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Kent's Blog

Spring Aeration

 Full service lawn care Denver/Parker CO. Call 303-358-0041 for a free estimate from the lawn and tree pro! lawns, care, fertilizing, weeds, control, aerating, seeding, mowing, trees, watering,
 Spring and Fall are when most lawn care companies perform lawn aerations. You can aerate any time in the Spring, Summer or Fall. Actually, if you have a heavy thatch layer, you need to do three aerations, Spring, Summer and Fall. The more the better. There are two reasons for aeration here in the Denver/Parker CO. areas: soil compaction and thatch reduction. The first one: soil compaction is a real problem here in Denver/Parker CO. because we have a lot of clay and sandy soils that tend to get compacted very easily. When you poke holes in the turf, it introduces air, water and nutrients to the root zone and is very beneficial. The second: thatch reduction is very important because a heavy thatch layer (located in the root zone) makes your lawn susceptible to attack from insects and disease. The water cannot even penetrate it and just pools on the surface. Then as the day heats up, it creates humidity on the surface which are conditions favorable for the fungus to grow that causes diseases. It's not good for the lawn to stay wet on the surface for extended periods of time. That's why it's not good to water at night, the best time to water is in the early morning while it's still cool. Then as the day heats up the water will soak down into the soil and encourage the roots to go down deep, making for a healthy turf grass. Aerating also helps the water not to run off as badly on slopes. I do not recommend power raking at all, it just does the same as raking by hand; gets the dead grass from the surface which needs to stay on the lawn and be recycled back into the soil. The faster your lawn decomposes the clippings, the less thatch you will have. That's why the older lawns (30 years or more) have no thatch layer, they have more microbial activity and nematodes, night crawlers doing their jobs and it decomposes and recycles the clippings into the soil. The younger lawns (5-10 years old) haven't had time to build up microbial activity and therefore have a heavy thatch layer and need to be aerated three times a year.  That's why they feel spongy like carpet when you walk on them. If you pick up one of the plugs you will see the layers: bottom layer is soil, right above that is thatch (spongy material) then the actual grass plant above that. For more lawn tips for the Denver/Parker CO area lawns please visit