Skip to Content

What’s the Best Fertilizer for New Grass Seed 2? (2023)

This site is supported by our readers. We may earn a commission, at no cost to you, if you purchase through links.

what is the best fertilizer to use on new grass seed 2Surprise! Not all fertilizers are created equal. When it comes to new grass seed, the best fertilizer you can use is one specifically designed for that purpose – Starter Fertilizer 2. With its high concentration of nutrients and balanced profile, applying a starter fertilizer helps your lawn get off to an even better start by providing newly seeded areas with essential elements needed for quick establishment and optimal growth.

But why exactly do you need to apply starter fertilizer? How do you choose the right kind? We’ll answer those questions plus more in this guide on what’s the best fertilizer for new grass seed 2 so that when spring rolls around again, your lawn will be ready!

Key Takeaways

Quick-release nitrogen is essential for healthy growth; Scotts Turf Builder Starter Food, GreenView 10-18-10 starter fertilizer, Jonathan Green Lawn Fertilizer 12-18-8, Lesco Professional Fertilizer, and Purely Organic Products LLC’s Lawn Food are excellent options.

Aerate the soil before fertilizing to free yourself from weeds. Compost helps improve soil structure and use regular fertilizer to keep new grass healthy and growing strong.

What is the Best Fertilizer to Use on New Grass Seed 2?

What is the Best Fertilizer to Use on New Grass Seed 2
If you’re looking to get your dream lawn started, check out these seven fertilizers that will help new grass seed grow thicker and faster! To determine the best fertilizer for your needs, consider the type of grass variety being planted and how often it needs to be watered.

A soil test is also an important step in determining what kind of fertilizer should be applied. For instance, a starter fertilizer with a 21-22-4 ratio of nitrogen, phosphorus and potassium can give newly seeded lawns an early boost in growth.

Scotts Turf Builder Starter Food for New Grass combines exclusive All-in One particles technology with this ratio to ensure 70% thicker growth compared to unfed lawns, while GreenView 10-18-10 NPK Starter Fertilizer provides 8 weeks’ worth of time-released nitrogen feedings, which are essential for root development.

Jonathan Green Lawn Fertilizer 12–18–8 mix contains humates, which aid nutrient efficiency, as well as Lesco Professional Liquid 50lb 4x12x24in model 052405, designed specifically not to burn the roots during the germination process.

MySoil Soils Test Kit comes with a prepaid mailing envelope so users can receive tailored recommendations on organic or synthetic fertilization methods based on their soil analysis results from anywhere within 6-8 days.

Finally, Purely Organic Products LLC’s Lawn Fertilizer is an all-natural, plant-based formula, perfect for when environmentally friendly options are desired, thanks to its slow breakdown effects that keep feeding up to 5,000 sq ft area throughout the entire season without causing any burning experience whatsoever.

Even though Milorganite Nitrogen Fertilizer Plant Food 6–4–0 blend is packed full of iron content, making it a great option for drought-prone areas with water restraints due to its long-lasting effect.

Why Should I Fertilize New Grass?

Why Should I Fertilize New Grass
Fertilizing new grass is essential for creating a lush, green lawn; it helps the seedlings grow 70% thicker and 35% faster than unfed lawns. For best results, choose a fertilizer with an appropriate ratio of nitrogen, phosphorus, and potassium to meet your soil’s specific needs.

Starter fertilizers are higher in nitrogen and phosphorus, which help the seed develop root systems quickly, while regular feedings of balanced fertilizers provide necessary nutrients for long-term growth.

Different types of grass require different watering tips to ensure optimal nutrition absorption, so be sure to select one specifically designed for your particular type of turfgrass, or mix different varieties together if planting multiple seeds at once.

Weed control can also benefit from proper fertilization, as weeds rob plants of vital nutrients needed for healthy development that organic fertilizer provides naturally, without harsh chemicals or smelly biosolids found in some synthetic brands.

