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cibula11 03-26-2007 11:04 AM

Aerate now or later?
I am wanted to aerate my lawn, but didn't know if it would be better now or in the fall. I am planning on overseeding in the fall so that's why I thought I would wait till then.

handy man88 03-26-2007 11:48 AM

I assume you want to save money so you only want to do it once. If so, wait until the fall. Dethatch, aerate, seed, and then put down a layer of peat moss. Any uncovered seed will either blow away, be eaten by birds, or not germinate.

tbone2004 03-29-2007 12:38 PM

Do it in the Fall - and overseed right after aeration. Seeds drop into the holes left behind from aerating. I did this and was amazed at the results and regrowth in the following Spring.

ron schenker 03-29-2007 03:20 PM

They were talking about this on a radio show the other day. Apparently, up here in the northern climes it is best to aerate in the spring once the lawn has thawed and dried fully. This has something to do with the clay under the topsoil:huh:

cibula11 03-30-2007 08:48 AM

I think, due to time and money, I will aerate in the fall and then overseed. I know, because this has never been done to my lawn a couple times a year would help. But for now I will do it in the fall.

beer_geek 03-30-2007 09:41 AM

If you have a cool weather grass like fescue, you aerate in the fall. If you have a warm weather grass like bermuda, you aerate in the spring.

cibula11 03-30-2007 10:00 AM

How do I tell what kind of grass I have. It's an older house on older property. I live in Iowa so it's most likely a cool grass.

handy man88 03-30-2007 11:43 AM

Let's get this straight though....the difference between aerating and overseeding....You can aerate spring or fall, depending on your local climate, but for sure, it's better to overseed during the fall. This decreases the chances that your delicate grass will burn during the summer heat. Overseeding in the fall allows the young grass to better establish its roots without being stressed from heat and sun and possibly drought.

beer_geek 03-30-2007 04:41 PM


Originally Posted by cibula11 (Post 38989)
How do I tell what kind of grass I have. It's an older house on older property. I live in Iowa so it's most likely a cool grass.

Put it in a pipe and smoke it? :wink:

Does it stay pretty green all year round? Then it's a cool grass. It doesn't go dormant in the winter and turn brown. Right?

cibula11 03-31-2007 07:52 AM

It gets brown as the winter hits and then turns green during spring. Not too much vegetation lives during 15 degree highs.

beer_geek 04-01-2007 01:14 PM

I'd take some of it to your local garden center and ask.

Pilgrims Pride 04-16-2007 08:57 AM

I read in one of your other posts that you alraedy applied your pre-emergent crabgrass control.
So seeding now is out.
You will get better results seeding in fall any way.
As for aeration,
It is not unreasonable to do it in spring and fall especially if the kids will be playing onthe lawn and helping to compact it.
Some will say that spring aeration will cause crabgrass.
Crabgrass needs two things to germinate, heat & light. Niether of those ever reach into the small holes caused by aeration

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