Home Improvement

What is the best month to overseed your lawn?

fallearly fall is the best time to overseed your lawn. The absolute sweet spot for most northern regions of the U.S. is August 15 to September 15. That’s when daytime temperatures are still warm enough to encourage growth and nights get cooler, giving new seedlings a break from the heat.

What is the best month to aerate and overseed?


The undisputed best time of year to aerate and seed a lawn is in the fall. Warm soils, cool nights and dying annual weeds make fall conditions the ideal time for aeration combined with overseeding as well as general lawn seeding. Unlike fall, spring soils are cold and packed full of dormant weed seeds ready to grow.

What temperature is best for overseeding?

about 60 to 75°F

Overseed at the right time
Cool season seeds germinate when air temperatures are about 60 to 75°F, and when soil temperatures are about 50 to 55°F.

What is the best time to aerate your lawn?

You want to aerate the lawn when your grass is in its peak growing period so it can recover quickly—think early spring or fall for cool-season grasses, and late spring through early summer for warm-season grasses. If you have high-traffic areas or heavy clay soil, you will want to aerate every year.

What is the best seed for overseeding?

  • BEST OVERALL: Scotts Turf Builder Grass Seed All-Purpose Mix.
  • RUNNER-UP: Scotts Turf Builder Grass Seed High Traffic Mix.
  • MOST DROUGHT-TOLERANT: Jonathan Green 10316 Black Beauty Grass Seed.
  • BEST FOR SHADE: Scotts Turf Builder Grass Seed Dense Shade Mix.
  • When should I overseed in spring?

    Homeowners and lawn care enthusiasts who live in the South should overseed their lawns from late spring to mid-summer. This is the best time to overseed lawn in the southern states because warmer-season grass requires warmer soil temperatures for germination to occur.

    Should I seed or aerate first?

    The seed, fertilizer, and water will have the best chance to get down into the holes made by the aerator if applied soon after aeration. If you plan on doing this, make sure you use a starter fertilizer that’s appropriate for your grass and growing conditions that does not contain any weed control.

    Can you overseed in December?

    You can overseed at almost any time of the year for a fraction of the cost of a complete reseeding. There is no risk of erosion from sudden downpours, and it’s faster, neater, and less expensive than starting from scratch.

    How do you prepare for overseeding?

    Mow Low. Before overseeding your thin lawn, cut your grass shorter than normal and bag the clippings. After mowing, rake the lawn to help loosen the top layer of soil and remove any dead grass and debris. This will give the grass seed easy access to the soil so it can root more easily after germinating.

    What is the best way to overseed a lawn?

    How to Overseed a Lawn in 8 Simple Steps

    1. Supplies Needed to Overseed a Lawn.
    2. Step 1: Dethatch and Aerate the Lawn (If Necessary)
    3. Step 2: Mow the Lawn Short.
    4. Step 3: Rake to Remove Debris.
    5. Step 4: Add Enriched Topsoil.
    6. Step 5: Spread the Grass Seed.
    7. Step 6: Fertilize the New Grass.
    8. Step 7: Water Your Lawn Generously.

    Will grass seed grow if I just throw it down?

    Will grass seed grow if I just throw it down? Probably not. Some seeds on the soil’s surface will sprout, but the germination rate will diminish, and you will not be left with ideal results.

    Does overseeding help with weeds?

    Overseeding contributes to a thicker lawn. Bare spots that have been overseeded with grass are less prone to weed invasion. Lawns thickened by overseeding prevent weed seedlings from receiving sunlight and nutrients, smothering them. Regular overseeding maintains a thick, weed-resistant lawn without herbicides.

    Should I put topsoil over grass seed?

    You can add a thin layer of organic matter to help the seed to germinate, but do not cover it over with top soil. ‘Never put topsoil over newly planted grass seed,’ says Yamaguchi. ‘This won’t provide healthy growing conditions – it will actually prevent the seedlings from sprouting by essentially suffocating them. ‘

    Can you use too much grass seed?

    Ignoring recommended seeding rates

    Don’t overdo or cut corners. Too much grass seed causes undue competition for resources such as light, water and nutrients, and grass seedlings struggle as a result.

    How often should grass seed be watered?

    Normally a lawn should be watered deeply but infrequently, but when you are watering for new grass seed, you must water every day. Set automatic timers for about 5 to 10 minutes, early in the morning, and again at mid-day. Watering done by hand or hose-end sprinklers must be consistent and evenly applied.

    When should I top dress my lawn?

    The right time of the year to top dress your lawn

    You must top dress in the growing season, NOT in winter. It is usually best to top dress in spring or as soon as you have reached your regular weekly mow. The earlier in the growing season the better. Generally late spring to early summer is best.

    Can you overseed without top dressing?

    Yes. With sufficient warmth and moisture on your lawn and the seeds are in contact with soil, they will germinate. However, the germination rate will lower significantly.

    Can I put topsoil over grass and reseed?

    Spreading Topsoil

    In most cases, a lawn can withstand the addition of a soil layer that is only 1/4 to 1/2 inch thick. You can spread topsoil evenly and accurately over the lawn by using a drop-spreader, or you can spread topsoil simply by flinging it with a shovel.

    Do you overseed before top dressing?

    The rule of thumb is to overseeded after top-dressing your lawn. Spread the topdressing material uniformly at a depth of ⅛ or ½ inches for a better germination rate. Then, overseed with 25-30g of grass seed per square meter at a depth of 0.25 inches.

    What is the best top dressing for lawns?

    Compost, sand, and topsoil are the best topdressing materials for lawns. Sand, for example, is a great topdressing material for a bumpy lawn. It smoothens and levels the ground while improving the soil’s drainage, which gives a big boost to the growth of grass.

    How do you fix a rough lawn?

    How to Fix a Bumpy Lawn

    1. Set the lawn mower to a low or short setting, so the cut grass will be extremely short. …
    2. Rake the lawn with a garden rake to remove thatch, a layer of living and dead plant matter directly on top of the soil. …
    3. Apply scoops of fresh topsoil to low areas of the lawn using a shovel.

    Is top dressing the same as topsoil?

    Top dressing is the application of ‘topsoil’ which is loam – a mixture of clay, sand and silt. It is used to improve soil quality, level out areas and improve drainage and as a part of a regular lawn maintenance programme.

    How do you fix a bumpy bumpy lawn?

    The lazy way is to just fill in the lumps, just like that. Get some soil from elsewhere in the garden, a cane to check the levels, and then fill in the gaps. Leave it a few days then top it up when it sinks. You could then sow with fresh seed, or you could just let the grass grow up and through.

    What’s the best sand for top dressing lawn?

    The best type of sand for topdressing is one with a medium particle size which is neither too fine nor too coarse. And it needs to be lime-free, so sea sand won’t do. This type of topsoil is good for smoothing and levelling the lawn’s surface and also helps improve soil composition.