To get started on building strong roots with lasting color, use compost mixed with starter fertilizer, along with light waterings every other day until germination occurs, then switch over to regular feeds every 6-8 weeks throughout the growing season when using slow-release products such as Purely Organic Lawn Food or Milorganite.

How to Choose the Best Fertilizer for New Grass

How to Choose the Best Fertilizer for New Grass
Choosing the right fertilizer for your new grass seed is essential to ensure it grows healthy and strong. There are a few key factors to consider when selecting the best product. First, evaluate what type of grass you have chosen – warm season or cool season? This will help determine which fertilizers are most appropriate for your lawn care needs.

Additionally, perform a soil test to identify nutrient deficiencies and amend them with phosphorus and potassium-rich fertilizers as needed. Slow-release feed products should also be considered, so nutrients stay available over time instead of needing frequent application intervals during seed germination stages (10-14 days).

How Do I Fertilize New Grass Seed?

How Do I Fertilize New Grass Seed
You can get your dream lawn started with the right fertilizer for new grass seed. To ensure healthy root growth and strong grass seedlings, there are a few key steps you should take when fertilizing. For quick-release nutrients that promote immediate growth, opt for an all-natural plant-based fertilizer such as Purely Organic Lawn Food or Milorganite Nitrogen Fertilizer Plant Food with an analysis of 6-4-0 and rich in iron.

Another option is to use slow-release fertilizers like Scotts Turf Builder Starter Food for New Grass or Greenview 10–18–10 NPK Starter Fertilizer, which provide up to 8 weeks of time-released nitrogen without any burning effects on the lawn.

Finally, Jonathan Green Lawn Fertilizer 12–18–8 provides humates to enhance the efficiency and availability of key plant nutrients while feeding your lawn’s soil over two months after application—don’t forget to water it in!

With these tips, you’ll have green turf throughout spring into summer, ready just in time for sod or seeding come fall season!

Growing, Growing, Gone

Growing, Growing, Gone
Now that you’ve laid the groundwork for a successful new lawn, it’s time to take preventative measures and establish healthy growth. Pest control is essential in keeping your grass looking its best, as are soil amendments such as fertilizer and lime.

When applying fertilizer, choose one high in nitrogen like Scotts Turf Builder Starter Food or GreenView 10-18-10 NPK Starter Fertilizer for optimal results. Water conservation can be achieved with proper aeration practices which help reduce runoff while promoting water absorption into the root zone of the turf grass.

Also consider using Jonathan Green Lawn Fertilizer 12-18-8 or Lesco Professional Fertilizer 12000sqft to get your lawn off to the right start.

To further promote lush green blades, use Milorganite Nitrogen 6–4–0 Plant food with added iron which won’t burn newly seeded areas nor cause any harsh runoffs during dry spells – it’ll feed up 8–10 weeks after application.

How to Use Starter Fertilizer

How to Use Starter Fertilizer
Gently stir starter fertilizer into the soil with a spoon to get that grass seed growing. It’s important to select the right type of fertilizer for your species and type of grass, as well as consider factors like local climate and soil conditions.

  • Consider different types of seed when selecting your fertilizer – cool season or warm season varieties require different ratios of nitrates and phosphates
  • Take a soil test before applying any lawn care product to determine what nutrients may be lacking or needed by your turf
  • Use screened compost or corn gluten meal in addition to nitrogen-rich organic fertilizers for additional growth cycles
  • Avoid weed & feed products until after the third mowing cycle to protect newly seeded areas.

By following these steps, you can ensure success with new grass seeding projects! It’s important to be informed about which types work best in various climates, soils, water restrictions/drought conditions/and other environmental considerations; then match those parameters up against the desired outcome for beautiful results!

When to Feed a New Lawn

When to Feed a New Lawn
Fertilizing a new lawn is an important step in achieving the fullest potential of your turf. Whether you’ve just seeded or sodded, it’s essential to give your grass the nutrients it needs to thrive. With careful timing and application of fertilizer, you can ensure that your lawn will stay lush and green for years to come.

