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Short answer: yes. Although aeration is beneficial for most lawns and soil types, if it’s done too frequently, you can weaken the grass’s roots so much that they’ll begin to have trouble. Generally, most lawns can be aerated as infrequently as once every one to three years, although those with more foot traffic and compaction may benefit from aeration up to twice yearly.

One of the best ways to soften your grass and prepare it for planting grass seed is aeration. Aerating your lawn will loosen up compacted soil and facilitate a more even balance of nutrients from root to topsoil. We recommend using core aeration methods for the most effective soil-loosening results.

Technically, yes—and you may have some successful growth—but this isn’t the ideal way to fill in sparse areas. By clearing leaves and debris, amending the soil, and aerating it properly before you lay the seeds, you’re providing the most ideal conditions for them to germinate.

If you accidentally watered your grass too much during the winter months, try aerating your lawn to encourage absorption of the water into the soil and improve drainage. Dethatching your lawn can also help the solid recover from overwatering and encourage healthy root and stalk health in your grass.