When should I overseed my lawn in Michigan

In Michigan, experts agree that early fall is the best time to overseed. Soil temperatures are still warm, which is optimal for seed germination, and cooler air temperatures will encourage growth.

When should I overseed my lawn in spring in Michigan?

The best time to reseed is when the soil has warmed up, but there still isn’t much competition from crabgrass and weeds. By seeding at this time, you ensure that the grass seeds can germinate early and grow into lush, sturdy grass.

When should I seed my lawn in the spring?

Spring seeding is your second best option for planting cool-season grasses. Aim to seed early in the season, but wait until daytime temperatures are in the 60 to 75 degree Fahrenheit range. This roughly corresponds to the optimal soil temperatures for cool-season grass seed germination.

When should I plant grass seed in Michigan 2020?

In Michigan, grass plantings in early fall (late August to early October) produce the best results. The warm soil temperatures and cooler air temperatures are ideal for seed germination and seedling growth. Mid to late spring is the next best time to plant, but not beyond mid-June.

Is it better to overseed lawn in spring or fall?

Fall is the best choice. The soil is still warm which means the seed will germinate faster. Also, weed growth tapers off after summer, so your new grass won’t have to compete for sunshine, water, and nutrients. Overseeding in spring is the next-best option.

When should you fall overseed?

Hands down, early 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.

Can I plant grass seed in April in Michigan?

Timing: Late summer and early fall plantings produce the best results in Michigan. … Spring is the second best time to seed turf grass, beginning in late spring or early summer but no later than June 15.

Can I grass seed in April?

So yes, you can plant cool-season grass in spring, and you should shoot for April if you’re doing so. But, your lawn will have a much better chance at survival if you wait until later in the year.

Can you overseed in November?

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. … Dormant seeding is done to save time in the spring and to save waiting until the ground warms up to prepare the soil.

Is March too early to plant grass seed?

In nearly all regions, March is too early to plant grass seed. Temperature is a better barometer; wait until days average about 80 degrees before planting grass seed for summer. March is too late to sow cool-season grasses.

Article first time published on

Is it too early to put down grass seed?

Sow grass seed once the danger of frost has passed. Grass seed needs the correct soil and air temperature, as well as moisture content, to sprout. Planting it too early in the spring can result in less-than-ideal germination, because the seeds can die off or become unproductive.

Do I fertilize or overseed first?

Stop fertilizing for at least a month before overseeding. The fertilizer makes your grass grow faster, which makes it harder for the new seeds to take hold. Identify your grass type or the type of grass you want to grow, so you can manage it appropriately.

How long after aerating Should you seed?

Within 48 hours after you aerate you should over seed, fertilize, and water your lawn. 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.

How do I prepare my lawn for overseeding?

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.

Can you overseed in December?

Grass seed can survive the winter, and planting during the winter season is known as dormant seeding. If you put down grass seed in November or December, the seed will just lay dormant until the soil starts to warm in spring. While this comes with risks, it can also be beneficial and save you time on seeding in spring.

Should you dethatch before overseeding?

Dethatch or aerate before overseeding? Both aerating and dethatching are recommended before overseeding because they improve grass-to-soil contact for proper germination. In most cases, you’ll only need to dethatch to remove the debris that is covering the soil and preventing grass seed from germinating properly.

Will grass seed grow in December?

yes, absolutely! Here we answer a few of the questions you might have about sowing grass seed in winter… How cold is too cold for grass seed? If soil temperature drops below 9 degrees, it can get too cold for regular grass seed to grow.

Can new grass seed survive a frost?

The easy answer is that frost will not kill grass seed, but that does not mean that you should plant grass seeds when there is danger of frost. While the seeds will survive until the next growing season, any seeds that sprout into seedlings will not.

Can I reseed in the spring?

Fall is the best time to introduce new seed into an existing lawn of cool-season grasses. But, depending on your grass type, overseeding in spring can yield good results, too, if it’s done early enough in the spring to give seedlings enough time to mature before the onset of the summer heat.

Can you plant grass seed in May?

In many cases, planting grass seed in summer is not preferable, considering that many popular grasses are warm-season grasses. For these types, planting grass seed in May or around May is the last opportunity. However, there are many types of cool-season grasses that can be grown after the middle of May.

Can I sprinkle grass seed on my lawn?

Can you just sprinkle grass seed on top of your existing lawn? While it’s possible to simply sow the new grass seed over your existing lawn, taking the time to prepare your lawn beforehand will increase the likelihood of seed germination and improve your end result.

What temperature can I plant grass seed?

They grow most actively when air temperatures are warm, between 70 and 90 degrees F. In addition, seeds need warmer soil temperatures than cool-season grasses to germinate (ideally between 65 and 70 degrees F).

What temperature should I plant grass seed?

Grass seeds germinate based on the temperature of the soil surrounding them. Cool-season grass seed germinates when soil temperatures are in the range of 50–65℉ (10–18℃). Warm-season grass seed grows strongly in soil temperatures of 65–70℉ (18–21℃).

Should I soak grass seed before planting?

Place the grass seed in a porous material. … Soak the seed in water for 3 to 5 days. Bluegrass should be soaked for 5 days. Make sure all seed is wetted.

Can you put grass seed down in June?

Grass seed is best sown from late summer to mid-autumn; there is less competition from weeds, and the soil is warm, and damp from rain. … Don’t attempt to sow in summer – it’s unlikely you’ll be able to give the lawn enough water to prevent it from shrivelling up and dying.

When can I cut grass after overseeding?

How long should you wait to cut new grass? You should wait to cut new grass until at least 2 to 3 weeks after overseeding your grass before mowing. This will give new roots sufficient time to spread and develop.

Can you overseed too much?

Ignoring recommended seeding rates Using the proper amount of seed for your project influences success, whether you’re starting from scratch or overseeding an existing lawn. … Too much grass seed causes undue competition for resources such as light, water and nutrients, and grass seedlings struggle as a result.

Can you put seed and fertilizer down at the same time?

When seeding a lawn, you should never apply the fertilizer and seed together. This can cause an uneven distribution of the materials resulting in patchy areas or seedlings burned by excess fertilizer. It is best to spread the fertilizer just prior to planting the seed.

Is aeration overseeding worth it?

The aeration gets rid of compacted soil and thatch, which means the roots can get everything they need to grow and overseeding ensures there is plenty of grass growing to cover the lawn and ensure it looks thick and green.

Is aerating your lawn worth it?

Is lawn aeration necessary? Almost all lawns will benefit from aeration, and a great lawn demands it. That said, most lawns do not need it. Lawns suffering from heavy foot traffic, excessive thatch (>1 inch thick) or grown on heavy soils will benefit most.

Do I need topsoil for overseeding?

When overseeding, use compost, not topsoil. Compost provides more nutrients and moisture than topsoil. Compost breaks down to increase soil performance. Topsoil will not provide the optimal habitat for grass seeds and it won’t break down over time, leading to an unsightly, dirty yard.