If you’re looking for a lush, green lawn, Kentucky bluegrass is a fantastic choice. However, achieving and maintaining that perfect lawn requires more than just regular watering and mowing. Fertilizing your lawn is essential to promote healthy growth and prevent disease or pests from taking over.
With so many fertilizer options on the market, it can be overwhelming to choose the right one for your Kentucky bluegrass. That’s why we’ve done the research and compiled a list of the 7 best fertilizers for Kentucky bluegrass.
Top 7 Best Fertilizer for Kentucky Bluegrass on Amazon
| Image | Product | Features | Price |
|---|---|---|---|
 | Nitrogen : 14 % | $98.88 | |
 | Nitrogen : 16 % | $45.88 | |
 | Nitrogen : 24 % | $50.81 | |
 | Nitrogen : 10 % | $92.40 | |
 | Nitrogen : 16 % | $23.77 | |
 | Nitrogen : 20 % | $97.77 | |
 | Nitrogen : 18 % | $48.76 |
From slow-release to organic options, we’ve got you covered. Keep reading to learn about the best fertilizers to help you achieve a beautiful, healthy lawn that will be the envy of the neighborhood.
1. Best Fertilizer for Kentucky Bluegrass
Super Juice All in One Lawn Fertilizer
- Brand : The Andersons
- Nitrogen : 14 %
- Phosphorus : 2 %
- Potash : 4 %
- Item Form : Granular
- Item Weight : 13.6 Pounds
Super Juice All in One Soluble Supplement Lawn Fertilizer is the best fertilizer for Kentucky Bluegrass. This new improved formula includes 4% Iron and is designed to be used as a supplement to your current fertilizer program.
The unique dry mix formula can be simply added to water and used with a hose-end sprayer to apply to your lawn. Super Juice is the first all-in-one, complete, balanced, lawn fertilizer that comes in a dry mix, with no waste products or bio waste.
The new and improved Super Juice formula contains Humic acid and micronutrients, including 4% Iron, which helps in promoting soil health. It enhances fertilizer applications by increasing the plant’s ability to utilize nutrients, making it more effective.
The formula is packed with micronutrients such as magnesium, sulfur, copper, manganese, zinc and 4% iron that ensure your lawn gets all the nutrients it needs.
Super Juice All in One Soluble Supplement Lawn Fertilizer is incredibly effective and delivers quick results. When fast results are needed, such as during the spring months, Super Juice can be used to provide an extra boost of nutrients.
The spray formula allows the nutrients to be absorbed into the grass via foliar uptake in as little as 1-4 hours, providing quick and efficient results. One bag of Super Juice can treat up to one acre of lawn or 43,560 sq ft of lawn at full concentration rate.
Super Juice All in One Soluble Supplement Lawn Fertilizer is the best fertilizer for new kentucky bluegrass. With its new and improved formula containing micronutrients and 4% Iron, it promotes soil health and delivers quick results.
Its spray formula ensures that every blade of grass is treated with mild dosages of nutrients, making it incredibly effective. Additionally, one bag of Super Juice can treat up to one acre of lawn or 43,560 sq ft of lawn at a full concentration rate, making it cost-effective and efficient.
2. Best Summer Fertilizer for Kentucky Bluegrass
Andersons Professional PGF 16-4-8 Fertilizer
- Brand : The Andersons
- Nitrogen : 16 %
- Phosphorus : 4 %
- Potash : 8 %
- Item Form : Granules
- Item Weight : 18 Pounds
If you’re looking for a professional-grade fertilizer for your Kentucky Bluegrass lawn, The Andersons Professional PGF Complete 16-4-8 Fertilizer with 7% Humic DG is a great option. This all-in-one fertilizer is formulated with a 4-1-2 ratio of nitrogen, phosphorus, and potassium, which is ideal for regular maintenance applications.
The fertilizer also contains high amounts of iron and other micronutrients, which help promote a rich, green lawn in as little as 6-14 days with proper irrigation or rainfall.
One of the key benefits of using PGF Complete 16-4-8 is its slow-release nitrogen, which provides your turf with up to 8 weeks of continuous feeding. This means you can apply the fertilizer once every 6-8 weeks and still see great results. Additionally, PGF Complete 16-4-8 is safe for use on all turf types, making it a versatile choice for any lawn.
Another great feature of this fertilizer is Andersons’ patented DG Technology, which allows nutrients to reach the root zone more quickly. The fertilizer also has an extremely small particle size, which ensures a more even distribution of nutrients and doubles the coverage compared to other fertilizers.
