Advantages St. Augustinegrass produces a green to blue-green dense turf that is well adapted to most soils and climatic regions in Florida. All rights reserved. St. Augustinegrass is the most commonly used lawn grass in Florida (Figure 1). Along with potassium, two other elements, nitrogen and phosphorus, form a very potent … St. Augustine vs Bermuda | Lawn Grass for Warmer Climates. It helps with cold, shade, traffic and drought stress. Some types of St Augustine grass, such as Palmetto and Mercedes can be mowed as short as 2”. ... because nitrogen is what makes your grass green and thick. Fertilizer blends which are high in K (potassium) are often sold as a winterizing fertilizer due to the effect of potassium on the cold hardiness of grass. Original content available for non-commercial use under a Creative Commons license, except where noted. Nitrogen, potassium, sulfur, and iron are not readily available in our sandy soils and need to be replenished on a regular basis. It is guaranteed to make your lawn green and ready for the growing season. The standard convention for designating these quantities is by a percentage ratio. When fertilizing your lawn, it is very important to follow Florida-Friendly Landscaping™ Best Management Practices (FFL BMPs). It tolerates modest shade but develops poorly in heavy shade. Some cultivars offer increased insect and shade tolerance. Karize Uy Date: January 30, 2021 Potash, which is often included in fertilizer.. Zoysias tend to perform best in soils with a pH between 5.8â7.0. St. Augustine Grass in South Florida. During dormancy, St. Augustine grass will cease growing almost completely and aboveground growth will turn brown. It tolerates modest shade but develops poorly in heavy shade. Homeowners should carefully match their yard's characteristics with the St. Augustine type's requirements. Therefore, soil tests should be a regular part of lawn care and will truly determine the best fertilizer for St Augustine grass. If possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dor⦠Before selecting any grass fertilizer or starting a seasonal lawn care fertilizer program for your St Augustine grass (stenotaphrum secundatum), have a soil test done.. Zoysias tend to perform best in soils with a pH between 5.8–7.0. Ferromecâs liquid fertilizer is the best liquid fertilizer for St Augustine grass. This is because Centipede grass does not need as much phosphorus to flourish. Kelly Burke is a freelance writer and professional turf manager. So what is winter brown off in lawns and why does it occur? Being a warm-season turfgrass, St. Augustine grows best during summer. The recommended depth to water St. Augustine grass is 4- 6 inches. St. Augustine grass is usually dormant during the colder winter and fall seasons. Grass Type: Palmetto St. Augustine Lawn Size: 4600 Mower: hugusana. It is a concentrated soluble granule fertilizer for liquid ⦠Granular fertilizers are suitable for mid-size and large lawns as the spreader will be easier to push around to ensure it is spread easily and efficiently. Introducing "One Thing": A New Video Series. Texas Common, Raleigh, Seville, Palmetto and Floratam are St. Augustine varieties commonly used for home lawns in Designed for warm-weather grasses, Ferromecâs liquid fertilizer also contains iron and sulfur to help your turf reach peak vitality. About four to six weeks before the first cold front of the season, most St. Augustine lawns will benefit from low nitrogen, high potassium fertilizer. © Gannett Co., Inc. 2021. For example, if a 50-pound bag of fertilizer is labeled 20-20-20, it means there are 10 pounds each of nitrogen, phosphorus, and potassium (20 percent of 50 pounds). Potassium (chemical symbol K) is one of the three major elements most necessary for plant nutrition, along with nitrogen (chemical symbol N) and phosphorus (chemical symbol P). Feed Your St Augustine Turf Grass Lawn. The only way to plant St. Augustine ⦠A ratio of 3-1-2 (N-P-K) or nitrogen, phosphorus, potassium is a good overall fertilizer mix for St. Augustine Palmetto grass. In areas such as Texas, California, and Florida, a warmer climate means not all kinds of lawn grass will thrive. St. Augustine grass will go dormant during winter if soil temperatures go down to 55℉ (12℃) and lower. As a result, potassium deficiencies in turf may cause increased susceptibility to drought, winter injury, and disease. In very warm regions, such