A more long term solution for getting past the problems of growing Saint Augustine grass on sandy soils is to replace the layer of topsoil on which the Saint Augustine grass will be growing for its entire lifespan. In most cases these products will be of temporary benefit in nature and will not provide a good long term solution to having a new St Augustine lawn being grown on poor sandy soils. … Unlike some turfgrass, St Augustine is best … Water the Ground. The top dressing mixture is sold in bags at lawn care and garden stores, or high quality rich garden soils can be purchased in bulk supplies. Thanks for visiting, I hope some of these lawn care tips may be of use on your own home lawns. St Augustine grass grows satisfactorily at a pH range from 5.0 to 8.5, but develops a chlorotic … If your St. Augustine turf is dying because of poor soil quality, the solution is … Then of course having the new soil delivered and instaled. Such products will usually be organic in nature, things like blood and bone, seaweed products, soil improvers based on animal manures etc. A good place would ideally be between 5.0 … About three weeks ago the customer had us come in a rake out all the dead stolons and matted dead portions. Do not use this organic top dressing mixture to level uneven lawns. If using fresh manure products, then it would be best to leave the improved soil bare for some time prior to installing new sod, as this would greatly benefit the soil itself, as well as breaking down the strongest components of the manure into the soil, and prior to the laying of the sod. The Best Fertilizers for Alkaline Soil in St. Augustine Grass. So if topsoil replacement is not viable or is otherwise unwanted, then some other type of soil improvement would be far better than doing nothing at all. Begin fertilizing 3 weeks after the grass turns green and whe… The sand or soil is then levelled and watered into the Saint Augustine lawn. In its place we will then lay new sandy loam from the soil supply shop. If you are looking for a selective weed killer for a large lawn, … St. Augustine grass is best suited to warm-arid regions such as Florida and the Gulf Coast region. Either soil improvement or soil replacement. Deeper and large area indentations which may be more than 3 inches in depth should not be top dressed. Uneven Saint Augustine lawns should be top dressed with either a sandy loam soil or a clean free flowing sand with none or only minor organic material. Instead, a spade should be used to lift up the affected lawn area, and the top dressing sand or soil placed underneath the turf to achieve most of the leveling. Thoroughly water the area … Hello. Uneven Saint Augustine lawns should be top dressed with either a sandy loam soil or a clean free flowing sand with none or only minor organic material. It is not at all tolerant of cold temperatures, and … Covering many different lawn care topics relating to most aspects of lawn care practices for St Augustine grass lawns. Website Virtual Tour Directions. 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Preparing the soil at the onset of Winter, and then laying the new sod at the beginning of Spring would be a wonderful way to do this. This height reduction should be done just before the lawn greens up, which usually occurs during late April or early May. Unhealthy Saint Augustine lawns will be weak and can develop bare patches and invasions from weeds and diseases. All these things are fine, and the only products we would really want to avoid would be fresh manure products, which could in fact cause major health problems for the new sod after its laid, due to the strength of the nutrients the new turf is being exposed to. Bitterblue grass is a finer, denser St. Augustine grass. Afterwards we filled in the bare spots with "filtered" topsoil … This method of top dressing lawns involves putting down a thin layer of organic soil mixture. First to Tamie. St. Augustine is a good turf grass for hot, humid, coastal climates with sandy soil. 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