The best time for aeration is during the growing season, when the grass can heal and fill in any open areas after soil plugs are removed. Ideally, aerate the lawn with cool season grass in the early spring or fall and those with warm season grass in the late spring.
You want to aerate the lawn when your grass is in its peak growing period so it can recover quickly—think early spring or fall for cool-season grasses, and late spring through early summer for warm-season grasses.
Never aerate dormant lawns. For cool-season grasses common in northern lawns, early fall or early spring are the best times for aerating. For warm-season grasses common to southern lawns, the best time for aerating is late spring or very early summer.
A dethatcher works well when you have a lot of dead grass on top of the soil, making the lawn feel spongy. An aerator is best used when the core has a thick layer of thatch, usually more than 0.5 inches.
Is lawn aeration necessary? Almost all lawns will benefit from aeration, and a great lawn demands it. That said, most lawns do not need it. Lawns suffering from heavy foot traffic, excessive thatch (>1 inch thick) or grown on heavy soils will benefit most.
Professional Lawn Care Aeration and Treatment
The cost to aerate your lawn by hiring a lawn care company is about $15 to $17 per thousand square feet. The average lawn size is about ten thousand square feet, making the average aeration cost around $150.
Loose soil doesn’t need to be aerated very often. … Especially thick types of grass may also call for aerating more frequently. As a general rule, you shouldn’t need to aerate more than once a year at any time (“too much of a good thing” applies here, since you don’t want to damage your soil).
Before you aerate, mow your lawn low (Timberline lawn experts recommend setting your mower to about 1.5-2 inches above the ground to maximize the effectiveness of aerating, being sure to not scalp the crown of the grass.) You will want to water one to three days before aerating.
No, it’s not necessary to aerate your lawn every year, especially if your grass is healthy and thriving. Aeration is good if you’ve got compacted, poor or clay-heavy soil that’s been impacted by heavy equipment or lots of foot traffic. It’s also good to aerate if you are renovating a yard or installing a new one.
You should not water the day of because your lawn won’t have time to absorb the water. The goal after aeration is to keep your lawn moist without oversaturating the soil. … Be sure not to overwater, as this can cause the soil to shift, potentially negating your hard work!
If you’re looking to aerate your landscape in the spring, the best time would be between March and May. While we recommend aerating your lawn in the fall, spring core aeration may be beneficial if your turf is so compacted it refuses to grow.
To overseed a lawn without aerating, start by mowing it lower than 2 inches and follow it up with raking to remove debris and loosen up the topsoil. Spread the grass seed and then rake over it gently. Fertilize with a starter fertilizer and then water the lawn lightly until the grass grows to a good mowing height.
Within 48 hours after you aerate you should over seed, fertilize, and water your lawn. The seed, fertilizer, and water will have the best chance to get down into the holes made by the aerator if applied soon after aeration.
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.
Overseeding is used for larger areas where the turf is thin, but not bare. The effectiveness of overseeding, whether done in the spring or fall, is enhanced when it is combined with lawn aeration. … It is helpful to core aerate before and after seeding into an existing lawn.
It is recommended that you power rake your lawn before aerating it. Power raking first will help prepare the grass for aeration. You should power rake at least 5 to 7 days before aerating so that your lawn has time to recover between procedures.
For cool season grasses, power raking is recommended in early fall or spring. Warm season grasses are better power raked in late spring to early summer. Because power raking does damage some healthy grass, it is important to power rake with enough growing season left for your lawn to recover.
You can’t walk on the lawn after aeration because the seeds and fertilizer need time to settle, and the soil could get too compact. Walking or mowing on a freshly-aerated lawn can prevent the seeds from sprouting and the soil from getting enough oxygen and nutrients.
For northern grass the best time to dethatch your entire lawn is in late summer to early fall when the grass is actively growing. For southern grasses, dethatch in late spring. In early spring, and for small areas, use a thatching rake, which is a sharp-tined rake that rips the thatch out of the lawn.
This gives your lawn the nutrients that it needs to grow strong and healthy. The cost of a TruGreen aeration treatment can cost anything from 200 dollars to 450 dollars depending on the size of your lawn, whether fertilizer is applied at the same time and if so what type and how much of it is required.
Overall, we give TruGreen a score of 97 out of 100. We believe it’s the best lawn care company in the industry.
Aeration involves perforating the soil with small holes to allow air, water and nutrients to penetrate the grass roots. This helps the roots grow deeply and produce a stronger, more vigorous lawn. The main reason for aerating is to alleviate soil compaction.
Make sure you’re aerating the entire lawn. You’ll also want to space the holes evenly, about three to four inches apart. You may need to make several passes to achieve the right spacing. Stay off the lawn for a few days afterward.
Ideally, you should hold off on mowing your lawn until at least 2 to 3 weeks after overseeding. This will give your new, fragile grass roots a chance to settle. Mowing before your roots settle may exert pressure on your new roots. Timing is crucial during this process and patience is key.
While aeration itself can take just a couple of hours, depending on the size of your commercial property, plugs typically break down in about two weeks.
Preparing for Aeration
Aerating your lawn begins by preparing the area. Ideally, you should water the lawn at least a day or two before aeration; you should add at least one inch of water to the soil to make it easier for the aerator to penetrate the soil and pull out the cores.
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.
Warm weather grasses should be aerated when the weather begins to warm. This means that aeration should occur between late spring and through the summer. Anytime during this season will help your lawn, as long as it is not during heat waves or drought.
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