Best Fertilizers for St. Augustine Grass

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What makes grass grow? It’s something more than just laying seed, watering and when it gets annoyingly bigger mowing. Gardening can be the most satisfying and healthy hobby one can have. Grasses of different type require different amount of attention and they connects psychologically with the owner it’s like watching their own child flesh and blood grow.

When good cultural practices are combined with proper fertilization application through entire growing season you get something adorable, healthy vigorous carpet of grass.

St. Augustine grass is favourite in warm coastal region due to its ability to tolerate high humidity, salt and toasty temperature. The other name of scientific name of the same is Stenotaphrum secundatum and is widely grown in Hawaii, Florida and Gulf states. St. Augustine grass is lovely blue-green coloured strong grass. St. Augustine grass lawn requires fertilizing to keep it at its best. To sustain a healthy lawn, fertilizers are must they give strength to grass so that they can handle environmental stresses like drought, fungus and diseases.

That’s why giving your St. Augustine the right nutrients is essential. But it can be challenging to identify the best product from the lot of different brands of fertilizers. That’s why, for you, we take on your frustrations and do the legwork of finding the top fertilizers for St. Augustine grass. Below are the recommendation keep reading the article to know more.

5 Best Fertilizers for St. Augustine Grass

LAWNSTAR 16-4-8 NPK FERTILIZERS

This fertilizers can change the look of your lawn. This balanced liquid lawn food is for all grass types. The product includes premium blend of fast and slow release nitrogen sources to give your lawn rapid green up and also superior longevity. The fertilizers is made from highly bioavailable seaweed extract which gives maximum effect. The hose end sprayer of the pack included a bottle which fits on any standard garden hose and keeps the pride in your lawn. The system works by developing stronger, more resilient root system which improves stress tolerance like drought and heat.

BEST FERTILIZERS FOR ST. AUGUSTINE GRASS

Pros

It consists of an NPK ratio 16-4-8, which is exact what St. Augustine grass needs
Slow and fast release nitrogen
Can allow you to use it for over 4,000 square feet
Optimised with seaweed extract.

Cons

Not sold at most retailers.

THE ANDERSONS PROFESSIONAL PGF COMPLETE 16-4-8 FERTILIZER WITH HUMIC DG

The 16-4-8 formula is high in iron and micronutrients. The super fine particles gives you twice the number of particles per square foot. More particles will lead to better and even distribution. The product is a slow release fertilizers which can feed your grass for 8 weeks and the Humic DG ( humic and fulvic acid ) which helps enrich your soil and allows plants to process nutrients better. The Humic DG is a natural soil conditioner that improves long term soil pH. The fertilizers is suited best in tropical, humid climates having higher soil temperature.

Pros

The NPK ratio is 16-4-8
Great reviews for st. Augustine grass
Can cover upto 5,000 sq.ft. of grass land
Works super fast, visual results in just 4 days can be observed.

Cons

Not sold in California and South Dakota.

SUPER JUICE ALL IN ONE SOLUBLE SUPPLEMENT LAWN FERTILIZER

This is a all in one fertilizers, named super juice. What is interesting about this product is the fine dry mix is to be dissolved and then applied by sprayer. This is a new formula introduced in 2019 that has 4% iron in it. The higher concentration of iron gives your lawn a dark deep green colour. The results are amazing. Its NPK ratio is 14-2-4 for full acres of lawn and 7-1-2 for half strength. It comes in a resealable bag lined with foil for freshness so that you can store it without worry. This product can be used as primary treatment or complement to growing grass. You can see result in little time from one to four hours.

Pros

Suitable for grass with iron deficiency
The NPK ratio is 14-2-4
Can cover up to two acres of grass area
Used by pro grass care on golf courses.

Cons

Expensive in price.

Scotts Turf Builder Lawn Food

If you’re planting a new lawn, this fertilizer from Scotts is the perfect starter food to get your grass off on the right foot. It encourages quick growth and produces grass that’s up to 70% thicker and grows 35% faster than untreated grass.

