can i lay st augustine over existing grass

The sod needs to be in contact with soil. I looked everywhere for St. Augustine grass seeds...and was told you CAN'T GROW St. Augustine from seed? Gardeners enjoy this grass type for its compressed grass blades that contribute a dense texture for lawns. St. Augustine grass grows quickly with stiff, coarse blades. ... don't lay the grass squares directly on the area treated with RoundUp unless you put in … Plant St. Augustine grass during summer. “All sod must make soil contact to root,” she points out. Thanks! April and May would be excellent months to lay sod or plant plugs to establish a new lawn or repair damage done to a St. happiness April 24, 2019 at 1:15 pm. Lawn diseases. St Augustine is a spreading grass and will fill in within a month. After 2 weeks, you can till the ground and lay your sod. Generally, St Augustine has no problem completely overrunning and dominating a Bermudagrass lawn in a short time (1 2 years), even in full sun. St. Augustine grass is usually dormant during the colder winter and fall seasons. If you lay sod on existing lawn it will die a rather quick death, killing the lawn underneath as well. St. Augustine is considered a bit more invasive than the other warm season grasses so it may not be permitted by your HOA. Shade Tolerance of St. Augustine Compared to Bermuda Grass. Its broad, flat leaves grow dense and turn into a thick carpet of grass. While you can purchase a pallet or a half-pallet of St. Augustine grass, keep in mind that a full pallet is 450 squares of grass. Sod grass requires soil contact in order to thrive. But can’t I lay sod over my existing grass? The next door neighbors had part of their yard resodded professionally and the landscapers simply put the sod over existing grass, it seems to have grown in fine-- but maybe i missed a step they took? We will rake off the loose grass. I’m afraid not. MOWING ZOYSIA GRASS. If it’s mostly topsoil, then you probably won’t have a problem. You can do your yard all at once or in sections as long as you leave a gap … Spring is the second best time to lay sod and is the preferable time for warm season grasses such as centipede, zoysia, bermuda, and St. Augustine that become dormant in the winter. Lawns laid with St. Augustine sod are full, lush and green, if maintained properly. Don’t Lay Sod Over Mulch. 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.? Would we have to level the lawn with new dirt first and then plant new sod? You can't simply lay sod on top of grass without doing proper preparation. “You really need soil to soil contact, in order for the roots to establish. Being a warm-season turfgrass, St. Augustine grows best during summer. If you live in a region where St. Augustine is especially happy, you may be able to use Bermuda to your advantage. St. Augustine sod usually comes in rolls for larger areas or … The best way to add topsoil to your lawn without damaging your grass is to topdress the lawn with topsoil that matches the lawn's native topsoil. The new grass never rooted. If you want to plant some, wait until the spring or early summer, then spray a glyphosate weedkiller over the planting area to protect the plants from competing grasses. Click to see full answer. I know that St Augustine is a really hardy grass that will just take over an old lawn if you plug it. 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 … All they did was mow their existing Bermuda grass almost all the way down to the ground (lowest blade setting on a mower), and then plopped St. Augustine sod over the freshly scalped Bermuda. Begin mowing at 2 inches (50mm) height as soon as grass or weeds can be cut. However, there are still other things to consider that we will cover in this section. St. Augustine grass is prone to some diseases such as brown patch disease, gray leaf spot, and take-all root rot.. Brown patches of dead grass usually start appearing during fall and spring when the weather is warm and humid. OK, so I found Bahai Grass. St. Augustine is a much wider-blade grass that also enjoys full sun but has the highest shade tolerance. Hankhill is correct you can favor the existing St Augustine over the Bermudagrass by cutting high (3 +), and irrigating the mix until the St Augustine takes over. 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. If it’s mostly wood chips, you probably will. Using a glyphosphate like Round Up you can spray your existing lawn, and sod over the dead grass. 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