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how to plant grass seed on existing lawn

how to plant grass seed on existing lawn

2 min read 29-08-2024
how to plant grass seed on existing lawn

Planting grass seed on an existing lawn can rejuvenate your yard, fill in bare patches, and improve overall lawn health. Here’s a step-by-step guide to help you achieve a lush and vibrant lawn.

Why Overseed Your Lawn?

Overseeding is beneficial for several reasons:

  • Improves Lawn Density: It helps thicken your lawn, making it more resilient to weeds and pests.
  • Enhances Color: Fresh seeds can restore the rich green color of your lawn.
  • Promotes Health: Introduces new grass varieties that may be more resistant to diseases or pests.

When to Plant Grass Seed

Timing is crucial for the success of overseeding. The best times to plant grass seed are:

  • Spring: Late April to early June, when soil temperatures are warm enough for seed germination.
  • Fall: Late August to mid-October, which is often considered the best time due to favorable temperatures and moisture.

Steps to Plant Grass Seed on Existing Lawn

1. Evaluate Your Lawn

Before you start, assess your lawn for health and any problem areas. Look for:

  • Bare Spots: Identify areas that need more seed.
  • Weeds: Remove any existing weeds that may compete with the new grass.

2. Mow Your Lawn

Mow your existing lawn to a height of about 2 inches. This will help the grass seed to make better contact with the soil. Ensure the mower blades are sharp to avoid damaging the grass.

3. Aerate the Soil

Aerating the lawn improves seed-to-soil contact and allows nutrients and water to penetrate the soil. You can rent a core aerator or use a spike aerator.

  • Core Aeration: This removes small plugs of soil, allowing seeds to fall into the holes.
  • Spike Aeration: This pokes holes into the soil but doesn’t remove soil, which is less effective.

4. Choose the Right Seed

Select a grass seed that matches your existing lawn type. Consider the following:

  • Grass Variety: Choose a variety suitable for your climate.
  • Sun or Shade Tolerance: Ensure the seed can thrive in your lawn's specific conditions.

5. Spread the Seed

Using a broadcast spreader, evenly distribute the grass seed over the lawn. Follow the recommended seeding rate on the package for best results.

  • Method: Move the spreader in a crisscross pattern to ensure even coverage.

6. Lightly Rake the Area

After spreading the seed, lightly rake the soil to ensure good seed-to-soil contact. This also helps cover the seeds slightly, protecting them from birds and wind.

7. Water the Lawn

Water the newly seeded areas immediately after planting. Keep the soil consistently moist but not soggy during the germination period.

  • Frequency: Water lightly once or twice a day for the first few weeks until the seeds germinate.

8. Fertilize

Applying a starter fertilizer can promote healthy growth. Look for a fertilizer with a higher phosphorus content to encourage root development.

9. Monitor Growth

Keep an eye on the newly seeded areas. You should begin to see grass sprouts within 7 to 14 days, depending on the grass type.

Maintenance Tips

  • Mow: Once the new grass reaches about 3 inches tall, mow it to maintain a height of about 2.5 inches.
  • Weed Control: Avoid applying herbicides until the new grass is well established (usually after 6 to 8 weeks).
  • Fertilize Again: Consider a second round of fertilization 4 to 6 weeks after seeding.

Conclusion

By following these steps, you can successfully plant grass seed on your existing lawn and promote a healthy, lush yard. With a little patience and proper care, you'll be rewarded with a beautiful lawn that enhances your outdoor space. Happy gardening!

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