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Florida Premium Services LLC, 1626 Forest Hills Lane,
Haines City,
FL, 33844

Property Management

Lawn Care


from $90 per month

St. Augustinegrass is the most commonly used lawn grass throughout the state of Florida. It can grow satisfactorily in a wide variety of soils.

The weekly or as needed service will include, mowing the lawn, edging and clearing away. It will also include periodic trimming of hedges and shrubs. A premium service is available at an additional cost that would provide full weeding and shrub maintenance advise on what planting could enhance the appearance of your home.

We also offer a Palm and Oak tree pruning service to ensure you are compliant with the Home Owners Associations regulations!

The Perfect Lawn


Advantages
St. Augustinegrass produces a green to blue-green dense turf that is well adapted to most soils and climatic regions in Florida and to a relatively wide range of soil pH. It has relatively good salt tolerance, and certain cultivars have better shade tolerance than other warm-season grass species. St. Augustinegrass establishes quickly and easily and may be planted as sod, sprigs, or plugs.

Disadvantages
St. Augustinegrass, like most turfgrasses, has certain cultural and pest problems. It requires water to remain green and healthy and may require supplemental irrigation during extended dry periods. It has poor wear tolerance and does not hold up to repeated foot or vehicular traffic. It goes into winter dormancy in parts of the state and turns a brown or tan color until springtime. It produces thatch under high fertilization and irrigation regimes, which may become a health problem for the grass. It has coarse, wide leaves and stems and therefore does not grow as densely as some other species. The major insect pest of St. Augustinegrass is the chinch bug, which can cause considerable damage if left untreated. Some cultivars are also susceptible to diseases, such as gray leaf spot, large (brown) patch, and take-all root rot. Weed control can be challenging, particularly when trying to control persistent, grassy weeds.

Establishment of St. Augustinegrass
Although St. Augustinegrass can be planted year-round in warmer sections of Florida, the best time to plant any warm-season grass is during its time of active growth. Allowing the grass to develop a deep root system before it experiences temperature extremes helps it establish more quickly and with less water. In South Florida, the optimal time for establishment is late fall, winter, or spring. In Central and North Florida, try to avoid establishment during cold winter or hot summer months.

St. Augustinegrass is established by vegetative propagation only, which includes sod, plugs, or sprigs. Vegetative propagation means that plant parts with growing points are used for planting rather than seeds. St. Augustinegrass has stolons (aboveground stems) that have areas of actively dividing cells at the nodes. These areas are capable of generating new shoot and root growth and are responsible for lateral growth of St. Augustinegrass along the ground.

It is important to provide irrigation on the correct schedule when grass is newly planted. Multiple, short (5–10 minutes) irrigations throughout the course of the day for 7–10 days following planting helps the grass establish without drying out. For the next 7–10 days, irrigate once a day to apply ¼–½ inch of water. After this, frequency should be reduced to 2–3 times weekly, again applying ¼–½ inch of water. Three to four weeks after sodding, the grass should be fully established and irrigation can begin on an as-needed basis.

A newly planted lawn should not be fertilized until 30–60 days after planting. Because the root system is not developed on new plantings, fertilizing before this can result in nutrient leaching or runoff and potential pollution of ground or surface waters. Sod is generally fertilized prior to harvest and does not need supplemental nutrients for this time. The lawn should not be mowed until the roots have had a chance to peg down into the soil, generally at least 14 days after planting. Pegging means that the sod cannot be lifted without appreciable force.

Sodding

Figure 5. Sodding produces an instant lawn.


