Turf Builder Starter Food for New Grass Ready-Spray is a practical and effective solution for new sod or seeded lawns, particularly valued for its ease of use and effectiveness, though its coverage area and synthetic nature might be considerations for some users.

Buying Guide for the Best Fertilizers For New Sod

Choosing the right fertilizer for new sod is crucial to ensure that your lawn establishes quickly and grows healthily. Fertilizers provide essential nutrients that help the grass roots to develop and the blades to grow lush and green. When selecting a fertilizer, it's important to understand the key specifications and how they relate to your lawn's needs. Here are the main factors to consider when picking a fertilizer for new sod.
N-P-K RatioThe N-P-K ratio represents the percentage of Nitrogen (N), Phosphorus (P), and Potassium (K) in the fertilizer. Nitrogen promotes leaf growth, Phosphorus supports root development, and Potassium enhances overall plant health. For new sod, a higher Phosphorus content is beneficial to encourage strong root establishment. Look for a fertilizer with a ratio like 10-20-10 or 15-30-15. If your soil test indicates a deficiency in any of these nutrients, you may need to adjust the ratio accordingly.
Slow-Release vs. Quick-ReleaseFertilizers can be slow-release or quick-release. Slow-release fertilizers gradually release nutrients over time, providing a steady supply to the grass. Quick-release fertilizers deliver nutrients immediately but may require more frequent applications. For new sod, a combination of both can be effective. Slow-release ensures long-term feeding, while a small amount of quick-release can give the sod an initial boost. Choose based on your maintenance preference and the specific needs of your lawn.
Organic vs. SyntheticOrganic fertilizers are made from natural materials and improve soil health over time, while synthetic fertilizers are chemically manufactured and provide immediate nutrient availability. Organic options are generally safer for the environment and can enhance soil structure, but they may act more slowly. Synthetic fertilizers offer quick results and precise nutrient ratios. If you prefer a more sustainable approach and are patient with slower results, go for organic. If you need rapid establishment and precise control, synthetic might be the better choice.
MicronutrientsIn addition to the primary nutrients (N-P-K), fertilizers may contain micronutrients like iron, manganese, and zinc, which are essential for overall plant health. These are particularly important if your soil lacks these elements. Check the fertilizer label for a comprehensive list of micronutrients. If your soil test shows deficiencies, choose a fertilizer that includes the necessary micronutrients to ensure your new sod gets a balanced diet.
Application MethodFertilizers can be applied in granular or liquid form. Granular fertilizers are spread over the lawn and watered in, while liquid fertilizers are mixed with water and sprayed. Granular fertilizers are easier to apply evenly and are less likely to burn the grass if over-applied. Liquid fertilizers provide quick nutrient uptake and are useful for immediate feeding. Consider your comfort with application methods and the specific needs of your lawn when choosing between granular and liquid fertilizers.

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