Core aeration should be done just before the most active growth period depending upon the type of grass being grown. For cool season grasses, core aeration can be done in early spring or preferably, early fall. Warm season grasses should be aerated in late May to early June.

What is the best month to aerate my lawn?

Aeration can take place at any time of the year, but the best time is usually in the spring/early summer or fall. The general recommendation is to core aerate when there is the most root growth.

When Should I aerate my lawn in St Louis?

Aeration and overseeding should be performed during the growing season of the type of grass that is on your lawn. In St. Louis the growing season for fescue and bluegrass is the spring and fall. The growing season for zoysia is summer.

How do I know if my lawn needs aerating?

10 Signs It’s Time To Aerate & Seed Your Lawn
It’s Fall or Spring. The fall is the perfect season to aerate and seed your lawn. Puddles. Puddles are an indication of compacted soil. Worn Areas. Patches in the yard? Inability to Moisten. Thinning Grass. Discolored Areas. Uniformly Thin and Dull. Yard Stopped Growing.

Is it too early to aerate my lawn?

When to Aerate Your Lawn

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.

When should you not aerate your lawn?

Spring is not the ideal time to aerate the lawn, but circumstances may require it. If the soil is so compacted that existing grass can’t grow, it may be necessary to aerate in the spring. 1 Generally, though, spring aerating is discouraged because the aeration holes provide a perfect spot for weed seeds to germinate.

When should I Dethatch my lawn in Missouri?

Lawns should be dethatched only when conditions favor rapid turfgrass recovery. For cool-season lawns, early fall dethatching is most desirable. Mid-June is preferred for zoysiagrass and bermudagrass, but only when lawns are actively growing.

How often should you fertilize your lawn in Missouri?

A full feeding is recommended at least 5-6 times per year. You want to feed your lawn when it’s growing most rapidly. However, you should base the frequency on your climate and the type of grass you have. For example, cool season grasses can be fertilized in late spring, but only if necessary.

When should I plant grass seed in St. Louis?

Early September is recommended for grass seed installation in St. Louis. The warm soil, mild daytime temperatures, and cooler nights create favorable growing conditions. Warm soil helps with faster seed germination, while the cooler temperatures favor the cool-season grasses.

Should I aerate or dethatch first?

Should I aerate or dethatch first? It is best to dethatch first before aerating your lawn. This way, you’ll remove the excess debris and promote healthy root development. Aerating is best done when there’s the problem of compaction.

Should you aerate in the spring?

If you’re looking to aerate 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.

Is it necessary to aerate lawn every year?

Usually, lawn aeration should occur annually. If your lawn is showing the signs listed above and you’ve already aerated once this year, your soil may be compacted and require another round. Plan to seed and fertilize after core aeration. Let the plugs disintegrate into the lawn.

Do I need to mow before aerating?

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.

Should I mow before or after aeration?

In general, aeration creates the most benefit on soil that is a little bit moist. Then, try not to mow right after aerating. Instead, mow beforehand, and consider laying seed and fertilizer over your lawn after aeration and give your lawn time for that new seed to germinate before you mow again.

Do I Overseed After aerating?

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.

How deep should you aerate your lawn?

Look for an aerating tool or machine that removes soil plugs approximately two to three inches deep and roughly half to three quarters of an inch in diameter, about two to three inches apart.

Can you aerate too much?

If you over-aerate your lawn, the soil can become damaged because it won’t absorb the right amount of nutrients and water. The soil may not react to rain, mowing the lawn, and grass nutrients like it should. Without the proper absorption, the grass won’t grow and thrive as it should.