Timing of aerating and rolling - Knowledgebase Question

Lombard, Il
Question by crosslandjan
March 10, 2009
I live outside of Chicago and have a

Answer from NGA
March 10, 2009


The soil under your lawn can become compacted from foot traffic and frost heaves, and compacted soil excludes air (which roots need). You can fix compacted lawns by aerating every 2-3 years in either the spring or the fall. If you rent a power aerator, it will dislodge plugs of soil. Leave the plugs on the lawn (they'll decompose and break down in the rain). After aerating, spread a thin layer of sand or organic mulch over the top of the lawn and then water deeply. Once the plugs have dissolved you can overseed your lawn if it needs a boost. 3-4 weeks after seeding you can fertilize your lawn. (Or feed it in April if you do not overseed.) Keep it on a regular mowing and watering schedule, feed in June, September and late November and then feed again next April. By then your lawn will be renovated and easy to maintain. Enjoy!

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