PGF Complete 16-4-8 contains Humic DG, an organic, carbon-based compound that helps enrich your soil and allows plants to better process nutrients. With all these benefits, The Andersons Professional PGF Complete 16-4-8 Fertilizer with 7% Humic DG best lawn fertilizer for Kentucky bluegrass to maintain a healthy, vibrant lawn all summer long.
3. Best Fall Fertilizer For Kentucky Bluegrass
Marathon 24-2-4 All Season Fertilizer
- Brand : Marathon Lawns
- Nitrogen : 24 %
- Phosphorus : 2 %
- Potash : 4 %
- Item Form : Granules
- Item Weight : 1 pounds
Marathon 24-2-4 All Season Fertilizer Bag is the perfect fertilizer for Kentucky bluegrass during the fall season. This fertilizer is specially formulated for Marathon lawns and is nitrogen-rich, ensuring quick greening of your lawn.
Marathon 24-2-4 All Season Fertilizer Bag is a three-in-one product that uses three application rates: Quick Boost, Winter-high nitrate, and Maintenance, each serving a specific purpose.
The Quick Boost formula is designed to revive faded lawns with high nitrogen content. This formula provides the necessary nutrients to your lawn to promote quick growth and greenery. The Winter-high nitrate formula is perfect for yellowed lawns in cooler weather, as it helps to provide relief to the grass.
The Maintenance formula is used to maintain a perfect balance of nutrients throughout the year, keeping your lawn green and lush no matter the season.
The best part about Marathon 24-2-4 All Season Fertilizer Bag is that it requires no assembly. Simply apply the fertilizer according to the recommended application rate and water your lawn regularly.
With Marathon 24-2-4 All Season Fertilizer Bag, you can expect to see quick results as the nitrogen-rich formula works to promote growth and greenery in your Kentucky bluegrass lawn during the fall season.
4. Best Organic Fertilizer for Kentucky Bluegrass
Jonathan Green Organic Lawn Food
- Brand : Jonathan Green
- Nitrogen : 10 %
- Phosphorus : 0 %
- Potash : 1 %
- Coverage Area : 15000 sq. ft.
- Item Weight : 51 pounds
Jonathan Green Organic Lawn Food is a great option for those looking for an organic fertilizer for Kentucky bluegrass. This 51 lb bag can cover up to 15,000 sq. ft. with a fertilizer analysis of 10-0-1.
It is made up of 100% organic and complex lawn fertilizer, which is packed with excellent turf nutrients that provide gentle feeding for 8 to 10 weeks. It also contains iron, which is great for deep greening and for establishing new seedlings.
One of the best things about Jonathan Green Organic Lawn Food is that it is children and pet friendly. You can use it immediately after spreading, without having to worry about any harmful chemicals. It is recommended to use it in late spring, summer, or early fall when the application temperature range is between 65° and 85°F.
The organic approach to lawn care may take some patience, but the results are definitely worth it. Since it doesn’t contain fast-release synthetic ingredients, this fertilizer won’t burn the grass, and you won’t have to worry about any negative effects on the environment or your family’s health.
The easy-to-spread granules contain food-grade organics such as feather meal, soybean meal, molasses, and wheat middlings, making it an excellent choice for anyone looking for a natural lawn food option.
5. Best Spring Fertilizer For Kentucky Bluegrass
Advanced 16-4-8 Liquid Lawn Fertilizer
- Brand : Simple Lawn Solutions
- Nitrogen : 16 %
- Phosphorus : 4 %
- Potash : 8 %
- Item Form : Liquid
- Item Weight : 3 Pounds
The Advanced 16-4-8 Balanced NPK Lawn Food is a high-quality liquid fertilizer designed for use in the spring and summer months. This concentrated spray contains a balanced blend of essential macronutrients, including nitrogen, phosphorus, and potassium, as well as seaweed and fish for added nourishment.
This easy-to-use liquid fertilizer is made with pure, feed-grade ingredients that are ready to use in a convenient sprayer. It can be used on any grass type, including Kentucky bluegrass, Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, and Ryegrass.
The 16-4-8 Lawn Food is blended with 16% nitrogen, which encourages vigorous growth and the development of a dense, attractive lawn. It is also blended with 4% phosphorus, which enhances root development and vigorous plant growth in the early stages. Additionally, it contains 8% potassium, which helps enhance plant tolerance to extreme temperatures and drought while regulating the transfer of nutrients and water.