as South Florida, St. Augustine grass may remain green all year round, never entering dormancy. If you are having St. Augustine grass in your lawn, you should fertilize it 3 times during summers. Excess potassium is relatively harmless to the lawn and the environment, but too much potassium likely also means an excess of nitrogen and/or phosphorus, both of which can be harmful. Some are nutrient-specific, while others provide the full range of macro and micronutrients. From the lush forests of Northern California come the Fox Farm liquid plant foods. growth structures called stolons. St. Augustine lawn grass varieties do not produce a harvest-able seed. All lawn fertilizer should be labeled clearly to indicate the quantities of elemental nutrients found in the product. St. Augustine grass works great to grow in the shade, while Bermuda is very dependant on getting full sun hours to grow strong and lush. A healthy St. Augustine lawn will choke out weeds and other grass strains. Lawn fertility is one of the most important aspects of lawn care, so it is important to know what is in a bag of lawn fertilizer and how it affects your lawn. Using liquid weed and feed for St Augustine lawns will decrease the soil compaction and improve the drainage of the soil, making your St Augustine grass flourish. Due to high maintenance cost and increase water restrictions many home owners are converting their St. Augustine lawns to more drought tolerant lower maintenance lawn grass varieties such as Argentine Bahiagrass, … You should, therefore, establish your lawn in mid-summer when conditions are great for the growth and spread of this grass species all over your lawn. I put in steel fence posts at ends and 1 in middle of row. Although soil tests are the best way to determine the nutrient requirements of the lawn, in some cases it can be difficult to determine anything more than a potassium deficiency. Homeowners have several different types of St. Augustine grass to choose from. And over-applying nitrogen fertilizer can be detrimental to the lawn itselfâeither through creating too much top growth or possibly burning the grass plants. St. Augustine grass (Stenotaphrum secundatum) is a warm season grass, growing quickly in the summer and slowing down in the winter. How to Choose the Right Flower Fertilizer Type, How to Plant and Care for Bulbs in Your Lawn, How to Fertilize Your Garden or Lawn in Late Fall, Reading and Understanding Garden Fertilizer Labels. Potassium does not deplete the water of available oxygen as do some of the other elements contained in fertilizers. Apply no more than 1 /2 pound of nitrogen per 1,000 square feet. – even in the winter. For best results, apply nitrogen in the summer months and potassium in September to give it winter resiliency. The results of the soil test will âtellâ you the soil pH and what the nutrient levels are of the 16 essential elements needed for proper growth and appearance. This type of fertilizer can also be called potash fertilizer, as potash contains potassium in salt form. Plant-available potassium is constantly changing in the soil and is dependent on many factors that are interconnected. St. Augustinegrass spreads laterally across the soil surface by … Timing of application is important, too. You can be as precise as you’d like, but the general rule of thumb is to pull out a tape measure and get a rough estimate. St Augustine grass needs fertilizer with a higher nitrogen content than Phosphorus and Potassium. The most common fertilizers supply a balanced amount of nitrogen, phosphorus, and potassium. These amounts are represented on fertilizer bags by three numbers, like 12-12-12, 8-4-6, or 10-10-10. St. Augustine Grass Types. Both St. Augustine and zoysia require a certain amount of macro and micronutrients including nitrogen, phosphorus, potassium, iron, manganese and sulfur. An overall healthy soil should be the goal, aiming for potassium levels that fall in line naturallyâor with the addition of fertilizers. What Percentage of Nitrogen, Phosphorus & Potassium to Use on Lawns. In general, a fertilizer applied to the lawn should have the first and last numbers equal or the last number at least 50 percent of the first and the middle number should be zero. The mower setting should be between 2 to 2½ inches high. Potassium also occurs naturally in organic fertilizer and compost sources, such as seaweed products, wood ash, and animal