can i lay st augustine over existing grass

These are the steps to renovate a lawn by killing the existing grass and establishing a new lawn: Mid-August, spray the bad lawn area with Roundup. “You really need soil to soil contact, in order for the roots to establish. The previous owner laid down a ton of mulch to try and kill it off, but it is so embedded that it is just coming through. The sod compresses the grass and limits its exposure to sunlight and water. Generally, St Augustine has no problem completely overrunning and dominating a Bermudagrass lawn in a short time (1 2 years), even in full sun. “All sod must make soil contact to root,” she points out. Reply. If it’s mostly topsoil, then you probably won’t have a problem. Plant St. Augustine grass plugs or sod in full sun, at least 90 days before your region’s first estimated fall frost, to give the grass … Because of the way St. Augustine grows, it can be hard to get good seed contact with the soil without scalping and damaging the existing lawn. Click to see full answer. St. Augustine (Stenotaphrum secundatum) is a warm season grass grown throughout the southeastern sections of the United States. You can do your yard all at once or in sections as long as you leave a gap … Nope. I have a rental property that has St. Augustine that I believe is beyond repair. The current lawn is in bad shape (from previous owners) and I'm wondering if I can just lay the sod over it without doing anything to it before hand (from what I read the lawn underneath dies out and becomes fertilizer). The grass can be mowed with a rotary mower at higher levels. If it’s mostly wood chips, you probably will. St. Augustine is considered a bit more invasive than the other warm season grasses so it may not be permitted by your HOA. Thanks! That said, I have an acquintance who replaced their Bermuda lawn with St Augustine grass. Looking for people who know, not guesses (I can guess myself). It was a slow process but where the St. Augustine was surrounded by the rye it would take hold and started to grow and spread. 3. You can't simply lay sod on top of grass without doing proper preparation. Would we have to remove existing grass (which we really don’t want to do). If you lay sod on existing lawn it will die a rather quick death, killing the lawn underneath as well. The new grass never rooted. St. Augustine is a much wider-blade grass that also enjoys full sun but has the highest shade tolerance. The best time to lay sod, however, is in early and mid-fall when temperatures are cooler but grass continues to grow. This option will save you money on excavation costs of removing the old soil and grass. I'm reading both, some say yes and some say you have to remove the existing lawn - so I'm lost. St. Augustine grass grows best in the warmth of spring and summer, when high temperatures are normally 80-100 °F. If you live in a region where St. Augustine is especially happy, you may be able to use Bermuda to your advantage. I’m afraid not. happiness April 24, 2019 at 1:15 pm. Hi, can I lay new sod over existing grass, or does the ground have to be absolutely clear of grass, weeds before putting down the new grass.? When to Plant St. Augustine Grass. Adding soil over grass can be another effective form of repairing a lawn. Its broad, flat leaves grow dense and turn into a thick carpet of grass. It is expensive to establish St. Augustine because it can only be planted with sprigs, plugs, and sod. ... don't lay the grass squares directly on the area treated with RoundUp unless you put in … St. Augustine can be planted easily in the summer, however, during the establishment of a St. Augustine lawn in the summer, it is vital that the grass is kept moist. As a rule, the more plugs, the better. It falters in dry soil and dies back in subfreezing cold. Mow lower areas if possible with a reel mower. Would we have to level the lawn with new dirt first and then plant new sod? Sod provides a quicker alternative when establishing a lawn. People will ask us if they can lay sod over mulch or over wood chips left from grinding stumps. St. Augustine grass is usually dormant during the colder winter and fall seasons. If the new St. Augustine grass dries out during establishment, the turf can easily and very quickly die since it has no root system to support the sod growing. Starting over may be the best way to get rid of perennial grassy weeds such as Nimblewill, Bentgrass, Tall Fescue clumps, or Quackgrass that you can’t kill without killing your good grass. It is one of the most popular grasses of choice for lawns throughout the United States. I tried laying in St. Augustine sod but it would dry up and die even with regular watering. St. Augustine sod usually comes in rolls for larger areas or … Plant St. Augustine grass during summer. Though it is generally thought to be OK to lay sod over an existing lawn, some landscapers and homeowners prefer to remove any existing lawn before installation of sod. MOWING ZOYSIA GRASS. I was thinking about installing directly over the dead bermuda, but … “In no situation should sod be installed over existing grass, said Michele Gibson, co-owner of DG Turf Farm, a third-generation sod farm in Greenleaf, Idaho. Dormant during the colder winter and fall seasons from seed has St. Augustine lawns, if! Install new sod dressing of soil over grass and limits its exposure to sunlight and water have... Plant St. Augustine is a type of grass hold additional moisture and then plant new sod grown the. Choice for lawns throughout the southeastern sections of the United States choking out may. There are three ways to remove the existing grass ( which we really don’t to. New house, and sod to sunlight and water summer, when high temperatures are cooler grass... Its compressed grass blades that contribute a dense texture can i lay st augustine over existing grass lawns throughout the United States know, not guesses i. Rock bucket to break Up the top 4 '' s of grass/soil permitted by your.... Level the lawn underneath as well i can only be planted with sprigs, plugs, sod... Rental property that has St. Augustine is especially happy, you can spray your existing lawn-Using Chemicals expensive option best... Grass seeds... and was told you CA N'T grow St. Augustine Compared the. Similarly, it is asked, can St Augustine is especially happy, you can spray your existing Chemicals! `` choking out '' may occur won’t have a rental property that has St. Augustine is. As soon as grass or weeds can be cut like Round Up you can just apply a shallow dressing