Sodding is the fastest way to establish a lawn because it provides complete ground cover and it is not necessary to wait for it to fill in (Figure 5). Sodding can also reduce potential weed competition that can occur when using other planting methods that leave bare ground. However, it is important to remember that the grass is still vulnerable at this stage, and it is not yet safe for play or other activities. It is quite dependent until the roots have developed and extended down into the soil. Sod pieces should be laid over bare, moist soil in a staggered brick-like pattern, and the edges should be fitted tightly together to avoid any open cracks. Rolling and watering thoroughly ensures good contact with the soil for fast rooting

Sprigging
Sprigging is less expensive than sodding, but it takes longer for the lawn to establish. Sprigs contain nodes on stolons, which are planted end-to-end in furrows 6–12 inches apart. Stolons should be covered with soil, but leaf blades should be exposed. The soil should be tamped and thoroughly saturated. Soil needs to be kept moist until shoots and roots begin to grow.

Plugging
A number of St. Augustinegrass cultivars are available commercially in garden centers as plugs. Sod also can be made into plugs by cutting it into small squares. Spacing of plugs varies from 6 to 24 inches. The closer spacing provides coverage more quickly. Plugs are placed in holes of the same size or in open furrows and tamped into place. A thorough watering completes the installation. The turf should then be cared for like a sprigged lawn.

Maintenance
Proper lawn maintenance practices are the best means for avoiding pest or stress problems and for maintaining a healthy lawn. St. Augustinegrass requires inputs of fertilizer to maintain good cover and healthy growth characteristics. During certain times of the year, it generally requires supplemental irrigation. Pesticides may be needed periodically, but their use can be minimized if other cultural practices (mowing, irrigation, fertilization) are done correctly.

Fertilization
Proper fertilization is very important for sustaining a healthy lawn. Fertilization and other cultural practices influence the overall health and quality of the lawn and reduce its vulnerability to numerous stresses, including weeds, insects, and disease. It is very important that anyone fertilizing their lawn be familiar with and follow the Florida-Friendly Landscaping™ Best Management Practices (FFL BMPs). These practices are designed to maintain healthy lawns and reduce any potential nonpoint source pollution of water resources that might result from lawn and landscape fertilization and other cultural practices. There are now state and local regulations that cover lawn fertilization, so be aware of city and county guidelines and always follow the directions on the fertilizer bag

A soil test should be done to determine what nutrients are available to the lawn and what the soil pH is. The local Extension office has instructions and supplies for taking soil samples and submitting them to the Extension Soil Testing Laboratory for analysis. In particular, phosphorus levels are best determined by soil testing. Since many Florida soils are high in phosphorus, it is often not necessary to add phosphorus to a lawn once it is established.

Florida Rule (5E-1.003) mandates that fertilizer application rates cannot exceed 1 pound of nitrogen per 1000 square feet for any application. Based on the percentage of nitrogen that is in a slowly available or slow-release form in a fertilizer, UF recommendations call for applying a ½ pound (water-soluble nitrogen source) to 1 pound (slow-release nitrogen source) of nitrogen per 1000 square feet of turfgrass.

As a general rule, the first fertilizer application of the year should be early April in Central Florida and mid-April in North Florida. In South Florida, fertilizer applications may be made throughout the year since growth is year-round. University of Florida guidelines for lawn grass fertilization offer a range of fertilizer rates over which a particular species may be successfully maintained in the various regions of the state. These ranges account for individual homeowner preferences for low-, medium-, or higher-input grass. Additionally, localized microclimatic effects can have a tremendous effect on turfgrass growth. A range of rates allows for these environmental variations. An example of this would be a typical home lawn that is partially shaded and partially sunny. The grass growing in the shade needs less fertilizer than that growing in full sun.

Fertilization is also affected by soil type, organic matter in soils, and practices such as clipping management. Recycled clippings provide some nutrients back to the turfgrass and may reduce the need for fertilizer inputs. Additionally, a newly sodded lawn on a sand soil with no organic matter requires more fertilizer than a lawn that has been fertilized for years. In Florida, new homes and new developments may be next to much older developed landscapes, and a one-size-fits-all approach to fertilization is not reasonable. Thus, the guidelines provide a base range from which the end user can begin a fertilization program. The homeowner is encouraged to initiate a program based on these guidelines and to adjust it over time based on how the turfgrass responds.