The 24-25-4 NPK ratio is perfect for encouraging quick, strong root development and healthier blades. It works with all grass types, including St. Augustine.

Don’t think that this fertilizer is only for new growth. It’s also quite effective with established lawns as well as grass plugs and sod.

This fertilizer comes in granule form and requires a spreader for proper application. Afterward, water your lawn to make sure it gets into the ground to the roots. The small granular size soaks into the ground quickly to get to work fast.

Pros

It consists of an NPK ratio 16-4-8, which is exact what St. Augustine grass needs
Slow and fast release nitrogen
Can allow you to use it for over 4,000 square feet
Optimised with seaweed extract.

Cons

Not sold at most retailers.

Advanced 16-4-8 Balanced NPK – Lawn Food Quality Liquid Fertilizer – Spring & Summer Concentrated Spray – Any Grass Type – Simple Lawn Solutions

The precise formulation is an ideal 16-4-8 blend that, rather than using chemical additives to get results, rejuvenates your lawn with organic and natural ingredients.

A primary blend of nutrients and also seaweed and fish are included in this Easy Lawn Solutions fertilizer. For keeping your grass lush and green whilst promoting strong root growth, the NPK ratio is ideal.

On lawns that are infested with weeds, fungi, disease, or insect infestations, this blend will not work. This fertilizer is intended to encourage existing lawns to develop healthy and vibrant.

This fertilizer also works with, among others, Bermuda, Florida Palmetto, Fescue, and Kentucky Bluegrass, in addition to St. Augustine grass.

The fertilizer comes in an easy-to-apply formula, and the bottle has a hose attachment right on top, so it is ready to use, and no special sprayers or spreaders are needed.

Pros

Easy to use – spray attachment on the bottle
Concentrated formula
Comes from a company with 25 years of experience
Great value for money

Cons

Nozzle may not work correctly
The sprayer can seize with repeat use

Important Factors to Consider When You Apply Fertilizers

SIZE

The amount of fertilizers you use on St. Augustine grass is very crucial. This is important as using too little fertilizers will not produce that lush, dark green colour or rapid growth. On the other hand, using too much fertilizers will create a haven for pests.

NITROGEN

The best fertilizers for St. Augustine grass is the one that has one pound of nitrogen for every 1,000 square foot of area. Sadly, the packs don’t come with written nitrogen on them but you can calculate it with the help of NPK ratio and area they cover by using a single pack.

Slow Release vs Quick Release Fertilizers

A slow release fertilizers is insoluble while a quick release one is soluble. Slow release fertilizers will release nutrients over an extended period of time i.e upto 2 months and quick release on contrary dissolve quickly in the soil, making nutrients readily accessible to soil. There are many forms of slow release fertilizers such as organic materials. Slow release fertilizers are generally used for more in growing season while a quick release fertilizers be used in the fall on turf so that turf is able to a sorb the nutrients before dormancy.

When to Fertilize the St. Augustine Grass

When fertilizing St. Augustine grass, fertilizer should be applied 2-6 times during the year from spring to fall. Unless you live in South Florida.
Watch out in applying fertilizers too early in spring growing season, especially in north areas. The southern part of Florida where year round temperature are warmer, St. Augustine grass grows year round and the fertilizers program continues year round as well.
The last fertilizers application season in the north should be in end of September. As you move farther north final application should end earlier.

Wrap Up

Pets and insects have been issues for gardeners for a long time. Don’t forget not all insects are dangerous for your gardens like honey bees, ladybugs and others.

Few types of insects are more dangerous than others. Insects such as Fire Ants, Bagworms, whiteflies, caterpillars, snails, garden ants, moles can turn your garden useless in just a few days. To help you to deal with them, we have listed the BEST FERTILIZERS FOR ST. AUGUSTINE GRASS, which you can buy right now.

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Best Fertilizers for St. Augustine Grass