When To Aerate
Many people want to know when and how do things, here are the when and how on aeration

If you notice the soil is turning compact, and grass is getting an impoverished appearance, test your soil. Test will show information about the soil conditions: nutrition, components present or lacking. If the test shows that all is fine and you are sure that no plague is in your lawn, you can now aerate it. If the test shows that there is too much clay, you should aerate immediately.

How Aeration Works
Aeration can be done manually or mechanically. If you do it manually, you can rent a kind of spiky shoes that you strap around your usual footwear, then you have to walk around the places you want to aerate, making holes in the ground.

The mechanical way is based on a bar or pole with hollow tubes that pushed into the soil, this is called core aeration. The latter is considered the most effective to aerate your lawn, but if you have a very small yard, a good walking with the spike shoes will be enough.

Aeration, as you see is a very natural and organic way to treat your lawn.

When To Aerate
When fall or spring comes, the time has come to aerate your soil. Remember that preparing either the soil for the new hot weathers or for the cold months acquire high importance, so aerate your lawn to benefit the growth of the new roots, or aerate to provide a loose soil to help the roots endure the winter.

Final Considerations About Aeration
A very natural way of aeration is provided by the earthworms living in your soil. Try vermiculture and you see great results in your lawn. When the soil has an excess of clay can, it should be aerate two or more times a year, depending on its condition.

Finally, aerate before fertilizing, either spring or fall and ensure the good absorption of the fertilizer you want to apply.

Consult a professional for any doubts about aeration process. Aeration will be good  for your lawn and the health of your grass, with a minimum cost and time investment.