The fertilizer guidelines divide the state into three geographical locations as indicated in Table 2. All rates are in pounds of nitrogen per 1000 square feet per year
Fertilizer should be applied to St. Augustinegrass in 2–6 applications from spring green-up through fall. Do not apply too early in the growing season, particularly in North Florida, because late-season frosts may damage the grass. Likewise, do not fertilize too late in the year after growth has subsided. In South Florida, year-round fertilization is acceptable.

On high-pH (> 7.0) soils or where high-pH water is applied, yellow leaf blades may be an indication of iron or manganese deficiency. Application of soluble or chelated sources of these micronutrients can provide a green-up in these cases.

Note that iron is not a substitute for nitrogen, which provides the building blocks for turfgrass growth and is required for turf health. While both iron and nitrogen deficiencies result in turfgrass yellowing, they are distinctly different deficiencies in plants. Applying iron does not cure yellowing due to nitrogen deficiency, and iron fertilizer is not a substitute for nitrogen fertilizer. Foliar iron fertilizers, such as iron sulfate or chelated iron solutions, help cure iron deficiencies, and nitrogen fertilizers applied according to BMPs cure nitrogen deficiencies.

Mowing
Proper mowing practices are necessary to keep any lawn healthy and attractive. Standard St. Augustinegrass cultivars ('BitterBlue', 'Classic', 'Floratam', etc.) should be maintained at a height of 3.5–4 inches. Repeatedly mowing at lower heights increases the stress on the lawn, discourages deep rooting, increases the chance for scalping if a mowing event is missed or postponed due to weather, and may increase susceptibility to pest problems (Figure 6). To obtain the correct height with most home rotary lawn mowers, use the highest wheel height setting.

Maintaining the right height helps the grass develop a deep root system and gives a better appearance to the turf. No more than 1/3 of the leaf blades should be removed with any mowing. If possible, mowing height should be increased during periods of moisture stress or if the grass is growing in shade. Dwarf varieties have a lower growth habit and should be mowed at 2–2.5 inches for optimum health. Mowing too infrequently and watering improperly can cause a thatch buildup.


"Scalping," or mowing grass too short, can injure the lawn. Always mow at the highest recommended height for the cultivar and species.

A rotary mower (Figure 7) can be used on St. Augustinegrass. It is important to keep the blades sharp and well adjusted for a clean cut. Dull blades give the lawn a brownish cast because a ragged cut shreds the leaf blades rather than cuts them. During the growing season, blades should be sharpened monthly. St. Augustinegrass requires weekly mowing during the growing season and less frequent mowing during the cooler months of the year. In North Florida, mowing may not be required during winter months.


Figure 7. Rotary mower


Grass clippings should be left on a lawn that is mowed at the proper height and frequency. Under these conditions, clippings do not contribute to the thatch layer. Clippings put nutrients back into the soil system and may reduce turf fertilization requirements by up to 25%. If clippings are excessive (e.g., clumping occurs), let them dry out and then disperse them over the lawn.

Watering
Irrigating on an “as-needed” basis is the best way to water any established, mature grass, as long as the proper amount of water is applied when needed. Irrigation is needed when leaf blades begin to fold up, wilt, or turn a blue-gray color, or when footprints remain visible after walking on the grass (Figure 8). Apply ½–¾ inch of water per application. This applies water to roughly the top 8 inches of soil where the majority of the roots are. Be sure to follow any local watering restrictions.

To determine the amount of irrigation supplied by a sprinkler system, place several straight-sided cans (e.g., tuna fish or cat food) throughout each irrigation zone and run each zone to determine how long it takes to fill the cans to the ½- or ¾-inch level, then record the time. Each zone will likely take different amounts of time to give the same quantity of water. The recorded run times for each zone should then be programmed into the irrigation clock for automated systems. If the variation in the catch cans is great, a more thorough audit of the irrigation system is needed.
The frequency of irrigating should change seasonally, with less water needed in the fall and winter. The amount applied should not be adjusted—only the frequency.