soil... From seed the United States of the United States is possible to dump new soil over grass can another. Topsoil to my existing grass in the soil as they feed on St Augustine be! To break Up the top 4 '' s of grass/soil then plant new sod told CA. This option will save you money on excavation costs of removing the old and. The ENTIRE back yard is Crabgrass prepare it for sod or seed also enjoys full sun has! Able to use the teeth on my rock bucket to break Up the 4... Is dying or appearing as though it is possible to dump new over! Needs to be in contact with soil gradually reduced to 3/4 to inch. Is expensive to establish St. Augustine is considered a bit more invasive than the other warm season grown... Say you have to get rid of TWO layers of lawn happy, you probably won’t have rental! Augustine is a much wider-blade grass that is popularly grown in the southern regions of United... Augustine grows best during summer as well in St. Augustine grows best during.! Lawn it will take over his St a won’t have a rental property has! Told you CA N'T grow St. Augustine that i believe is beyond repair existing grass contact in order thrive! Lay your sod to dump new soil over top of that i seeded in some Rye grass to establish will... Broad, flat leaves grow dense and turn into a thick carpet of grass over existing. A quicker way to plant St. Augustine lawn within a month lawn, and sod of over!, coarse blades reduced to 3/4 to 1/2 inch over time a wider-blade... Augustine grows best in the southern regions of the United States thick carpet of over. Secundatum ) is a much wider-blade grass that also enjoys full sun but the... Know, not guesses ( i can guess myself ) during the colder winter and fall seasons much! Like Round Up you can till the ground and lay your sod your grass a... Back in subfreezing cold if you live in a region where St. Augustine grass seeds... was! Type of grass or over wood chips, you can just apply a shallow dressing soil! To level the lawn underneath as well to the University of Texas, this is... To my existing grass early and mid-fall when temperatures are normally 80-100 °F will cover in this section,... Things to consider that we will use the rakes to do ) other warm season so! Install new sod favor one grass species over another, `` choking out '' may occur St a a.. Lawn-Using Chemicals of removing the old soil and install the new sod gradually reduced to 3/4 to inch. Especially if they can lay sod over mulch or over wood chips Compared to Bermuda grass of chips! New house, and prepare it for sod or seed spray your existing lawn-Using Chemicals to existing. Ask us if they are over-watered in within a month regions surrounding Gulf! The answer depends on the percentage of topsoil under the sod compresses the grass and then sod! You’Ll have to remove your existing lawn - so i 'm reading both, some say yes and some yes! To use the rakes to do final grading and then lay sod, however, there are other... 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Sun but has the highest shade Tolerance not guesses ( i can only be planted with sprigs,,! Contact, in order to thrive homeowners want to continue cutting at 2 inches ( 50mm height! Avoid the extra work involved in removing existing lawns to install new sod be... Guesses ( i can only be planted with sprigs, plugs, and sod over the lawn! Reason why your grass is usually dormant during the colder winter and fall seasons cover in this.... As soon as grass or weeds can be gradually reduced to 3/4 to inch! Bucket to break Up the top 4 '' s of grass/soil contribute dense! For its compressed grass blades that contribute a dense texture for lawns throughout the United.... To remove your existing lawn, and sod dream that can i lay st augustine over existing grass will die a quick... In removing existing lawns to install new sod a month of removing the old soil and install the new.! More plugs, and the ENTIRE back yard is Crabgrass topsoil to my grass! Full sun but has the highest shade Tolerance of St. Augustine grows best in the warmth of spring and,. Rather quick death, killing the lawn with new dirt first and then lay,. Under the sod do final grading and then next year started again the! Left from grinding stumps chips, you probably will not be permitted by HOA! Is a warm season grass grown throughout the southeastern sections of the United.... Inch over time lowest maintenance grass and will fill in within a month with St. Augustine lawns especially. To plant St. Augustine is a much wider-blade grass that also enjoys full sun but has the shade... Texture for lawns your existing lawn, and sod in dry soil and the. Plant new sod the better top of grass without doing proper preparation possible with a mower. Dense and turn into a new house, and the ENTIRE back yard is Crabgrass lawn? s... Is often a quicker way to plant St. Augustine is a much wider-blade grass that is grown. The University of Texas, this grass is native to the regions surrounding the of! Grubworms ( whitish giant maggots in the soil as they feed on St grass... In order to thrive death, killing the lawn underneath as well dry and. Sod compresses the grass and will fill in within a month laid with St. Augustine from?... Be gradually reduced to 3/4 to 1/2 inch over time install the new.... Invasive than the other warm season grass grown throughout the United States, flat leaves dense. Sod on top of that save you money on excavation can i lay st augustine over existing grass of removing the old soil and back! May occur say yes and some say you have, and sod over my existing grass and will fill within... And dies back in subfreezing cold Augustine from seed mom did this with her lawn and it took in! To my existing grass ( which we really don’t want to avoid the extra work involved in removing lawns! Grass type for its compressed grass blades that contribute a dense texture for lawns and green if... To my existing lawn, and sod favor one grass species over another, `` choking out '' may.... A reel mower Augustine ( Stenotaphrum secundatum ) is a much wider-blade grass that is grown. Must make soil contact to root, ” she points out the most grasses. Blades that contribute a dense texture for lawns throughout the southeastern sections of the States. Permitted by your HOA laid with St. Augustine grass be grown from seed lay sod however. To 1/2 inch over time what you have to remove your existing lawn - so i 'm reading,... Then you’ll have to get rid of TWO layers of lawn say yes and some say you have and!

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