19-19-19 Fertilizer: Ultimate Guide: How,Why & When to Use

19-19-19 Fertilizer: Guide To Using on Lawns, Gardens & More

Finding the finest fertilizer to use might be difficult with all the options available. NPK fertilizers are frequently used in gardening, therefore choosing the best mixture for your needs is crucial.

What is the purpose of 19-19-19 fertilizers? The ratios of nitrogen, phosphorus, and potassium in 19-19-19 fertilizers are much higher than those in many other fertilizers. They can be used for all plants, but they work especially well for fruiting plants since they boost disease resistance and maintain healthy soil.

Trees, vegetables, and flowers can all benefit from the protection and growth-promoting effects of 19-19-19 fertilizers. They are also utilized by some for lawns.

These fertilizers’ balanced nutrient content aids plants’ defense against widespread ailments.

We’ll discuss 19-19-19 fertilizers in this post and how to apply them to lawns, gardens, and other locations.

Guide to 19-19-19 Fertilizer

The development of a plant can be greatly influenced by the fertilizer used. Knowing what kind of fertilizer you’ll use for your plants is therefore essential. So let’s examine 19-19-19 fertilizers in more detail.

What Is 19-19-19 Fertilizer?

You can use the 19-19-19 fertilizer, also referred to as triple 19, on any kind of plant.

Despite the strange nomenclature, the numbers stand for the NPK ratio. NPK stands for nitrogen, phosphorus, and potassium.

According to the ratio, the fertilizer contains 19% each of nitrogen, phosphorous, and potassium. These components are the fundamental nutrients that all plants require in order to live and develop.

What Are the Ingredients in 19-19-19 Fertilizer?

Nitrogen, phosphorus, and potassium are all combined in Triple 19 fertilizer in a ratio of 19% each. Every nutrient has a role in the health of the plant in some way.

Nitrogen promotes the growth of grass and gives plants their brilliant green color. Phosphorus increases flowers and the development of roots in small-growing grasses.

The plant benefits from potassium’s promotion of disease resistance by staying healthy and avoiding illness.

What Plants Benefit From 19-19-19 Fertilizer?

Almost any plant can benefit from 19-19-19 fertilizers. Plants benefit from phosphorus by producing more flowers and fruit.

Consequently, this fertilizer would be extremely beneficial to plants and trees that need more phosphorus, like orange trees.

Vegetable crops can also benefit from the use of Triple 19 for improved growth, productivity, and development.

19-19-19 Fertilizer Benefits

The use of fertilizer with the Triple 19 number has many benefits. Due to its nutrients, it promotes disease resistance and helps crops grow more generally.

This kind of fertilizer gives your plants the nutrients they need if your soil is extremely low in quality.

Through the replacement of nutrients lost throughout each growing season, the triple 19 fertilizer can help prevent the deterioration of soil texture.

You won’t have to be concerned about excessive salt buildup, and your irrigation lines and nozzles shouldn’t clog either because the majority of triple 19 fertilizers have minimal salt contents.

When Is the Best Time To Apply 19-19-19 Fertilizer?

When you should apply the fertilizer is not predetermined. However, fertilizing your plants in the spring or fall is typically advised. If you like, you can even utilize it during both seasons.

You can utilize it at much any time of the day in the spring and fall because of how frigid it is. If you decide to fertilize throughout the summer, do so while the ground is dry and early in the evening.

19-19-19 Application Rates

There are differences in how quickly NPK 19-19-19 is used. The brand and the size of the area you wish to fertilize decide the rate of treatment.

In the foliar application method of fertilizing, fertilizer is sprayed directly onto the leaves. Foliar spray is advantageous to plants because it increases their nutrient and water uptake.

Apply 10 to 25 pounds per acre as a foliar treatment (this triple 14 is only intended for foliar usage). Dilute approximately 1 pound per gallon of water.

Though rates will vary based on the type, if you choose soil application, it should be about 5 pounds for every 1,000 square feet.

A 50-pound bag of fertilizer will typically cover 15,000 square feet on average.

To ascertain the precise application rate necessary, read the fertilizer’s instructions in advance.

How To Apply 19-19-19 Fertilizer

Applying 19-19-19 fertilizer is a straightforward procedure. There are three ways to apply the fertilizer. Raking is the first option, followed by using a spray and, finally, by broadcasting.


The processes are simple if you want to employ the raking strategy.

Start by adding the necessary amount of fertilizer close to the plant’s roots at the bottom. Then, using a hand rake, work the particles into the soil.