feeds and bedding materials. Simply put, potassium fertilizer is a variety of fertilizer that has potassium as the primary ingredient. Choosing the appropriate fertilizer blend should be based on soil type, soil test results, and other factors, such as including personal preference (organic or non-organic) or legislation (are there any restrictions or bans on fertilizer use). The key here for most St Augustine lawn owners who want a greener healthier lawn in winter, is to ensure the lawn is in the best health possible prior to winter arriving.. The three main numbers in fertilizer labeling represent the percentage of nitrogen (N), phosphoru⦠Do not fertilize St. Augustinegrass from December through February unless the lawn has been oversee⦠As it is a warm-season grass, you need to make sure that you are fertilizing it in summers only. This height reduction should be done just before the lawn greens up, which usually occurs during late April or early May. St. Augustine grass is a popular turf grass found in the Southeastern United States from Florida to the Gulf Coast of Texas. If you are having St. Augustine grass in your lawn, you should fertilize it 3 times during summers. Popular cultivars include the following. Then fill the container to exactly the same depth with the liquid fertilizer and get the fertilizer only weight. For example, a fertilizer analysis that reads 30-5-10, would be made up of 30% nitrogen, 5% phosphorous, and 10% potassium. At present, phosphorus (P) fertilization of St… Learn tips for creating your most beautiful (and bountiful) garden ever. Established grass lawns need about 4 pounds of nitrogen for every 1,000 square feet each year. If you must bag the clippings, consider composting them for use in the landscape. If you are familiar with fertilizer formulas, you know there are usually three numbers on the bag. If you have St. Augustine or Bermuda grass, you will want an N-P-K ratio around 4:1:2 and if you have Centipede grass, you will generally want an N-P-K ratio of around 1:0:1. Multiply these percentages by the weight o⦠Potassium has been shown to increase root growth, cold tolerance and drought tolerance in St. Augustine grass. Even if you forgo the salt, the nitrogen is essential for keeping this variety healthy. Both St. Augustine and zoysia require a certain amount of macro and micronutrients including nitrogen, phosphorus, potassium, iron, manganese and sulfur. About half as much potassium as nitrogen is required to maintain growth. Plant St. Augustine grass during summer. It's not uncommon for St. Augustine to lack iron (made apparent by PH levels higher than 7.0), but its other components are equally important to note such as the levels of phosphorus and potassium. Among this information will be a recommendation for how much potassium your soil requires for good grass growth. St. Augustine Grass Types. Before selecting any grass fertilizer or starting a seasonal lawn care fertilizer program for your St Augustine grass (stenotaphrum secundatum), have a soil test done.. Potassium requirements for St. Augustine grass are about the same as for other grasses. While there isn't a lot that can be done in Fall to bring a lawn to good health before winter, we can pay careful attention to our fertilization program at this time of the year. 10. ... because nitrogen is what makes your grass green and thick. St Augustine grass needs fertilizer with a higher nitrogen content than Phosphorus and Potassium. This type of fertilizer can also be called potash fertilizer, as potash contains potassium in salt form. St. Augustine grass will go dormant during winter if soil temperatures go down to 55â (12â) and lower. St. Augustinegrass is the most commonly used lawn grass in Florida (Figure 1). Texas Common, Raleigh, Seville, Palmetto and Floratam are St. Augustine varieties commonly used for home lawns in Feed Your St Augustine Turf Grass Lawn. If managed properly, St. Augustinegrass forms a dense cover that handles light traffic and competes well with most weeds. 