If you throw grass on the ground it will grow, but we would recommend throwing a layer of mulch or soil over the seeds that helps promote growth. If I were going to leave the old grass, I would at least till it into … You may have to use an activated charcoal to neutralize the Wait until temperatures get above 65°F during the day and then seed. If you lay fresh sod on top of an existing lawn, you’ve made it very difficult for your new sod’s roots to reach the soil bed. Seeding a lawn is a simple process when you follow best practices, Seed allows great flexibility in choosing grass varieties to match your growing conditions and complement your environmental and ecological values and desires. being the key word). These patches look great initially but are eventually thinned out by turf disease. are created when the work you are doing is not working with the existing You can reseed the dead areas, though they may only have gone dormant from the heat stress over the summer. sod stripper. effects of the pre-emergent. To increase your chances of success, sprinkle a layer of sand over the grass seed to help it retain water. soil. Make sure you have This will allow the warm weather grasses to get the benefit of warm temperatures that come with summer while giving them time to become established prior to cooler weather in … grass will through your soil. We're rebuilding our site. Depending on the size of the concrete you wish to cover, topsoil can be costly and impractical. Blending lawn requires patience. If the lawn contains holes, spread topsoil to fill in the depressions and then level it with a rake and apply grass seed over it. You can help reinvigorate your lawn by overseeding. Dormant Seeding. Through dormant seeding, grass seed can be planted in November when the weather is cold enough to keep it dormant until the weather warms up in the spring. Depending on what area you are in, the grass just may be dormant. The best time to seed in Minnesota is late summer (mid-August to mid-September). To fill in a depression, you can topdress the lawn several times to build up the soil height over time. The weather, kids, and pets can be tough on lawns. product. breaking down, and providing nutrients to the root system. From the front curb to your lot lines, your new lawn echoes your commitment to this investment and the statement it makes. So, is it possible to seed over an existing lawn area? A good first in spring lawn care involves walking your lawn and noting areas with missing grass or lumps that have formed in the soil under the grass. negative ways. Many people choose Once this is done, you can sprinkle grass seed over the topdressing. When faced with an existing lawn, your first decision is whether to work with what's there or start over. module, pre-emergents will not only prevent weed seeds from germinating, However, get it wrong and even the best quality lawn seed money can buy might not germinate at all. If you want to go over it with a pitch fork then do but you can just put the seed on if you want. Building up new soil can affect drainage in choices. This stresses your new lawn and can result in dead patches. Be patient, as good results for blending grass may Careful monitoring and attention are essential in this phase. Lightly rake allowing about 10 to 15% of the seed to show. Adding soil over grass gave us great success with our lawn Sod limits you to grass varieties sod farmers choose. of removing the old concrete patio. If your grass has died, one option is to lay new turf however, another option is to reseed over the existing sod or turf. No! I wouldn’t want a rotten mat of unhealthy (and possibly diseased) grass underneath my nice new expensive sod. section (Option #3), will talk about sodding or seeding directly on the Once spring arrives, the seeds will sprout and grow normally. involves NO chemicals. When to Overseed. Finished sod carries a higher price tag than comparable grass seed coverage. After that, however, moisture remains an important condition for your grass to … Decomposing Grass: If you’ve ever tried to compost grass clippings, you know that the absence of air causes them to get very slimy and gross. You’ll know if you seeded too heavy when the grass grows in very thick patches. Germination speeds vary between grasses, but newly seeded lawns may need up to 10 to 12 weeks before they're ready for even light foot traffic. As a general rule, if your lawn has less than 40 percent weeds, improving what you have is a viable option. You can buy grass plugs and plant them in the barren areas, but it will look patchy forever and it may be hard to match the new and original grasses. Before laying sod, the old grass and a bit of the old soil … Once you add more than 3 or 4 inches of soil, the amount of weeds We were also repairing some lawn from the equipment damage thick quite easily.). Whether you’re creating a new lawn from scratch or overseeding an existing lawn, understanding when to sow grass seed is just as important as knowing how to sow it. The more complete answer is that one needs to be a little more careful during the seeding process if the area already has lawn or partial lawn. through for a nice smooth blend. Once the soil is spread evenly, turn the rake over and use the tines to lightly comb through the grass. You can also seed in the fall if you miss the window! A layer of old sod will prevent the new sod from developing roots. most amount of soil. A newly seeded lawn needs one full growing season before it's dense, mature and established well enough to withstand vigorous lawn traffic. Simply put, yes, grass seed will germinate if left on top of soil. Lay new sod in the spring or fall for the best results. If you leave any solid clumps, it could kill the grass beneath it. If you put down grass seed in November or December, the seed will just lay dormant until the soil starts to warm in spring. 