If you're a homeowner with a lawn, you know how important it is to keep it healthy and green. One of the most effective ways to do this is by using slow-release fertilizers. These types of fertilizers release nutrients over an extended period, which helps to promote healthy growth and reduce the risk of burning your grass. But with so many options on the market, how do you know which one to choose?
To help you out, we've put together a short guide on the key points to consider when looking for the best slow-release fertilizer for your lawn. First, you'll want to consider the nutrient content of the fertilizer. Look for a fertilizer that has a balanced ratio of nitrogen, phosphorus, and potassium, as well as other essential micronutrients.
Next, you'll want to think about the release rate of the fertilizer. Different slow-release fertilizers have different release rates, so you'll want to choose one that matches the needs of your lawn. You'll also want to consider the type of fertilizer, whether it's organic or synthetic, and the overall quality of the product.
Finally, you'll want to think about the cost and ease of use of the fertilizer. Some slow-release fertilizers require more frequent applications than others, so you'll want to choose one that fits your budget and lifestyle.
By keeping these key points in mind, you'll be able to find the best slow-release fertilizer for your lawn and keep your grass looking healthy and green all season long.
10 Best Slow Release Fertilizer For Lawns
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1. Slow-Release Lawn Fertilizer, 25-5-10, 25kg Bag.
The Slow Release Granular Lawn Fertilizer is a professional-grade product that provides a slow and long-term feeding for residential turf, parks, sports fields, and commercial properties. The fertilizer is a mixture of high-quality turf grade nutrients that offer up to 110 days of fertility. It improves soil structure and the use of water and nutrients, while providing a greener and thicker lawn.
This advanced nutrient fertilizer is a slow-release fertilizer that provides gradual feeding throughout the season. The slow-release mechanism ensures that the nutrients are released over time, providing a consistent and long-lasting feeding solution. This feature makes it an ideal choice for those who want to keep their lawn healthy and green throughout the year.
The Slow Release Granular Lawn Fertilizer is a blend of 25-5-10, which means that it contains 25% nitrogen, 5% phosphorus, and 10% potassium. Furthermore, the fertilizer has sulphate of potash, which enhances the levels of sulphur and potassium. This combination of nutrients is essential for the growth and development of grass roots, stems, and leaves.
The product comes in a 25kg (55lb) bag, which is sufficient for treating large areas of residential turf, parks, sports fields, and commercial properties. The bag has clear instructions on how to apply the fertilizer, making it easy for homeowners and landscapers to use.
One of the significant advantages of using the Slow Release Granular Lawn Fertilizer is that it provides a natural and safe form of sulphur and potassium. The sulphate of potash used in the fertilizer is a natural source of potassium and sulphur, making it an environmentally friendly option.
In summary, the Slow Release Granular Lawn Fertilizer is a professional-grade product that provides a slow and long-term feeding solution for residential turf, parks, sports fields, and commercial properties. It contains a mixture of high-quality turf grade nutrients that offer up to 110 days of fertility, improves soil structure, and provides a greener and thicker lawn. The product's slow-release mechanism ensures that the nutrients are released gradually, making it an ideal choice for those who want to keep their lawn healthy and green throughout the year. Additionally, the fertilizer has a natural and safe form of sulphur and potassium, making it an environmentally friendly option.
2. Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags)
Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) is a highly effective and organic fertilizer that is made up of heat-dried microbes. This all-purpose fertilizer is perfect for use on lawns, shrubs, trees, flowers, vegetables, golf courses, and as a seed carrier. It is a slow-release nitrogen fertilizer that can be applied at any time during the growing season and is suitable for any climate.
The unique composition of Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) makes it stand out from other fertilizers on the market. It is made from recycled organic matter, which is then dried and granulated to create a consistent, nutrient-rich product. The microbes in the fertilizer break down the organic matter and release the nutrients slowly, ensuring that your plants receive a steady supply of nutrients over time.
One of the best features of Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) is that it is very easy to use. The granular form of the fertilizer makes it easy to spread evenly over your lawn or garden, and it can be applied using a spreader or by hand. The slow-release formula means that you don't have to worry about over-fertilizing your plants, which can be damaging to their growth.
Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) is also an environmentally friendly choice. It is made from recycled organic matter, which reduces waste and helps to promote sustainability. The slow-release formula also means that less fertilizer is needed overall, which can help to reduce the amount of fertilizer runoff that can pollute waterways.
This fertilizer is suitable for use in a wide range of climates and can be used on a variety of plants. It is perfect for use on lawns, providing a slow-release source of nitrogen that can help to promote healthy growth and green color. It is also great for use on shrubs, trees, and flowers, providing a steady supply of nutrients to promote healthy growth and vibrant blooms.