Fertilizing a Newly Seeded Lawn

Energize your lawn with the perfect fertilizer to give your new grass seed a head start! Quick-release nitrogen is essential for healthy growth, but choosing from different types and ratios of NPK can be tricky.

Scott’s Turf Builder Starter Food, GreenView 10-18-10 starter fertilizer or Jonathan Green Lawn Fertilizer 12-18-8 are all great options as they cover 15000sqft, 14000sqft and 1500sqft respectively. For organic choices try Lesco Professional Fertilizer or Purely Organic Products LLC’s Lawn food, which come in liquid form that won’t burn the lawn.

A soil test kit such as MySoil provides tailored recommendations based on climate and grass type to get you growing quickly; then adjust watering tips accordingly while maintaining mowing height at optimal level for best results.

Fertilizing a Newly Sodded Lawn

For a freshly sodded lawn, apply fertilizer with an appropriate ratio of nitrogen, phosphorus, and potassium to keep the grass vibrant. Organic products like Scotts Turf Builder Starter Food for New Grass or GreenView 10-18-10 NPK Starter Fertilizer are great options that provide immediate and time-released nutrients without burning.

A granular fertilizer like Jonathan Green Lawn Fertilizer is another excellent option due to its iron-rich humates that enhance leaf growth up to two months after application. For something different, try Lesco Professional Fertilizer 12000sqft in liquid form, which can be applied with any fertilizer spreader without burning your lawn.

When to Use Regular Fertilizer

When to Use Regular Fertilizer
Once your new grass seed has germinated, it’s time to use regular fertilizer to keep it healthy and growing strong. To ensure the best results, apply a balanced fertilizer with nitrogen-phosphorus-potassium (NPK) ratios appropriate for the type of grass seed you planted.

A soil test can help determine how much starter fertilizer is needed before applying any additional fertilizers. Additionally, an iron rake or lawn measuring device will allow you to accurately measure how much area needs coverage when applying liquid applications like weed and feed fertilizers or organic options such as Purely Organic Lawn Food by Milorganite.

When using a granular application system like GreenView Starter Fertilizer 10-18-10 NPK or Jonathan Green Lawn Fertilizer 12–18–8 with Humates for seeding and sodding lawns, make sure there is even coverage across all areas being treated by using a spreader set at recommended settings from their individual product labels.

If you’re unsure of what setting works better in different parts of your yard, use an online Grass Seed Calculator tool which helps calculate potential yield per square foot based on different factors including planting techniques used along with other information specific to each site location.

This allows for more accurate amounts while ensuring proper nutrition levels are maintained throughout the process.

Finally, if you’re uncertain about the amount required, always err on the side of caution, especially when initializing the program by doing multiple small applications versus one large dose. Too much could cause damage instead of the beneficial effects desired, thus potentially costing more money in the long run than savings made up front due to overuse alone.

Phosphorus and Its Role in a New Lawn

Phosphorus and Its Role in a New Lawn
You’re in the right place to get your lawn off on the right foot; phosphorus is an essential nutrient for new grass seed and can be found in starter fertilizer with a ratio of 21-22-4 nitrogen, phosphorus, and potassium respectively.

A soil test should be conducted before applying any type of fertilizer, as it will determine what levels each nutrient needs to be at. If deficiencies are found in one or more areas, then you can choose a product with higher levels of those nutrients, such as Scotts Turf Builder Starter Food for New Grass, which contains all three major macronutrients: nitrogen, phosphorus, and potassium.

Alternatively, organic fertilizers like Purely Organic Lawn Food may also provide adequate nutrition while avoiding harsh chemicals.

As far as timing goes, early spring is usually best, as this allows enough time for plants to develop before extreme temperatures hit during summer months. If needed, applications every two months throughout late spring and early fall should suffice, depending on your soil type’s water table level and other factors related to lawn care maintenance, such as aeration/dethatching.