0 0. Many wonder, “should I put topsoil over the grass seed?” That is a wonderful question and one we know the answer to. You also need to know that your soil contains billions of I wouldn’t want a rotten mat of unhealthy (and possibly diseased) grass underneath my nice new expensive sod. is possible to dump new soil over top of what you have, and prepare it good lawn underneath the 6 inches of quality soil we put down. Deal with old sod. Links to shortened versions of these two modules are at Newly installed sod offers immediate gratification. However, sod is expensive as compared to planting grass seeds but if you look at the expenses of maintaining your turf grass and sod, you may see sod as the cheaper option. Sod roots fastest when laid during the period of peak growth for the type of grass involved. Once sod roots establish, it's ready for normal lawn traffic, including entertaining, play and pets. Adding soil over grass can be another effective form of repairing a lawn. It’s one of the best techniques to use and many have tried and succeeded in achieving a beautiful and healthy lawn this way. Seed can also be used when blending If you put a 6 inch layer of soil down with a layer of sod on You don't want to have water draining off your new lawn Improper timing leads to failed seed or weak grass susceptible to insects and disease. This time of year you will see new growth within days. While this comes with risks, it can also be beneficial and save you time on seeding in spring. If you are planning to cover a large lawn or a turf, it may take a year to fully cover the area, and sometimes even longer. checked out our other repair options as well. buried by only a few inches of soil, we allowed the old grass to grow There is a significant jump in price when you choose to lay sod over seeding because someone else has already taken the time to grow the grass for you. Kill off the existing weeds and lawn with a herbicide, or rent a viewing spot in the yard. Will the hydroseed mixture work even over an area that already contains some grass or other vegetation? blending the new sod with the existing lawn. Removing the old sod will remove the old weeds. However, there are still other things to consider that we will cover in this section. The answer is yes. Until roots establish, seed and soil can wash away or pool in heavy rains and void your efforts. thick mat like this, will kill off almost everything under it. This can be a problem if you are growing The simple answer is that, yes, it can be done. On slopes or areas with erosion problems, sod works as a blanket to help hold soil in place from the start. You can mow your lawn short and seed over top the existing grass. (Almost Carefully examine the lawn for weeds, undesirable grasses and areas that look weak or diseased. Find out how to grow a new lawn or repair the one you have. The reason for roundup is to allow the old sod to be ground up easier by the seeder making an excellent seed bed, but it also allows you to start from scratch and put in exactly the right type of grass seed (go to your extension office for recommendations of type of grass). So, when it comes to sod, tell it to sod off! Because the weed roots can access the soil and the new sod cannot, the weeds will be much healthier than the new grass. The more complete answer is that one needs to be a little more careful during the seeding process if the area already has lawn or partial lawn. soil over grass can be another effective form of repairing a lawn. Thanks, Check out our time and money saving e-book. These are my reasons why: It’s cheaper. If left directly under the new sod, weeds can grow through the new sod. So why and when will you use Bermuda grass sod instead of seed? Effective results may require trained professionals. Rather than controlling weeds with store bought products, get to When you lay new sod, it’s critical that the roots make direct contact with the soil so that a root system can form. Most grass seed can be dropped onto sod to make it thicker and less prone to weeds. If you are not putting down a thick enough layer of Grass & Grass Seed. Sowing new grass seed over your existing lawn is known as overseeding. Putting down grass seed in winter is done in much the same way as putting it down in fall or … When you consider how much soil you sometimes have to add, the Adding soil over grass is also not the cheapest option in lawn and the new lawn by sodding only the sections where we had to add the It's pretty simple to do and works well. There are other A man laying sod grass. In our example, weeds or poor soil was not the Although 4 to 6 inches will kill much of the grass So, is it possible to seed over an existing lawn area? Our rebuilt and blended lawn as it looked the example, we also had to raise sprinkler heads to accommodate the new When to Overseed. Rake out the dead grass on the top of the soil, then loosen the soil and seed. Benefits and Disadvantages of Grass Seed vs Sod. hand pick the weeds if your yard is small. If you want to have the best possible lawn in the Spring then that usually means you have to put down some extra grass seed in the fall but knowing when it’s too late to sow grass seed in your climate is one of the most important things to consider when it comes to timing. All trademarks are either the property of Central Garden & Pet Company, its subsidiaries, divisions, affiliated and/or related companies or the property of their respective owners. but grass seeds as well. repair. The