In addition, Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) can be used as a seed carrier. Simply mix the fertilizer with your seeds before planting to provide your plants with a nutritious start. This can help to promote healthy growth from the very beginning, leading to stronger, more resilient plants.
In conclusion, Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) is an excellent choice for anyone looking for an organic and effective fertilizer. Its slow-release formula, easy application, and environmentally friendly composition make it a top choice for gardeners and landscapers alike. Whether you're looking to promote healthy growth in your lawn, shrubs, trees, or flowers, Milorganite Slow-Release Nitrogen Fertilizer, 32-Pound – (4 Bags) is a great choice.
3. Ecoscraps Slow-Release Fertilizer: Recycled Nutrients, Organic, Covers 2,500 Sq. Ft., 45 Lbs.
EcoScraps Slow-Release Fertilizer is a premium-quality fertilizer that provides extended feeding and promotes rich, vibrant greening of your lawn. This fertilizer is made from organic matter and recycled nutrients that would otherwise be wasted in the water reclamation process. As a result, it is an eco-friendly alternative to traditional fertilizers.
EcoScraps Slow-Release Fertilizer is designed to nourish your lawn and other landscaped areas in your yard, including trees, shrubs, vegetables, annuals, and perennials. It is a versatile fertilizer that can be used for various applications.
One of the key benefits of EcoScraps Slow-Release Fertilizer is its slow-release formula, which provides long-lasting feeding for your lawn and plants. This means that you don't need to apply the fertilizer as frequently as you would with other fertilizers, which saves you time and money in the long run.
Another benefit of this fertilizer is that it is designed not to burn your lawn when used as directed. This is a common problem with other fertilizers that can damage your lawn and plants if not applied properly. EcoScraps Slow-Release Fertilizer, on the other hand, is formulated to be gentle on your lawn and plants while still providing the necessary nutrients for growth.
EcoScraps Slow-Release Fertilizer comes in a 45-pound bag that can cover up to 2,500 square feet of lawn or landscaped area. This makes it an affordable and cost-effective option for homeowners who want to maintain a healthy and vibrant lawn.
Overall, EcoScraps Slow-Release Fertilizer is an excellent choice for homeowners who want to promote healthy lawn and plant growth while also being environmentally conscious. Its eco-friendly formula, slow-release design, and gentle application make it an ideal fertilizer for all types of residential landscaping needs.
4. 18-3-6 All Purpose Liquid Fertilizer & Mirconutrients (50% Slow Release Nitrogen) (32 Oz.)
Introducing the 18-3-6 All Purpose Liquid Fertilizer & Micronutrients, a highly concentrated fertilizer designed to be used throughout the growing season. This product provides readily available nutrients and extended, long-lasting nitrogen with 50% slow-release nitrogen (SRN). The bonus is that it also contains micronutrients that aid in plant growth, aesthetic appeal, and overall plant health.
The 18-3-6 All Purpose Liquid Fertilizer & Micronutrients is ideal for use on ornamental plants as well as turf. For ornamental plants, simply mix 1-2 ounces of fertilizer to 1 gallon of water and water plants generously. This should be done once every two weeks. For turf, use 3 ounces of fertilizer for every 1000 square feet. Mix in a spray tank at a ratio of 1-3 ounces per gallon of water. Fertilize once every 2-4 weeks.
The guaranteed analysis of the 18-3-6 All Purpose Liquid Fertilizer & Micronutrients is as follows: Total Nitrogen (N) 18%, Available Phosphoric Acid (P2O5) 3%, Soluble Potash (K2O) 6%, Copper (Cu) .05%, Iron (Fe) .1%, Manganese (Mn) .05%, and Zinc (Zn) .05%.
The packaging of the 18-3-6 All Purpose Liquid Fertilizer & Micronutrients comes in an easy measure and pour bottle. This allows the end-user to measure and pour a specific dosage by simply squeezing the bottle. The 8oz, 16oz, and 32oz quantities are available.
In summary, the 18-3-6 All Purpose Liquid Fertilizer & Micronutrients is a versatile, high-quality fertilizer that provides extended, long-lasting nitrogen and essential micronutrients. Its ease of use and guaranteed analysis makes it an excellent choice for both ornamental plants and turf.
5. Milorganite 32 Lb. Slow-Release Nitrogen Fertilizer
Milorganite 32 lb. Slow-Release Nitrogen Fertilizer is a top-quality product that has been designed to provide eco-friendly and effective solutions for your lawn and garden care. This product is a slow-release fertilizer that can feed your plants for up to 3 months, providing them with the essential nutrients they need to thrive.