To ensure long-term success when starting a new lawn, it’s important to not just look at current results, but plan ahead by finding out exactly what your area requires, so you don’t have to start from scratch again next season due to incorrect fertilization ratios or poor quality products used previously.

Nitrogen, Organic Matter, and a New Lawn

Nitrogen, Organic Matter, and a New Lawn
To get the lushest, healthiest new lawn possible, use a nitrogen-rich fertilizer and add organic matter to your soil. Nitrogen is essential for grass growth as it helps in photosynthesis and increases root development.

Adding compost will help improve soil structure by increasing water depth and drainage while providing additional nutrients for plants. Soil testing should be done before adding any type of fertilizer so you can determine what types are best suited for your grass varieties.

Fertilizers with higher ratios, such as Jonathan Green 12-18-8, are ideal because they provide both immediate results and slow release over time, which prevents toxic algae from forming due to excessive nutrient levels or weed germination due to too much nitrogen in the system.

Organic fertilizers, like Purely Organic Lawn Food or Milorganite, contain no synthetic chemicals, manure, or smelly biosolids, making them safer on turfgrass yet still effective at improving overall soil health without burning roots when applied correctly according to directions on the package label.

For homeowners who want beautiful green lawns without all of the guesswork, MySoil’s professional soil test kit provides tailored organic and synthetic recommendations based on their individual needs.

Frequently Asked Questions (FAQs)

What is the difference between starter fertilizer and regular fertilizer?

Starter fertilizer is high in nitrogen and phosphorus, while regular fertilizer typically contains a balanced ratio of all three major nutrients. It’s essential to use the right type for new grass seed as it helps create lush, green growth quicker than unfed lawns.

Can I use the same fertilizer for both new and established grass?

For both new and established grass, use a starter fertilizer that is high in nitrogen and phosphorus. Try Scotts Turf Builder Starter Food or Greenview 10-18-10 NPK for a thick, lush lawn. Opt for Jonathan Green Lawn Fertilizer if seeding or sodding to improve germination speed.

Lesco Professional Fertilizer 12000sqft also works wonders! Plus, get accurate soil amendments with MySoil Soil Test Kit or apply Organic Lawn Fertilizer from Purely Organic Products LLC. Lastly, Milorganite Nitrogen Plant Food offers long-term benefits without burning your lawn.

What are the benefits of using organic fertilizer on a new lawn?

Using organic fertilizer on a new lawn can give you lush, green grass without harsh chemicals. It provides essential nutrients for growth and helps your lawn stay healthy in the long term.

How often should I fertilize my new grass?

Fertilize your new grass 6 to 8 weeks after seeding, then again in fall with high-potassium fertilizer. Apply regular nitrogen-rich fertilizer when the grass is green and a thin layer of compost every two years.

Is there any difference between fertilizing warm-season grasses and cool-season grasses?

Yes, there is a difference. Warm-season grasses should be fertilized late spring while cool-season grasses should be done in fall. Use starter fertilizer high in nitrogen and phosphorus for best results; apply regular nitrogen-rich fertilizer when the grass is green too.


When it comes to fertilizing a new grass seed, no other option comes close to the luxurious, lush lawns that can be achieved with the best fertilizer. From Scotts Turf Builder Starter to Milorganite Nitrogen Fertilizer Plant Food, these top-tier fertilizers provide the ideal ratio of nutrients to help new grass grow thicker, faster, and greener.

What’s more, these powerful fertilizers come with a variety of benefits, such as slow-release nitrogen for up to 8 weeks, providing immediate and time-released feeding, and organic formulas to meet town and municipality regulations.

A MySoil Soil Test Kit is also a great resource to ensure you’re getting the most out of your new lawn.

Avatar for Mutasim Sweileh

Mutasim Sweileh

Mutasim is a published author and software engineer and agriculture expert from the US. To date, he has helped thousands of people make their yards lush and thick.