Best Slow Release Fertilizer 2021 – The Practical Guides

Slow Release Fertilizer (SRF) is necessary when it comes to maintaining your plants. It has the feature to provide a steady amount of nutrients to the plants for a long period of time. As a result, it prevents the risk of fertilizer burn while ensuring the safety of your plants.

What is the best slow release fertilizer? In order to secure the best slow release fertilizer, we would highly recommend you to choose- easy applicable, long-lasting, highly-effective, non-burning and harmless slow release fertilizer. While maintaining water retention, temperature, pH and other necessities of the soil.

best slow release fertilizer

So are you curious about its features? Don’t worry. We are going to talk about it now. With no more delay, let’s go and check out the products’ features.

What Is A Slow Release Fertilizer?

If you have seen any plastic resin with any garden soil, then there’s a high chance that it is slow release fertilizer.

What is a slow release fertilizer? Slow fertilizer is a substance which provides nutrients to the plants for a long period of time. Moreover, it can prevent any fertilizer burn and leaching into the water as well; staying in the soil longer.

How Do You Identify Slow Release Fertilizer?

If you see any soil which can maintain the plant’s nutrients for a long term. Then definitely it has the slow release fertilizer.

How do you identify slow release fertilizer? Identifying proper slow release fertilizer can be confusing. To make it easy, here’s something you should know. Slow release fertilizer’s function can vary depending on soil moisture, temperature and pH. So, by proper observation considering these factors, you can distinguish the proper one.

Best Slow Release Fertilizer – Buyer’s Guide

As a plant lover, you would always want to ensure the proper and fast growth of your plant. And in order to secure that you need to enrich the performance of your soil. For that you need the best slow release fertilizer. This would help you to meet your desire. In order to pick the proper one, here you need to make few considerations:


Your product should make sure that it doesn’t cause any injury to your plant or its roots; dehydration. It should release its nutrients gradually, not at once.

Eliminating Leaching:

It should prevent your nutrients leaching to the water or anywhere else. It should be able to stay on your soil for a long period of time.

Effective Rate:

Just because it’s slow release doesn’t mean it will be less effective. It should be effective enough to consume less amount of time for the plant to grow.


The product must feed your plants for a long term. At least 3 months, so you won’t have to apply it regularly.

All Purpose:

It should be applicable for all types of plants. Thus, when it is applied all plants will get proper amounts of nutrients with no damage.

Frequently Asked Questions

Here we have answered to some commonly asked questions:

When do you apply slow release fertilizer?
It is recommended to apply in the morning, in order to take the advantage of cool air, temperature and sunlight.
Do you have to water after fertilizing?
Yes, you have to water a bit after fertilizing to set the fertilizer into the soil.
How long willthe slow release fertilizer take to work?
It will take at least 3-10 weeks to start its performance.
How often do you have to apply slow release fertilizer?
Generally, it is suggested to re-apply after 6 to 7 weeks. But in the growing season, you can apply after 2 weeks.
Can slow release fertilizer cause plant burning?
No, it is beneficial because it prevents plant burning, since it provides a steady amount of nutrients to the plants.

Wrapping Up

So, this is all you should keep in mind before purchasing any products. Remember, more is not always better. To ensure the health of your plant, provide them with the most suitable mineral; maintaining proper amounts.

We believe the best slow release fertilizer will be able to help you out to face these challenges. We hope you have found this article helpful and get your desired product. Thank you!