When to Aerate a Lawn in Iowa

Weeds sprouting along a concrete edge in a lawn area during warm season.

Aerate an Iowa lawn in fall, while the grass is still growing and well before the first fall freeze shuts that growth down.

When to Aerate a Lawn in Indiana

Weeds sprouting along a concrete edge in a lawn area during warm season.

For most Indiana lawns, the answer is fall. Indiana grows cool-season turf, and cool-season grass is best aerated while it is still actively growing…

How High to Mow a Lawn in Colorado

Weeds sprouting along a concrete edge in a lawn area during warm season.

Mow tall fescue at 3 to 3.5 inches, Kentucky bluegrass at 2 to 3, perennial ryegrass at 1.5 to 2.5, and zoysiagrass or bermudagrass at 1 to 2.

When to Dethatch a Lawn in Colorado

Weeds sprouting along a concrete edge in a lawn area during warm season.

For most Colorado lawns, the answer is never. Dethatching only pays off when the thatch layer measures more than 0.75 inch, and even then the timing…