The added seaweed and fish emulsion provides rich organic matter to the soil for more effective lawn food and optimum nutrient uptake. This fertilizer is produced in the United States by a family-owned business with 25 years of experience in the commercial professional turf industry.
This Lawn Food is a great option for nourishing and maintaining your lawn. It helps enhance the green color of your grass and provides the necessary nutrients required by Kentucky Bluegrass. This fertilizer also promotes both vertical and lateral growth, while addressing any macronutrient deficiencies your lawn may have.
6. Best Winter Fertilizer For Kentucky Bluegrass
The Andersons Premium 20-27-5 Fertilizer
- Brand : Andersons
- Nitrogen : 20 %
- Phosphorus : 27 %
- Potash : 5 %
- Item Form : Granules
- Item Weight : 18 Pounds
The SeedRanch Lawn 24-2-11 Fertilizer is a top-rated winter fertilizer for Kentucky Bluegrass, boasting a comprehensive blend of essential nutrients that can keep your lawn looking lush and green even during the coldest months.
Although it was initially formulated for St. Augustine grass, this fertilizer is still highly effective for Kentucky Bluegrass, providing the necessary nutrients to keep your lawn healthy and vibrant. Its 6% iron content is particularly noteworthy, as it promotes rapid greening, especially in colder temperatures.
With a 50 lb bag that covers up to 12,000 sq. ft., this fertilizer is perfect for large lawns, making it a cost-effective solution for homeowners and landscapers alike. While it is recommended to apply in the spring to kickstart the greening of turf, its nutrient composition is ideal for promoting healthy growth throughout the winter season.
The SeedRanch Lawn 24-2-11 Fertilizer is a high-quality product that delivers exceptional results, making it an excellent choice for anyone looking to keep their Kentucky Bluegrass lawn healthy and beautiful all year round.
7. Best Slow Release Fertilizer for Kentucky Bluegrass
Nutricote 18-6-8 180 Day Time Release Fertilizer
- Brand : Nutricote
- Nitrogen : 18 %
- Phosphorus : 6 %
- Potash : 8 %
- Item Form : Granules
- Item Weight : 5 Pounds
The Nutricote 18-6-8 Total 180 Day Time Release Fertilizer (1, 5 lb.) is a slow release fertilizer that is suitable for Kentucky Bluegrass. It contains a well-balanced blend of N-P-K along with key micronutrients that cater to the needs of the plant throughout its growth cycle. This fertilizer is effective for both seedlings and mature plants and provides a steady supply of nitrogen to give your lawn a boost.
The Nutricote 18-6-8 Total 180 Day Time Release Fertilizer offers superior control and dependable nutrient release for the most effective feeding to grow strong and healthy plants. It can last for up to 180 days, making it a convenient and low-maintenance option for lawn care. The application process is also simple, with instructions provided on the package label.
While this fertilizer is marketed towards orchids, bromeliads, nursery, foliage, bedding plant, potted plants, and landscape plants, it is also a great choice for Kentucky Bluegrass. Its slow release formula ensures that your lawn receives a consistent and reliable source of nutrients, resulting in a healthier and more vibrant lawn.
Conclusion
Kentucky bluegrass is a popular turfgrass that requires proper fertilization for optimal growth and health. Choosing the best fertilizer for this grass depends on various factors such as soil type, climate, and nutrient needs. Based on our research provide a balanced blend of nutrients, promote healthy root development, and enhance the overall appearance of the grass. It is recommended to follow the instructions carefully and apply the fertilizers at the appropriate times to achieve the best results.
FAQs
What nutrients does Kentucky bluegrass need?
Kentucky bluegrass typically needs nitrogen, phosphorus, and potassium, as well as other micronutrients like iron and sulfur, for optimal growth and health.
How do you green up Kentucky bluegrass?
To green up Kentucky bluegrass, you can apply nitrogen-rich fertilizers, water the grass adequately, mow it regularly to the appropriate height, and control pests and diseases.
Why is my Kentucky bluegrass is turning yellow?
Kentucky bluegrass can turn yellow due to various reasons, including nutrient deficiencies, overwatering or underwatering, soil compaction, improper mowing height, pests or diseases, and excessive heat or cold.
Can you overwater Kentucky bluegrass ?
Yes, overwatering can harm Kentucky bluegrass as it can lead to root rot, shallow roots, and nutrient leaching.
It is recommended to water deeply but infrequently, allowing the soil to dry out slightly between waterings.