The procedure of spraying is likewise quite simple. Simply combining water and fertilizer is all that is required. On the packets of fertilizer, the amounts required for the mix are typically listed.

Use a sprayer to apply the mixture directly to the plants, soaking the foliage completely. A backpack sprayer is a fantastic choice if you plan to spray a lot of plants.

A backpack sprayer is essentially a tank that you wear over your back while using a spray wand to spray the plants. It can cover a lot of plant life.


Using this technique, you can rapidly and efficiently cover a big area by putting the fertilizer into a handheld or push spreader and applying it as directed.

Best 19-19-19 Fertilizer

You may get a lot of reliable 19-19-19 fertilizers on the market. But the Grasshopper 19-19-19 Foliar Fertilizer is a certain winner.

This fertilizer disintegrates in water. Water-soluble fertilizers are great since no unattractive granules are left behind and their nutrients are quickly absorbed by the plants’ leaves and roots.

The Grasshopper 19-19-19 Foliar Fertilizer’s nutrients make sure that your plants develop into robust, healthy plants. The fertilizer is suitable for many different plant conditions.

Is Triple 19 Fertilizer Good for Your Lawn?

It is possible to use the 19-19-19 fertilizer on lawns, albeit it might not be the greatest choice.

The majority of fertilizers designed exclusively for lawns contain more nitrogen and less phosphorus and potassium.

This was done on purpose because established lawns don’t require a lot of phosphorus or potassium. The craving is for nitrogen.

Using triple 14 is simply wasting two of the three nutrients, even though it probably won’t harm your lawn.

Is Triple 19 Good for Gardens?

Is Triple 19 Good for Gardens?

It works well for leafy greens including spinach, kale, lettuce, and cabbage. For the best results, it might be best to use fertilizers designed specifically for vegetables.

Fertilizers made specifically for vegetables have the precise ratio of nutrients needed for that particular vegetable to thrive. Therefore, a different nutrient ratio will be required for some veggies than others.

For instance, if you’re producing tomatoes, you might need a fertilizer with a 1-4-4 ratio or decide to use something like Tomato-tone, which is made exclusively for tomatoes.

On the other hand, you’ll need a fertilizer with a lower phosphorus concentration if you’re producing lettuce.

The best course of action in that case might be to buy fertilizer designed specifically for vegetables. All of your vegetables will grow as robustly and healthily as possible thanks to it.

What’s the Difference Between NPK 19-19-19 and 20-20-20?

Gardening is where 20-20-20 fertilizers are primarily employed. Most of those fertilizers are suitable for use in gardens during the entire crop-production cycle. They have the same percentages of nitrogen, phosphorus, and potassium (20% each).

However, some people might find the fertilizer to be excessively potent and want to dilute it slightly before using it.

NPK 19-19-19 Fertilizer Price

Depending on the brand and quantity, 19-19-19 NPK fertilizers can cost more or less. Fertilizers 19-19-19 might cost as little as $25 or as much as $200.

Despite appearances, the price of fertilizer depends on how much is in each packet. The price per pound, for instance, will be less expensive if you buy a 50 lb bag as opposed to a 20 lb bag.

Where To Buy 19-19-19 Fertilizer

The fertilizer 19-19-19 is available practically everywhere. Triple 19 is available in most large gardening stores as well as small neighborhood shops.

Online shopping makes it easy to purchase fertilizer from the comfort of your home. If you place an order via their websites, several large gardening stores offer delivery.

As an alternative, you can look up all of the fertilizers you need online.

One of the top choices on Amazon is the Unitedlys NPK 19-19-19 Fertilizer.

It is a water-soluble fertilizer that is full of all the nutrients the plants need to grow. Any sort of plant can use it.

What is the spreader setting for 19-19-19?

Based on the quantity of nitrogen in the bag, All Purpose Fertilizer 19-19-19 has a suggested spreader setting. The bag will cover 9500 square feet, so you will require about nine.


They work well for several fruits and veggies. They might not, however, be the greatest option for your grass.

– Multiply the weight of the bag by this number.-Multiply the weight of the bag by this number.

This is deliberate since established lawns do not require significant amounts of phosphorus or potassium. Nitrogen is what they yearn for.

Therefore, while using triple 14 won’t likely harm your grass, doing so amounts to throwing away two of the three nutrients.

On the other hand, a fertilizer with less phosphorus is required if you’re producing lettuce.