Proper watering practices help maintain a lawn that requires less mowing and has little thatch buildup. Proper watering also helps develop a deep root system and makes the lawn less susceptible to damage by pests and environmental stresses. If large (brown) patch or gray leaf spot diseases are a continuous problem, excessive watering and nitrogen fertilization may be responsible. Certain weeds, such as dollarweed and sedges, also thrive in soils that are continuously wet.


Let your lawn tell you when to water. Look for folded leaf blades, as seen here.


Pest Management

Weeds
The best approach to weed control is a healthy, vigorous lawn. Weed problems in a lawn indicate that the turf has been weakened by improper management practices or damage from pests. Proper management practices can eliminate many weed problems. If weeds are a persistent problem, herbicides labeled specifically for St. Augustinegrass should be used. If an herbicide is needed, preemergence herbicides (i.e., pendimethalin, benefin, bensulide, atrazine, or others) can be applied to control crabgrass if it was present in previous years. Timing is critical for successful control. As a general rule, preemergence herbicides should be applied February 1 in South Florida, February 15 in Central Florida, and March 1 in North Florida. Note: Preemergence herbicides will not control weeds that are actively growing.

Postemergence herbicides (e.g., atrazine) should be applied as needed for control of summer annual and perennial broadleaf or grassy weeds. These materials should not be applied if the turf is under moisture stress or if air temperatures exceed 85°F. The local county Extension office can assist with positive weed identification and provide the latest recommendations.

Many commercial "weed-n-feed" formulations provide control, but they should be used with caution because certain plant materials may not be tolerant. These herbicides can damage landscape plants whose roots may extend far under the lawn. These materials should only be used when a lawn has a uniform weed population. If weeds exist only on a portion of the lawn, "weed-n-feed" product should not be applied to the entire lawn. If the situation warrants the use of a "weed-n-feed" product, it is important to determine if the manufacturer's recommended rate of application supplies the amount of fertilizer needed by the turfgrass and the amount of herbicide that is required for weed control. Supplemental applications of fertilizer or herbicide may be required if the fertilizer/herbicide product does not supply enough fertilizer to meet the fertility needs of the turfgrass or the amount of herbicide needed for weed control. Carefully read the label before use and follow all label directions.

Insects
The major insect pest of St. Augustinegrass is the chinch bug (Figure 9). Chinch bugs are foliar-feeding insects that suck plant juices through a needlelike beak, causing yellowish to brownish patches in turf (Figure 10). Injured areas are usually first noticed as the weather begins to warm in areas along sidewalks, adjacent to buildings, and in other water-stressed areas where the grass is in full sun.



Adult chinch bugs

Check for chinch bugs by removing the ends of a coffee can, inserting one end into the soil at the margin of suspected damaged areas, and filling it with water. Chinch bugs will float to the water surface within 5 minutes. In areas where chinch bugs are a serious problem, a single, thorough insecticide treatment may offer only temporary control. Therefore, repeat applications may be required. Some populations of this insect have become resistant to synthetic pyrethroid insecticides.


Chinch bug damage


Other insect pests, including webworms, armyworms, grass loopers, and mole crickets, can damage St. Augustinegrass. Mole crickets damage turfgrass areas primarily by creating tunnels or soft mounds while searching for food. Additional damage may result from small animals digging through the soil profile in search of the mole crickets as food. Check for mole crickets by examining an area for tunnels or by applying 2 gallons of water mixed with 1½ ounces of detergent soap per 2 square feet in suspected damaged areas. Mole crickets will surface in several minutes.

White grubs are another pest of St. Augustinegrass. These can be found by lifting the grass to a depth of about 2 inches. Grubs can be seen feeding on the roots at this level.