One of the key benefits of this product is that it aids in root development. Roots are the foundation of any plant, and by promoting healthy root growth, Milorganite Slow-Release Nitrogen Fertilizer helps to ensure that your plants remain strong and healthy. This is particularly important during times of stress, such as drought or extreme temperatures.
Another benefit of Milorganite Slow-Release Nitrogen Fertilizer is that it contains non-staining iron. This means that you can apply it to your lawn or garden without worrying about unsightly rust stains on your concrete or other surfaces. The non-staining iron also provides your plants with an extra boost of nutrition, helping them to grow stronger and more vibrant.
The fertilizer analysis for Milorganite Slow-Release Nitrogen Fertilizer is 6-4-0. This means that it contains 6% nitrogen, 4% phosphorus, and 0% potassium. Nitrogen is essential for plant growth and is responsible for promoting strong, healthy foliage. Phosphorus is important for root growth and helps plants to develop strong, healthy root systems. Potassium is important for overall plant health and helps to promote disease resistance, drought tolerance, and other important benefits.
In summary, Milorganite 32 lb. Slow-Release Nitrogen Fertilizer is an excellent choice for anyone who wants to promote healthy plant growth in an eco-friendly and effective way. By providing essential nutrients and promoting strong root development, this product helps to ensure that your plants remain strong and healthy. Additionally, the non-staining iron and slow-release formula make it easy to apply and long-lasting, providing you with the peace of mind that comes from knowing that your plants are getting the nutrition they need to thrive.
6. The Andersons Pgf Balanced 10-10-10 Fertilizer With Micronutrients And 2% Iron (5,000 Sq Ft)
The Andersons PGF Balanced 10-10-10 Fertilizer with Micronutrients and 2% Iron is a professional-grade fertilizer that provides essential nutrients to your lawn, garden, and flower beds. With an extremely fine particle size, this fertilizer ensures that every square inch of your lawn and garden receives the same amount of nutrients for optimal growth.
This fertilizer is ideal for use during the spring and fall growing seasons, but can be used at any time. It contains all quick-release nitrogen to provide immediate nutrition to your plants. Additionally, it includes micronutrients and 2% iron for extra-deep greening. However, it is important to blow off sidewalks and driveways after application to avoid staining.
Each bag of The Andersons PGF Balanced 10-10-10 Fertilizer with Micronutrients and 2% Iron provides up to 5,000 square feet of coverage, making it a cost-effective solution for larger lawns and gardens. However, it is important to note that this product is not for sale in California.
This fertilizer is designed to provide your plants with the essential nutrients they need to thrive. Its balanced formula ensures that your plants receive a healthy blend of nitrogen, phosphorus, and potassium, as well as micronutrients and iron. This helps to promote healthy growth, deep greening, and overall plant health.
The Andersons PGF Balanced 10-10-10 Fertilizer with Micronutrients and 2% Iron is easy to apply and can be used with any spreader. Simply apply it evenly over your lawn or garden and water it in for best results. It is also important to follow the product instructions carefully to ensure that you do not over-apply the fertilizer.
Overall, The Andersons PGF Balanced 10-10-10 Fertilizer with Micronutrients and 2% Iron is a high-quality fertilizer that provides essential nutrients to your plants. Its fine particle size ensures even distribution, and its balanced formula promotes healthy growth and deep greening. If you are looking for a professional-grade fertilizer that delivers great results, this product is definitely worth considering.
7. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 8 Lb.
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is a premium quality plant food that provides long-lasting nourishment to plants. Osmocote is a trusted name in the world of gardening and has been providing effective plant food for decades. This 8 lb. pack of plant food is perfect for both indoor and outdoor plants.
The Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is formulated with the best quality ingredients that provide a balanced blend of nutrients to plants. The homogeneous granules contain 15-9-12 NPK plus micro and secondary nutrients that feed plants for up to 6 full months. This means that you don't have to worry about fertilizing your plants every few weeks.
The secret of Osmocote's effectiveness lies in its slow-release formula. Soil temperature controls how Osmocote releases its nutrients, ensuring that the nutrients are taken up by the plant in a natural and harmonious way. This ensures that plants receive the right amount of nutrients at the right time, promoting healthy growth and development.
Using Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is easy. Each pound of plant food covers 37.5 sq. ft. (approx. 6’ x 6’) and works best when mixed into 1 – 3 inches of soil. The package includes an applicator to make the process even easier. In containers, mix 1 pound with 19 gallons of potting soil for optimal results.
