The Ultimate Lawn Care Calendar by Grass Type and Season
A lawn calendar that runs on months is wrong somewhere every year, because April in Georgia and April in Michigan are different…
Garden Guides / Lawn Care
Match mowing height, watering, fertilizer, aeration, and overseeding timing to your grass type, soil, and season.
Use the foundation first, then choose a narrower guide for your exact task.
These guides help you time lawn work to your grass type and soil temperature, and choose between jobs that are easy to confuse, such as dethatching and core aeration.
The lawn calendar sets each job by soil temperature instead of by month, because April in Georgia and April in Michigan are different seasons for grass. Feeding guides follow the same timing.
Dethatching removes a thick layer of stems and roots above the soil, while core aeration pulls plugs out of compacted soil. These guides tell the two apart, then time aeration by grass type and region.
Overseeding guides begin with whether seed is worth buying, then cover timing by region, seeding without an aerator, watering new seed, and when the new grass can take feet and the first mowing.
The remaining guides handle site problems, including grass weeds, St. Augustine grass thinning in partial shade, and a sloping yard that needs leveling.
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A lawn calendar that runs on months is wrong somewhere every year, because April in Georgia and April in Michigan are different…
New grass seed needs a different watering rhythm than an established lawn. Mature turf can wait for deeper soakings, but seed has no…
Aeration timing is the difference between a lawn that thickens up and one that thins out and weeds move into.
The timing depends on how the lawn was planted, and each method has its own rule.
Mow new grass when most plants are no more than one-third taller than the intended cutting height, the seedlings spring upright after…
Michigan State University Extension puts the main aeration window in late summer through early fall.
Confirm whether the grass grows most strongly in cool or warm weather.
Use the grass type and current height to choose a safe mowing height.
Check moisture and compaction before adding water, seed, or fertilizer.