When should you plant grass
Sophia Edwards
Published Mar 09, 2026
Generally speaking, you can plant grass seed any time of the year, but fall is the best time to seed a lawn with a cool season turfgrass variety. Spring is the best time to plant warm season turfgrass seed.
What month is best to put grass seed down?
Plant cool-season grass seed in late summer or early fall (when daytime temperatures lower to about 60 to 75 degrees) for best success. September is typically the best month, although you might be able to get away with seeding as early as mid-August or as late as mid-October; it all depends on the forecast.
Will grass seed grow if you just throw it on the ground?
The simple answer is, yes. Beyond just throwing the seed out into the lawn and not performing any grass maintenance there is a whole world of lawn care. … Basically the grass will not grow if no grass maintenance has been completing prior to planting and it is just thrown on the ground.
When should I plant grass seed in spring?
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. Spring sunshine and rain both contribute to strong grass growth.What temperature is too cold for grass seed?
If you’re wondering how cold is too cold for grass seed germination use our rule of thumb and check the weather reports. If the daytime temperature is below 60°F then soil temperature is below 50°F, making it too cold; if there is frost or still a danger of frost, then it’s too cold.
Can you sow grass seed in March?
For best results, lawn seed should be sown in spring (from March to May) or early autumn (September to mid October), when the soil is moist and warm. Before laying a new lawn, take some time to think about the part it will play in your overall garden layout.
Is mid may too late to plant grass seed?
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.
Is it OK to overseed in the spring?
There are two ideal times of the year to overseed your lawn – fall and spring. Fall is the best choice. … 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.How do you plant new grass in spring?
- Put half the grass seeds in a drop or broadcast spreader. …
- Turn the rake so the tines are facing up. …
- Cover the ground with a thin layer of mulch made from wheat straw, if your lawn is uneven and prone to erosion. …
- Water the lawn lightly each day until the grass is 2 inches tall.
You don’t need to turn the topsoil over. Just break it up so the new grass seeds’ roots can easily grow through. If you just have a small area to seed, a digging fork will do the trick. For larger areas, consider a core aerator.
Article first time published onDo birds eat grass seed?
Sparrows, finches, buntings, pigeons, even parakeets — these are just a few of the seed-eating birds you’ll have to watch out for. The best time to sow grass seeds is in late summer through to mid-autumn. At this time of the year, birds should have plenty of wild seeds and berries to feast on.
How do I prepare my lawn for seeding?
Remove all debris and any wood, stones or large roots. Use a spade and garden rake to scratch the soil 1 to 2 inches at the surface, then dig about 6 inches deep to remove roots and rocks. Add seeding soil to the top of your existing soil and smooth with the rake.
What grass seed can I plant now?
When To Plant Grass SeedStateBest Time To PlantBest Type of GrassCaliforniaEarly Fall & Late Spring/SummerFine Fescue/Bermuda, St. AugustineColoradoEarly Fall & Early SpringKentucky BluegrassConnecticutEarly Fall & Early SpringKentucky Bluegrass, Rye, Fescue
Can grass seed grow in 40 degree weather?
Will Grass Grow in 40 Degree Weather? Although some mature cool-season grasses will not enter full dormancy until soil temperatures reach 40℉ (4℃), growth will slow to almost a complete stop by this point. Cool-season grass seed cast in 40-degree weather likely won’t sprout.
Can you plant grass seed in 40 degree weather?
We dormant seed when the weather will be consistently cold, under 40 degrees. December and January are ideal. The cold weather allow for the seeds to lay dormant in the soil, waiting for temperatures to warm up, usually in late March. August and September are still the best months to seed.
Is it too late to plant grass seed in April?
Stressful summer heat could slow or completely stop the growth of cool-season grasses. Warm-season grasses, on the other hand, are meant to be planted in late spring or early summer. So yes, you can plant cool-season grass in spring, and you should shoot for April if you’re doing so.
Can you plant grass seed in late spring?
Planting in late spring and early summer gives warm-season grasses the advantage of warm soil and early seasonal rains, which help keep soil moisture available during germination and establishment. … As with cool-season grasses, best warm-season planting times vary by location.
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 I put grass seed down 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. Once spring arrives, the seeds will sprout and grow normally.
Can I plant grass seed 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.
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.
Can I mow after overseeding my lawn?
6. You mow too soon. After you lay down your seedlings, they’ll need time and the right environmental protection to grow. They’ll need to acclimate and set roots before the first mow, so during the first two to four weeks post aerating and overseeding, don’t mow.
Do you aerate before seeding?
As with most larger lawn projects, such as planting grass seed, it’s best to aerate during or right before the time your grasses reach their peak time for natural growth. Aeration is good for lawns, but it can stress grass if timed improperly. … Overly dry soil can be tough to aerate, so moisture eases the process.
How long does it take for grass seed to start growing?
Most grass seed will start growing in about 10-14 days, but sometimes it can take up to 30 days. When you’re planting new grass seed in your yard, it can seem like it’s taking forever to start sprouting.
How do you keep grass seed from blowing?
- Aerate the Soil. Prior to seeding your lawn, aerate the soil. …
- Cover Your Grass Seed With Straw. After applying seed to your lawn, cover it with a thin layer of straw. …
- Use a Seed Starter Mat. Another idea is to use a seed starter mat on your lawn. …
- Check the Runoff.
Do mice eat grass seed?
Not only do mice like grass seed, but they often prefer seed over other forms of food. … Both house mice and field mice are more than happy to chew through your tasty grass seeds. It doesn’t stop there either. Mice will eat the young shoots as the grass grows, too, so your grass is never really safe.
Do you have to rake in grass seed?
Raking is necessary because the seeds need to come in contact with the soil to germinate properly. Grass seed is typically spread on the lawn using a spreader and this does not ensure good contact between seed and soil. … This is important because a newly seeded lawn will need to be watered at least every other day.
How do you grow grass on hard soil?
- Step 1: Evaluate the Soil. …
- Step 2: Cultivate the Soil. …
- Step 3: Sow the Grass Seed. …
- Step 4: Incorporate Seed Into the Soil. …
- Step 5: Mulch the New Grass. …
- Step 6: Fertilize the New Grass. …
- Step 7: Mow the Grass Regularly. …
- Step 8: Aerate the Soil Regularly.
When should I plant grass seed on my lawn?
The best time to overseed an existing lawn is in spring and autumn, with germination taking 7 to 21 days in ideal conditions. Typical daily temperatures need to be in excess of 13ºC for grass seed germination to be successful.
Should you water grass seed when it's cold?
The colder weather does not evaporate moisture from the lawn as quickly as it does in the warmer weather. Most lawn experts recommend watering your grass until the soil or ground temperature reaches the 40-degree Fahrenheit mark. It is true, less water is required and needed when the temperature drops.
What temperature does grass start growing in spring?
When the ground temperature reaches 55 to 65 degrees, the roots begin absorbing moisture and ground nutrients. When air temperature maintains 60 to 75 degrees, the grass plant begins to grow.