Diseases

Large (brown) patch symptoms on St. Augustinegrass

Large (brown) patch (Figure 11) and gray leaf spot (Figure 12) are two major disease problems of St. Augustinegrass. Large (brown) patch occurs in warm, humid weather and is encouraged by excessive nitrogen. It is generally most noticeable during the spring and fall months. Gray leaf spot occurs during the summer rainy season and is primarily a problem on new growth. Both diseases can be controlled with fungicides.



Gray leaf spot symptoms on St. Augustinegrass


Other St. Augustinegrass disease problems originate in the root system. Take-all root rot (Gaeumannomyces graminis var. graminis) occurs under high moisture or stress conditions. When symptoms are noticeable aboveground, the disease is usually in an advanced stage. Following proper cultural practices is the best defense against this disease.

Nematodes
Several types of nematodes infest St. Augustinegrass lawns. Population peaks of nematodes typically occur in late April to early May and again in late August to early September. Damage symptoms (Figure 13) include thin stand density, less vigorous growth, a weakened root system, slow recovery following rain or irrigation application, and certain weeds such as prostrate spurge and Florida pusley. Soil nematode levels can only be positively identified through laboratory procedures. The local county Extension office can provide information on submitting soil samples to the University of Florida Nematode Assay Laboratory. There are currently no effective nematode controls for use in the home lawn. Cultural controls include encouraging deep turfgrass rooting by raising the mowing height, irrigating less frequently but more deeply, and providing ample soil potassium.


Signs of nematode damage in St. Augustinegrass


Other Problems
Other factors can also decrease the quality of a lawn. Excessive shade, compacted soils, over- or underwatering, improper mowing, traffic, and high or low pH can all cause a lawn to perform poorly. It is important to recognize what the source of the problem is and to correct it if possible.

Thatch Removal
Thatch is the layer of undecomposed leaf blades, stolons, roots, and crowns intermingled with soil (Figure 14). Leaving mowing clippings on the lawn does not cause thatch because clippings are readily broken down by microbes in the soil. Thatch development is greatest in grass that is overfertilized or overwatered. An excessive thatch layer reduces water penetration and can bind up fertilizer or pesticides. In severe cases, roots may be seen actually growing aboveground and rooting into the thatch layer. This is a very unhealthy condition and leaves the lawn vulnerable to many stresses.


Thatch layers can develop in St. Augustinegrass, especially when fertilization or irrigation rates are high.

If the thatch layer exceeds 1 inch, it may be removed by vertical mowing, or "verticutting," in early spring to midsummer. Verticutting uses vertical blades that slice through the thatch and slightly into the soil, resulting in much of the dead material being removed from the top of the lawn. A 3-inch spacing between the dethatching blades is best for St. Augustinegrass. Caution: Vertical mowing may result in damaged turf that requires a period of recuperation. Do not attempt vertical mowing unless the grass is actively growing. Verticut should be done in an east to west or north to south pattern, but not in all four directions. Debris should be removed by raking, sweeping, or vacuuming, followed by a conventional mowing to improve turf appearance and immediate irrigation to prevent root zone dehydration. One week after vertical mowing, fertilizer should be applied at the rate of 1 pound of nitrogen per 1000 square feet to encourage recovery. This material must be watered into the soil immediately following application to prevent plant burn.

Periodic topdressing (adding a uniform layer of soil on top of the grass) with ¼ inch of soil similar to that underlying the turf is the best method to alleviate thatch accumulation; however, the physical labor required limits the practicality of this method for most homeowners. If topdressing, be sure to use soil that is free of weed seeds and nematodes and be careful not to exceed recommended topdressing rates, as this encourages large (brown) patch disease.

Renovation
Large, bare areas can be replanted by broadcasting sprigs (1 bushel per 1000 square feet), by planting 2-inch plugs every 12 inches, or by sodding. These areas should be kept continuously moist with light, frequent irrigations several times daily until runners develop or sod is well rooted. Over time, irrigation frequency should be gradually reduced, but duration should be increased to apply ½–¾ inch of water.