{"id":1356,"date":"2025-03-05T11:31:31","date_gmt":"2025-03-05T17:31:31","guid":{"rendered":"https:\/\/theiowagardener.com\/wordpress\/?page_id=1356"},"modified":"2025-03-05T11:31:34","modified_gmt":"2025-03-05T17:31:34","slug":"lawn-care-schedule-for-iowa","status":"publish","type":"page","link":"https:\/\/theiowagardener.com\/wordpress\/lawn-care-schedule-for-iowa\/","title":{"rendered":"Lawn Care Schedule for Iowa"},"content":{"rendered":"\n

Some homeowners like to follow an intensive lawn care schedule and don\u2019t mind using whatever chemicals are necessary to keep a perfect lawn. Others are cool with letting nature take its course, don’t want to use any chemicals at all,  and are happy with a mixture of benign weeds, grass, and some thin spots.<\/p>\n\n\n\n

\"\"<\/a>
\u00a9 Horticulture \/ Fotolia<\/figcaption><\/figure>\n\n\n\n

But for a lawn that falls in the middle\u2014it’s not perfect but it’s also not ragged\u2014do the following:<\/p>\n\n\n\n

March<\/strong>
\u2022 Mow the lawn once it starts to green up. In cool weather, be sure not to mow too low\u2014set the mower for most Iowa lawns at 2 inches. Mow regularly as needed. As a rule, you should never cut off more than one-third of the leaf blade.<\/p>\n\n\n\n

April<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0
\u2022 If you choose to use chemicals, apply a combination lawn fertilizer\/pre-emergent herbicide when the bright yellow forsythia is blooming.
\u2022 If you’d rather not use chemicals, check out\u00a0corn gluten meal,<\/a>\u00a0developed by Iowa State University as an organic alternative to other pre-emergent herbicides.
\u2022 Patch bare spots. Fill low spots with excellent quality topsoil and seed.\u00a0Overseed<\/a>\u00a0if desired, though fall is the best time. (Just be sure you apply the pre-emergent well after the grass seed is up so you don’t kill your grass seed!)
\u2022 If you have compost, rake it over your lawn to feed it and to fill low spots. It’s fabulous\u2014improving soil texture and fertility.
\u2022 Edge along drives and sidewalks, if desired.
\u2022 Struggling with grass growing in a shady spot even after trying a grass seed mix specifically meant for shade? It’s better to work with nature than against it. Grass is a full sun plant. Plant the low-light area with shade-loving groundcovers, hostas, and other plants.
\u2022 April is a good month to lay sod. Just be sure to keep evenly moist for a few weeks until roots get established.
\u2022 You can\u00a0find sod prices here.<\/a><\/p>\n\n\n\n

May<\/strong>
\u2022 When daytime temperatures start to regularly hit 85 degrees, raise your mower height to 2 \u00bd to 3 inches. Longer blades of grass shade the soil, keeping it cooler so it uses less water and prevents weed seeds from germinating.
\u2022 Save your trees and shrubs from mower damage and other problems by mulching around them as far out as the branches reach, if practical.<\/p>\n\n\n\n

June<\/strong>
\u2022 If you want an especially lush, green lawn, fertilize again early in the month, but this is fairly optional.
\u2022 Keep up with mowing. Regular mowing reduces weeds and is one of the best ways to keep a healthy lawn.
\u2022 Worried you may have grub damage? (They’ve been awful in recent years!) Click here<\/a> for a good University of Illinois fact sheet, including what you can apply, if desired, to control grubs.<\/p>\n\n\n\n

July<\/strong>
\u2022 This is the time most Iowans have to start watering their lawns. Water when we have received less than 1 inch of water a week. Water deeply and well\u2014not just a quick, shallow watering. Put out a tin can or shallow dish to see how much water is being applied. It can easily take several hours to collect 1 inch.
\u2022 If you laid sod in the last few months, be extra careful to keep it well-watered during hot, dry weather.<\/p>\n\n\n\n

August<\/strong>
\u2022 If there is an extended period of dry weather, you can let your lawn go\u00a0dormant,<\/a>\u00a0that is, let it go brown, to conserve water. (Dormancy also helps control grub populations.)
\u00a0\u00a0 However, do not then water a lawn heavily to bring it out of dormancy, then let it go dormant again, then water it again. This stresses a lawn. If you let it go dormant, let it be until natural rainfall restores it.<\/p>\n\n\n\n

September<\/strong>
\u2022 If you choose to use chemicals, apply a lawn broadleaf herbicide late in the month. Also apply a fertilizer, either chemical or organic, to ensure a lawn that greens up faster in the spring.
\u2022 Fall is the best time to plant new lawn seed, once temperatures drop a bit. Patch bare spots. Fill low spots with excellent quality topsoil and seed. And if your lawn is thin, overseed<\/a> it by sprinkling on additional lawn seed. Water in well and keep well watered for the next 2 weeks.
\u2022 If you have compost, rake it over your lawn to feed it and to fill low spots.
\u2022 Late September or early October is the ideal time to plant sod in Iowa. Just be sure to keep well watered until the first few frosts.<\/p>\n\n\n\n

October<\/strong>
\u2022 As temperatures drop, again mow lower. Set the mower to 1 \u00bd to 2 inches for most grasses grown in Iowa.
\u2022 After the last mowing of the season, run the mower until the gas tank is empty for winter storage. Follow manufacturer directions on cleaning the filter\/changing the oil. Take the blade in to be sharpened so it’s ready for next year. A dull blade rips rather than cuts grass leaf blades, making them heal unevenly and giving lawns a beige cast, and promotes disease problems.<\/p>\n\n\n\n

(Click here for a\u00a0printer-friendly version<\/a>\u00a0of this Lawn Care Schedule for Iowa.)<\/p>\n\n\n\n

A thank you to Nick Christians, Iowa State University professor of horticulture specializing in turf management, for reviewing this article!<\/em><\/p>\n\n\n\n

Please do not use content from this site without express permission from The Iowa Gardener.\u00a0Click here<\/a><\/span>\u00a0to request permission to use.<\/em><\/em><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Some homeowners like to follow an intensive lawn care schedule and don\u2019t mind using whatever chemicals are necessary to keep a perfect lawn. Others are cool with letting nature take its course, don’t want to use any chemicals at all,  and are happy with a mixture of benign weeds, grass, and some thin spots. 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