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. That is because only the seeds that fell on the right part of your yard will take root. Therefore, you end up having uneven grass growth on your over-seeded lawn.
Moreover, overseeding without top dressing leave your grass seeds, on the bare patches, exposed to birds or rodents who can feed on them. Also, not covering your grass seeds makes it difficult for them to establish their roots properly; hence they can quickly die out or grow into low-quality grass.
Why Should You Overseed Your Lawn?
1. Reduce Erosion
Grasses have fibrous and compact root systems that play an essential role in binding together. Therefore, a thickly planted, overseeded lawn holds soil and water where you need them to, precisely at the root zone, thus reducing soil loss and run-offs. That essentially improves your yard’s general health because it can maintain the moisture and nutrients required to survive.
2. Improve Appearance
If you intend to dedicate time and space to a garden, make it desirable. Fill in balding, brown patches, and regions damaged by pests and pets by planting a new batch of seeds. You need to rough up the parts that require attention using a rake, throw your seeds, and maintain the soil moisture till the seeds germinate.
Using a sprinkler with which you can move comfortably enables you to water the target spots. When you establish a dense lawn, however, the size is always appealing. Apart from being pleasing to the eye, it also feels good underfoot.
3. Minimize Risks of Pests and diseases
Keeping your garden healthy is the best way to prevent and fight pests and diseases. The easy change for you to make when you cultivate a healthy garden is watering less frequently for extended periods. It encourages a well-developed, healthy root system.
Better still, overseeding can be a solution. If your yard has a history with certain pests, you do not need to use chemicals; instead, look for seed types that do well in your area. Select seeds that are highly disease-resistant and require the least amount of water. Additionally, you can mix lawn daisies with grass seeds. They attract beneficial insects and support pollinators.
4. Increase Thickness
Right timing in serving the seeds with the correct amount of water turns a thinning lawn into a magnificent stretch of green. You will observe that your grass is no longer countable but structure a verdant surface. It becomes more durable and withstanding foot traffic and plays, together with environmental stress and natural weathering.
5. No Chemicals Needed
Maintaining a robust, healthy garden means you do not need to use pesticides or chemical fertilizers to solve problems. When you apply techniques like overseeding and correct watering to keep your garden healthy, pests do not have a chance to take hold.
When is the Best Period to Top-Dress?
The most appropriate time for you to top-dress your garden is when it’s actively growing, and you are moving into the prime growing conditions.
For cool-season grasses, early fall or late summer is best.
In as much as fall is said to be the appropriate time to seed your garden, be careful. In some parts, if you wait till fall, the cool temperatures will hinder germination. For warm-season grasses, the appropriate time for you to top-dress is in the early summer. That is when warm-season grasses start to take off.
How do You Top Dress and Overseed your Lawn?
There are simple steps you can follow in top-dressing and overseeding your lawn.
1. Preparation for Top Dressing
Topdressing is meant to enrich the soil for grass to grow thicker, greener, and healthier. The goal is not to suffocate the grass but to add a thin enough organic material layer to enable grass to pass through and continue growing.
Before top dressing the lawn, take time to cut out weedy sections using a shovel to encourage a uniform look when the grass grows. That also helps reduce competition. Also, when top dressing, you can level the uneven dips made while removing weeds.
For easy raking of the top dressing through the grass, trim your lawn to approximately an inch high. It is also the best time to use an aerator to enable oxygen to penetrate the soil as it breaks any thatch.
2. Add a Top-Dressing Mix
Different grass types have distinct nutritional requirements. Therefore, you don’t always have to go for the most expensive topsoil or compost you can find. If you intend to level your garden without spending much, apply coarse sand. Alternately, you can combine coarse sand with compost or topsoil to cover a larger area at a lower price per square foot.
To ensure you get a top dressing with sufficient nutrients for your grass, go for soil test analysis in the nearby extension office; once you have selected the right top dressing, empty the bags or deposit your wheelbarrow loads around the lawn. Using a garden rake, pull the top-dressing outwards from the piles, on all sides.
Have roughly a quarter of an inch thick of the top dressing throughout the yard. If you see dips, level them out by adding a thicker layer of sand, compost, or soil and tamp it.
3. Add Grass Seeds
Should you overseed after or before top dressing?
Do it after.
That allows seeds to get enough sun for germination.
Select seeds similar to the already growing ones in your garden for uniform height and color. Use a push or hand-held broadcaster based on your lawn size. Apply your seeds at the advised rate indicated on the label, and ensure you cover the whole lawn, even the areas already doing well.
It’s recommended to water your lawn once or twice a day after reseeding until the seedling reaches the existing grass’s height. Maintain minimum traffic until you no longer need to water the seedling every day.
Well, now you know that you can overseed without top-dressing, but the results won’t be as thrilling as the ones overseeded with top dressing. Therefore, it’s advised to do top dressing before overseeding for a healthier and beautiful lawn.