One of the best things about Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is that it is mistake-proof. Even if over-applied up to 3x the recommended rate, Osmocote does not ‘burn’ the plant. This means that you can use it with confidence, knowing that your plants will receive the nutrients they need without any negative side effects.
Osmocote is so confident in the performance of their product that they offer a satisfaction guarantee. If you are unsatisfied with the product, you can return the empty package to The Scotts Company for a full refund.
In summary, Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is a high-quality plant food that provides long-lasting nourishment to plants. Its slow-release formula ensures that plants receive the right amount of nutrients at the right time, promoting healthy growth and development. Using it is easy, and it is mistake-proof, making it perfect for both novice and experienced gardeners.
Best Slow Release Fertilizer For Lawns FAQs
Are there any natural or organic slow release fertilizers that are effective for promoting lawn health?
Yes, there are several natural and organic slow-release fertilizers that can effectively promote lawn health. These types of fertilizers gradually release nutrients over time, providing a steady supply of essential elements to the grass. Examples of natural and organic slow-release fertilizers include compost, bone meal, blood meal, fish emulsion, and worm castings. These fertilizers are made from natural ingredients and are free from synthetic chemicals, making them safe for the environment and for pets and children that may come into contact with the lawn. Additionally, these types of fertilizers can improve soil structure and microbial activity, leading to healthier and more resilient grass. When using natural or organic slow-release fertilizers, it is important to follow application instructions carefully and to avoid over-fertilization, as this can lead to nutrient runoff and pollution.
How long do slow release fertilizers typically last before needing to be reapplied to a lawn?
Slow-release fertilizers are designed to release nutrients over an extended period, which means they can last for several months before requiring reapplication. The length of time slow-release fertilizers last depends on various factors such as soil conditions, weather patterns, and grass type. Typically, slow-release fertilizers can last anywhere from 8-12 weeks, depending on the product's formulation. Some slow-release fertilizers can last up to six months, making them suitable for fall applications. However, it's essential to ensure you apply the correct amount of fertilizer to avoid over-fertilizing, which can lead to lawn damage. It's also crucial to follow the manufacturer's instructions and apply the fertilizer at the correct time when the grass is actively growing. Overall, slow-release fertilizers are an excellent choice for lawn care as they provide steady nutrient release, resulting in a healthier and more lush lawn.
What are the most important factors to consider when choosing a slow release fertilizer for lawns?
When choosing a slow-release fertilizer for lawns, several factors need to be considered. Firstly, the nutrient contents of the fertilizer, including nitrogen, phosphorus, and potassium, should be balanced and appropriate for the specific lawn type. Secondly, the release rate of the fertilizer should be considered, as slow-release fertilizers release nutrients over a longer period, reducing the frequency of application. Thirdly, the soil type and pH level of the lawn should be considered to ensure the fertilizer's effectiveness. Additionally, the fertilizer's composition should avoid excessive salt content, which can damage the lawn's root system. Lastly, the cost and availability of the fertilizer should also be considered, along with the brand's reputation and customer reviews. Considering these factors will help in selecting a slow-release fertilizer that promotes healthy and vibrant lawns.
What is the ideal application rate for slow release fertilizers on lawns, and how does this vary depending on factors like soil type and climate?
The ideal application rate for slow-release fertilizers on lawns typically ranges from 1 to 1.5 pounds of nitrogen per 1000 square feet. However, this rate can vary depending on factors such as soil type and climate. For example, sandy soils may require a lower application rate due to their tendency to leach nutrients, while clay soils may require a higher application rate to ensure adequate nutrient availability. In terms of climate, areas with cooler temperatures may require less fertilizer as plant growth is slower, while warmer areas may require more to support faster growth. It is important to consult with a professional or refer to the product label for specific application rates and instructions, as over-fertilizing can lead to nutrient runoff and environmental damage.
Which slow release fertilizer brands are known for their effectiveness in promoting healthy lawn growth?
There are several slow-release fertilizer brands that are known for their effectiveness in promoting healthy lawn growth. One of the most popular brands is Scotts Turf Builder, which contains nitrogen, phosphorus, and potassium to promote strong root growth and overall lawn health. Another well-regarded brand is Milorganite, which is made from recycled organic materials and provides a slow-release source of nitrogen that is gentle on the environment. Additionally, Espoma Organic Lawn Food is a slow-release fertilizer that is made from natural ingredients and contains beneficial microbes to promote healthy soil and strong, green grass. Finally, the GreenView Fairway Formula Fertilizer is a slow-release granular fertilizer that contains iron and other micronutrients to help promote lush, green grass. Overall, these slow-release fertilizer brands are all effective options for promoting healthy lawn growth and maintaining a beautiful, vibrant lawn.