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Writer's pictureC R

When and how to aerate your lawn




Aerating your lawn can be beneficial for the health of your grass, especially if you have compacted soil or poor drainage. Aeration involves perforating the soil with small holes to allow air, water, and nutrients to penetrate the grassroots. Here's a guide on when and how to aerate your lawn:


When to Aerate Your Lawn:

  1. Spring or Fall:

  • Spring and fall are the best times to aerate cool-season grasses, such as Kentucky bluegrass, fescue, and ryegrass. Aim for late spring or early fall for optimal results.

  • For warm-season grasses like Bermuda, zoysia, and centipede, it's best to aerate in late spring to early summer.

  1. Soil Moisture:

  • Aerate when the soil is moist but not waterlogged. If the soil is too dry, the aerator may have difficulty penetrating. Water your lawn a day or two before aerating if the soil is dry.

How to Aerate Your Lawn:

  1. Choose the Right Aerator:

  • There are two main types of aerators: spike aerators and core aerators. Core aerators are generally more effective. They remove small plugs of soil, allowing for better air and water penetration.

  1. Prepare Your Lawn:

  • Mow your lawn to a short height before aerating. This allows the aerator to penetrate the soil more effectively.

  1. Mark Irrigation Lines and Obstacles:

  • Before you start, mark any irrigation lines or other underground obstacles to avoid damaging them with the aerator.

  1. Aeration Pattern:

  • Run the aerator over the lawn in a pattern, covering the entire area. Go over the lawn once, and then go over it again in a perpendicular direction to ensure thorough coverage.

  1. Aeration Depth:

  • For most lawns, aerate to a depth of 2-3 inches. Adjust the aerator accordingly.

  1. Leave the Plugs:

  • Don't rake up the soil plugs left behind by the aerator. They will break down and add valuable organic matter to the soil.

  1. Post-Aeration Care:

  • After aerating, consider overseeding your lawn and applying fertilizer to promote healthy grass growth.

  1. Watering:

  • Water the lawn after aerating to help the soil absorb moisture and nutrients more effectively.

Additional Tips:

  • Frequency:

  • Aerate your lawn once a year if it has heavy clay soil or if it gets a lot of foot traffic. Lawns with sandy soil may benefit from aeration every 2-3 years.

  • Professional Services:

  • If you're unsure about aerating your lawn yourself, consider hiring a professional lawn care service.

By following these guidelines, you can promote a healthier lawn by improving soil aeration, drainage, and nutrient absorption.


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