seed bed should be tilled, smoothed and fertilized before the grass seed is laid. Sod is great when you want instant lawn. There is no enough evidence to choose a side on whether you can lay Sod over existing grass. The weather, kids, and pets can be tough on lawns. Watering is critical during seed establishment. Just follow the directions on the back. each. Lightly rake allowing about 10 to 15% of the seed to show. Do not bury the seed … Grass is very hard to kill. Proper fall planting helps, because weeds are less active in fall. Reasons to reseed. You can overseed a lawn in spring or early fall, but fall is the best time because cool, wet weather offers good conditions for grass growth. Get it right and your seed will germinate quickly and grow evenly and reliably. Quality, state-certified sod has few or no weeds. If you use existing clippings from a lawn, this can add much-needed nitrogen to the soil and seeds. ground or grass. Grasses can grow deep and healthy root systems, undisturbed. The sod compresses the grass and limits its exposure to sunlight and water. The seeds will need sunlight, oxygen, moisture and the correct temperature to grow, as long as there’s also soil that it can absorb the appropriate nutrients and moisture from. Patience is a virtue. It's not ready for normal lawn traffic, but it instantly gives the look of finished lawn. sometimes take a year or two to achieve. It depends on the Also called overseeding, sowing grass seed in lawns is part of general lawn renovation, including controlling weeds, improving soil condition and supplying fertilizer. Or, you can remove the sod, fill the depression, then replace the sod and topdress it. Laying new sod can be a quicker way to renovate a lawn than planting new seed. Pride of ownership in your new home doesn't stop where its walls begin and end. You can apply a defoliant like Roundup, then roto-till the yard before putting down the new sod. Renting a sod stripper was not needed in our situation, as we had a While this comes with risks, it can also be beneficial and save you time on seeding in spring. By applying grass seed over an existing lawn, you can help fill in bare spots and reinvigorate your lawn. Sod was used in places where 2 inches or more When you plant grass seeds, the last thing you want is a gust of wind to blow them away before they had the chance to grow. below. As we already stated previously in this Get it right and your seed will germinate quickly and grow evenly and reliably. Some are more harmful than Grass Seed Pros – Advantages of Grass Seed Over Sod (Shelley’s viewpoint) While I’m not opposed to laying sod per se, I feel it is more worthwhile to sow seed when putting in new grass. If you throw grass on the ground it will grow, but we would recommend throwing a layer of mulch or soil over the seeds that helps promote growth. You can help reinvigorate your lawn by … A … If you put down grass seed in November or December, the seed will just lay dormant until the soil starts to warm in spring. This debris can easily be composted or used as a mulch in another area of the landscape. Once grass seed is down, watering it will be your top priority. These alternative methods may not be appropriate in areas that experience a lot of standing water after a rain. Sod can be installed anytime in the growing season, except in very high heat. For those with in-ground irrigation like in our repair, but it may not work for your situation. soil to kill everything underneath, you may have to make some other If you can't raise the level of your lawn because of existing Those risks can pay off with an easy planting season in the spring or it could mean the loss of your seeds if the weather warms up. Make sure not to water daily as it does not promote root growth. any lawn repair. Spread seed at a half rate in perpendicular directions across the site; this will aid in uniform distribution of the seed over the lawn. If soil is too compacted the grass won’t develop strong roots. This allows you to influence and experience every step of your lawn's establishment, from germination and rooting to the development of thick, lush, green turf. If you put down a layer of seed over your lawn in the spring or fall, the thin areas will thicken up, and your lawn will start to look terrific again. Grass & Grass Seed. 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Irrigation like in our example, germination and growth of cool-season grasses favor conditions! Applying grass seed than laying 11 rolls of sod weighing 25 lbs hours of being cut finicky, so was! Lack of water, light and nutrients existing lawn, this is hardly an ideal state for grass as! Kills the already existing grass thinned out by turf disease grasses favor conditions..., top-performing grasses, such as water Star varieties grandad used to do this, early..., fill the holes from aeration higher price tag than comparable grass seed can be easily into! Lawn area of money but grass seeds are vulnerable to competition from weed for. In fall or early spring and into the summer not be appropriate areas. Grass involved tag than comparable grass seed these seeds how long to wait before seeding or sodding,. Crucial in breaking down, the old concrete patio you’ve left behind installation leads to rooting. Brick left on a lawn roller afterward but are eventually thinned out by turf disease billions! Instantly gives the look of finished lawn. ) it 's pretty simple do. To ensure you are getting high quality information and tips a herbicide, or aerating your lawn back life... Insect problems, sod works as a blanket to help repair or thicken the several... Do it to insects and disease options as well, and no two people seem.