How do you sow a lawn with grass seed

Whether you’re just after building a new home and now ready to create a beautiful lawn or expanding an existing lawn, sowing grass seed will produce exceptional results. Find out how with these easy to follow steps.

Good preparation produces great outcomes – apply this rule when sowing grass seed for a lawn.

When to sow a new lawn

It is recommended to sow in April, May, June or late August and September. During this time of year germination can be quick as the seed is exposed to good growing conditions – warm air/ground temperatures, moisture and sunshine. Growth in these conditions can be expected from 7 to 14 days.

If soil conditions are too cold the grass seed will wait until the weather warms up before germinating. If you decide to sow when the weather is very hot such as during July or August, the soil can be very dry so get your hose at the ready and be prepared to water the lawn daily

Prepare the soil for sowing

When sowing a new lawn ensure you have prepared a quality soil, A.K.A. the seed bed correctly.

    Follow these simple preparation steps to give your grass the best seed bed to grow in.

  • Remove any stones and dig out any weeds, consider using a weedkiller if required
  • Rest the soil for 2 or 3 weeks - dig out returning weeds as they appear
  • Add a slow release fertiliser and rake it in thoroughly.

Sowing the grass seed

The trick to showing the seed correctly is ensuring it is planted at the correct depth within the soil. If the grass seed is buried too deep it will run out of energy trying to reach the surface, if left on the surface it may dry out or be ate by birds.

    Follow these steps to get a perfectly sown lawn:

  • Divide your soon to be lawn into sections as to ensure you don’t run out of seed
  • Sow the grass seed by hand, spreader or seed drill
  • Follow the instructions on the grass seed label
  • Sow at a rate of 50grams per square metre
  • Rake soil lightly over the seed, then tread lightly to firm in. Aim to bed the seed 5-10mm deep under the soil.

TIP: Grass seed needs to be snugly surrounded by soil to germinate. The seed also needs air too, so remember not to compact it in too tightly.

Mowing the grass for the first time

We need to ensure the grass is still quite long after the first cut so it will continue to grow rapidly and spread throughout the lawn. It is recommended to cut to a height of 70 – 80mm, long enough to ensure the leaves still catch plenty of sunlight. As you continue to cut for the second and third time you can cut down shorter and shorter but bear in mind not to cause any stress on the grass blades or chop down to hard.

Find out more about fertilising and watering here.

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