when to sow grass seed

Well-kept gardens can make a big difference to a home—especially during the warmth. In this post, we’ll discuss when to sow grass seed as well as some general tips for enhancing the health of your lawn.

Sow Seeds At the Right Time

Before we talk about the best time to sow grass seed, let’s talk about when you should avoid sowing seeds: summer and winter, along with poor weather conditions, such as when it’s raining, snowing or sleeting.


During summer, the temperature is too high and can make the seeds smaller and then die. During winter, the conditions are too cold for the grass seed to survive on the ground. Or if the grass seed survives, it’ll take much longer to germinate. You don’t want it to rain for at least 21 days before sowing. Consider early to late autumn when planting grass seeds or September to October in the UK.


The best time to sow grass seeds is between 8 and 10 degrees because it’s not too cold or too hot. Plus, it’s less likely to snow during this weather temperature. It might be tempting to falsify the weather conditions in your garden by using a heater or cooler for the perfect environment. But this won’t work the same.

Other Tips on Timing

Don’t just pick any month in spring, such as March, but choose the time based on the temperature and humidity levels. The best results are due to a combination of low day temperatures, cold evenings and warm soil. It is because the combination of these different temperatures increases and improves germination.

Also, don’t plant grass seeds if there’s frost in the air. Instead, wait until it gets a little warmer for optimum results.

Applying Sow Grass Seeds in Winter

If you absolutely can’t use grass seed in autumn and it has to be in the winter months, several factors are considered for the best results.

Prepare Your Lawn

Get your lawn ready by raking the grass for the best results, as you would during the rest of the year.

Sow Evenly

You should also sow evenly while ensuring that each sow grass seed makes contact with the soil and doesn’t just sit flat on the surface. Using a firm foot, stamp on the seeds to ensure that they evenly spread and make good contact with the lawn. You can purchase a spreader for even coverage on your lawn.

Moisten the Soil

Sowing grass seed on the soil

Although the winter months are usually the wetter times of the year in the UK, if the ground is dry, use a hosepipe on your garden to moisten the soil before adding your grass seeds.

FAQs on Sowing Seeds

What are Ways to Prepare Your Lawn for Grass Seeds?

You want to maximise the results in your garden, which means that preparation is key. Begin by clearing the area of any debris, including leaves, stones, broken branches and more. For the best results after applying seedlings, work on the condition of your current lawn. You can do this by breaking up compaction and removing any debris that’s unearthed. Furthermore, apply a fertiliser to your lawn for healthy, green grass, rather than waiting until you’ve applied the new grass seedlings to make a change. Then, leave the soil alone for around one week before sowing.

What Will Happen if You Plant the Grass Seeds Too Late?

If you don’t plant grass seeds early but plant them too late, this could cause the seeds to dehydrate and die. It may also lead to soil freezing due to a lack of moisture. Not to mention that the grass seed will just lay on the turf.

How Long Does It Take for Grass Seeds to Grow?

So you’ve applied your sow grass seed to your garden, and you’re waiting for your new lawn. But how long should you wait? A couple of days? Six months? For the best (and quickest) results, lawn seed grows more efficiently when the garden soil isn’t too dry or moist. Prevent large puddles from forming as these can wash away the sowing grass seed.

It’s important to know that different types of grass seeds have different germination rates. Generally speaking, you should see germination happening after the first four days. However, meadow grasses, for example, can take up to two weeks to begin growing.

Will Seeds Properly Grow if They’re Not Covered?

When applying your grass seed onto the lawn, you might be concerned that they’re not completely covered. Seeds can still properly grow if they’re not covered with grass or soil. For the best results, ensure that they’re embedded into the turf. You can do this by stomping on the ground rather than using a rake (which could damage and kill the seeds).

Does pH Matter?

You might also consider checking your soil’s pH, as it should be around 7. To test the pH, purchase a soil testing kit. If the levels are above 7, you might want to consider some grass treatments before scattering your seeds.

Once you’ve completed this task, your lawn should feel loose and be ready for growth. Activate the lawn using fertiliser for strong, healthier grass strands because we all know that a healthier base makes a strong lawn in the long run.

Start Seeding Grass

Now you know when to sow grass seed, specifically the suitable times of the year to sow the seed. It’s time for you to go outside and get to work. Remember that the grass seeding season and temperature can affect how well the grass seeds germinate. In particular, colder temperatures provide a poor germination process, so apply them in the spring and summer instead of the winter. Colder months can prevent germination, which might take several weeks for the seeds to be nearly sown. On the other hand, a hot time of year can dry out the soil, causing the seeds not to germinate properly and thoroughly.

What tips do you have on seeding grass? If you’re experienced with seeding a lawn in the UK, we’d love to hear your successful advice on maintaining a high-quality, healthy lawn. Share your growth strategies in the comments.

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