The 19-19-19 fertilizer, sometimes known as “triple 19,” is a typical all-purpose garden fertilizer that may be used for various purposes, but it is not the best fertilizer for your grass.
On established lawns, use a high-nitrogen fertilizer, and on fresh sod lawns and seedlings, use a high-phosphorus “lawn starter” fertilizer.
It’s not that 19-19-19 fertilizer for lawns is bad; it’s just better for vegetables and plants in the garden. Using specialist lawn fertilizers, you may promote grass growth more effectively and affordably.
In our guide, you can learn more about getting a healthier lawn with green foliage using the right fertilizer. By the end, you’ll see how to promote growth and use the right amount for your yard, garden, and vegetables. (Read Best Fertilizer For St Augustine Grass)
What Is The Use Of 19 19 19 Fertilizer?
19:19:19 is the most common fertilizer globally. NPK 19:19:19 fertilizers are 100% water-soluble and readily absorbed by plants, or you can use them as a foliar spray.
- Nitrogen (N): stimulates leaf and plant growth
- Phosphorous (P): Promotes root and shoot growth
- Potassium (K): Promotes flowering and fruiting and regulates water and nutrient circulation in plant cells.
Nutrient NPK 19:19:19 is suitable for all Crops, including grains, fruits, vegetables, orchards, and ornamentals.
Here is a more in-depth of what the numbers refer to in this fertilizer:
The NPK stands for Nitrogen, Phosphorus, and Potassium, the three macronutrients needed by plants.
For example, nitrogen gives plants energy, phosphorus helps them grow strong roots, and potassium helps them absorb additional nutrients like iron and zinc.
The greater the number, the more concentrated the nutrients.
For example, compared to a 10-10-10 fertilizer, it has fewer nutrients than a 19-19-19 fertilizer. But that doesn’t mean it’s inefficient.
Remember that based on your lawn and garden’s NPK needs, you will need different types of fertilizer with varying NPK values.
Is Triple 19 Fertilizer Good For Lawns?
The percentages of nitrogen, phosphorus, and potassium in the fertilizer bag are represented by the figures (19-19-19). 19-19-19 is 19 percent nitrogen, 19 percent phosphorus, and 19 percent potassium by weight in a bag.
- Nitrogen content is the first number. This encourages the growth of grass blades.
- Phosphorus content is the second number. It promotes the formation of roots in young grass.
- Potassium content is the third number—this vitamin aids in the resistance of grass to disease.
Turfgrass has unique requirements. The high phosphorus content of 19-19-19 is beneficial to garden plants since it aids in the formation of fruits and flowers. Because grass does not produce fruits or flowers, it only requires phosphorus while it is young, as this nutrient aids in the establishment of new grass roots.
To get the best results, lawn fertilizers are usually higher in nitrogen than in any other nutrient.
Phosphorus is primarily required for grass starting fertilizers. Compared to nitrogen, grass only requires a negligible amount of potassium. (Read What Is The Best Fertilizer For Centipede Grass)
Nitrogen is essential for lawn growth. If you want thick, lush green grass, choose a fertilizer with a higher Nitrogen content than the other nutrients. Some lawn fertilizers, for example, have an NPK of 32-0-4. This shows it comprises 32% nitrogen, 0% phosphorus, and 4% potassium.
Best Fertilizer NPK for New Lawns
Starting a fresh lawn from seed or sod requires a starter fertilizer. In a lawn starting fertilizer NPK, the second number (representing phosphorus) should be the greatest. Nitrogen should be lower than oxygen. Potassium should be the lowest number.
- Nitrogen level should be below Phosphorus content.
- The highest nutrient should be phosphorus.
- Potassium is not required. 3. The smallest number.
- Fertilize your new grass with 24-25-4 fertilizer!
- If you give a new lawn a little more Phosphorus than Nitrogen, it will grow faster and be much healthier in the long run.
Best Fertilizer NPK for Established Lawns
Your grass doesn’t need starting fertilizer once it’s established and has been mowed 3–4 times. Established lawns require a lot of nitrogen; thus, the first figure in the NPK ratio should be high. Because the grass contains roots, the second value (Phosphorus) should be the lowest. Potassium should be less than half of the nitrogen.
- Use a 32-0-4 fertilizer on cool-season lawns in the north.
- Apply 34-4-10 fertilizer to warm-season grass lawns in the south.
Potassium helps warm-season grasses tolerate drought, which is rare in northern latitudes. Always start with nitrogen for your established lawn.
What Is The Price Of 19 19 19 Fertilizer?
If shopping for fertilizer, a bag of 19-19-19 can cost around $25 per sack.
- A 50-pound bag of fertilizer will cover 9,500 square feet!
- Fertilizer for use as a starter
- It’s been touted as a “cure-all.” Fertilizer contains all the nutrients for pasture or vegetables, flowers, and more.
- It’s a winterizer and can help stop any disease.
- It can thicken and strengthen turf.
- A 19-19-19 formula can be used throughout the entire season!
How Do You Spray a NPK 19 19 19?
It is always recommended to have a soil test to learn the nutrients your garden or plants need.
You may ask, is 19-19-19 fertilizer suitable for vegetable gardens? You will find that for vegetables, this fertilizer is a great option.
How to Use 19-19-19 fertilizer?
Water your lawn a few days before fertilizing it since this will help the soil preparation for the fertilizer. Then, section by section, apply the fertilizer.
Most fertilizers come with instructions on using them, so please read them carefully because the instructions may differ based on the brand or type of fertilizer. Many factors come into play while fertilizing your lawn and garden; thus, the methods used may differ depending on the state of your soil.
However, the most common way is to apply fertilizer to your lawn and garden in the right amount. Also, if you’re going to use a liquid fertilizer, make sure you apply it evenly.
If you have a large lawn or backyard, you can use granular fertilizer, which is more effective for larger areas. (Read Is 15-15-15 Fertilizer Good For Lawns)
You can apply fertilizer directly to the soil while fertilizing your plants, taking care not to over-fertilize. You can use an organic fertilizer if you have little experience with fertilizer because you’ll have more room for error.
Fertilizing your lawn is one of the most important things you can do to maintain a healthy lawn or garden. This will make the grass or garden more resistant to the elements in the summer and winter.
It’s critical to examine the conditions and what you’ll be using fertilizer for when deciding when to apply it. You may fertilize your lawn once a year, but sometimes, three times a year is preferable for a healthy lawn or garden.
Early spring, summer, and fall, for example, are the best times when to apply 19-19-19 fertilizer.
Various producers produce Triple 19 fertilizer, which comes in liquid and granular forms. Liquid fertilizers are simple and can be applied in granular form or sprayed around trees and shrubs. If you’re treating your entire lawn, they’re also simple to spread.
Granular starter fertilizer is simple to apply. They can be scattered about your plants on the ground and then watered in.