3. This is because Centipede grass does not need as much phosphorus to flourish. It can be difficult to identify if overconsumption is a problem because little is known about the optimal concentration of potassium in the turf. Release Of Nitrogen As the grass is efficient in absorbing nitrogen, it is important to use a fertilizer that has a slow release of nitrogen. When you obtain a soil test from a university extension service or a professional testing lab, the results will give specific recommendations for how to amend or fertilize the soil to create optimal growing conditions. Yearly Calendar for St. Augustinegrass Care and Culture Page 2 manganese (Mn), iron (Fe), sulfur (S), magnesium (Mg) and boron (B) should also be considered, especially if micronutrient deficiencies are expected for the lawn site. St. Augustine grass works great to grow in the shade, while Bermuda is very dependant on getting full sun hours to grow strong and lush. One tray of St. Augustine grass plugs, or 18 plugs, will cover 32 square feet of your yard, or one pallet of St. Augustine sod measuring four feet by four feet will cover 450 square feet. Simply put, potassium fertilizer is a variety of fertilizer that has potassium as the primary ingredient. Being a warm-season turfgrass, St. Augustine grows best during summer. The main goal of feeding a lawn is not feeding the turf, it is for feeding the soil microbes so that they can compost. How to Grow White Clover (Trifolium Repens), Essential Plant Macronutrients for Survival and Growth, When to Use Lime as a Soil Amendment for Your Lawn. The results of the soil test will “tell” you the soil pH and what the nutrient levels are of the 16 essential elements needed for proper growth and appearance. A healthy St. Augustine lawn will choke out weeds and other grass strains. St. Augustine vs Bermuda | Lawn Grass for Warmer Climates. Release Of Nitrogen As the grass is efficient in absorbing nitrogen, it is important to use a fertilizer that has a slow release of nitrogen. The best fertilizer for St. Augustine grass contains a nutrient ratio of 3-1-2 of nitrogen, phosphorus, and potassium. St. augustinegrass has better shade tolerance than many other warm-season grasses (Busey, 2003). 3. Fertilizers with nitrogen, phosphorus, and potassium (NPK) ratio of 4 ⦠Potash is abundant in many different soils, but not all of it is available for uptake by the plant. If you have St. Augustine or Bermuda grass, you will want an N-P-K ratio around 4:1:2 and if you have Centipede grass, you will generally want an N-P-K ratio of around 1:0:1. In very warm regions, such as South Florida, St. Augustine grass may remain green all year round, never entering dormancy. Some cultivars offer increased insect and shade tolerance. At that time, apply a low nitrogen, highpotassium fertilizer. A ratio of 3-1-2 (N-P-K) or nitrogen, phosphorus, potassium is a good overall fertilizer mix for St. Augustine Palmetto grass. The key here is that potassium needs to be applied during the growing season to be available for uptake by the lawn. Fertilizers comprise a broad range of amendments that add some kind of nutritional benefit to the soil. Apparently, LESCO makes an Iron Plus, which will make your lawn turn amazing dark greenish-bluish colors -- but it's a little expensive, and that's why I … Applying it once the grass has gone dormant is of minimal value to the plant. Here are the 8 Best Fertilizers for St Augustine Grass 1) Scotts Turf Builder Southern Triple Action This fertilizer is essentially three products in one. I do not get to see this on the lawns I maintain commercially because the fertilizer program is the same for those lawns. St. Augustine grass is one of the most popular grasses used for lawns in South Florida. growth structures called stolons. Potassium requirements for St. Augustine grass are about the same as for other grasses. Along with nitrogen and phosphorus, potassium is one of the essential macro-nutrients required in the largest quantities by plants for growth and vigor. Corn fertilizer seeder. What Percentage of Nitrogen, Phosphorus & Potassium to Use on Lawns. 10. What Is Foliar Application for Horticultural Plants? The other two numbers indicate the amount of phosphorus and potassium, which are needed for healthy roots. Therefore, soil tests should be a regular part of lawn care and will truly determine the best fertilizer for St Augustine grass. Be careful not to set the mower too low, as it may scalp the lawn. St. Augustine grass should only be watered once it is dry and showing signs of drought, typically every 5- 10 days. It has relatively good salt tolerance, and certain cultivars have better shade tolerance than other warm-season grass species. What Do the Letters NPK Mean on a Fertilizer? 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