When Should You Stop Mowing Your Lawn for the Year? A State-by-State Guide

As the days grow shorter and the leaves begin to fall, millions of homeowners start wondering the same thing:

When should I stop mowing my lawn for the year?

The answer may be later than you think.

Putting the lawn mower away simply because October has arrived—or because you’ve already experienced your first chilly night—can leave your lawn too tall heading into winter. On the other hand, continuing to mow grass after it has stopped actively growing isn’t necessary.

The best rule is remarkably simple:

Keep mowing your lawn as long as the grass is actively growing.

Across much of the northern United States, that means the final mowing usually happens sometime from October into November. In the South, mowing can continue into November, December, or even through the winter. And in frost-free climates, there may not be a true “last mow” at all.

Here’s how to tell when your lawn is ready for its long winter rest—and our state-by-state guide to when mowing season usually ends where you live.

Quick Answer: When Should You Stop Mowing Your Lawn?

For cool-season lawns, continue mowing until grass growth has essentially stopped.

A useful temperature clue is when daytime high temperatures consistently remain near or below 50°F. At that point, Kentucky bluegrass and other cool-season grasses dramatically slow their leaf growth.

Iowa State University Extension recommends continuing to mow cool-season turf as long as it is actively growing rather than stopping on an arbitrary calendar date.

For warm-season grasses such as Bermudagrass, zoysia, centipedegrass, and St. Augustinegrass, growth slows as temperatures cool and eventually stops as the lawn enters winter dormancy.

But temperature isn’t the only thing that matters.

Your:

• Grass species
• Elevation
• Latitude
• First frost date
• Amount of rainfall
• Soil temperature
• Local microclimate

can shift your final mowing date by several weeks.

That’s why your lawn—not the calendar—is ultimately the best guide.

The Easiest Way to Know You’re Done Mowing

Try this simple test.

Mow your lawn normally.

Then wait.

If 10 to 14 days pass and the grass has barely grown, mowing season is probably over.

If the lawn has grown another inch or two, it isn’t ready for winter yet.

During an unusually warm autumn, you may mow several weeks later than usual. An early stretch of persistent cold can shut growth down earlier.

Farmers’ Almanac Tip

Don’t assume the first frost automatically ends mowing season.

Cool-season grasses can remain green—and may even continue growing—after light frosts. A sustained stretch of colder weather matters more than one frosty morning.

Want to know when frost usually reaches your area? See our 2026 First Frost Dates: When to Expect Frost in Your State or look up your location in our Average First Frost Dates by City chart.

What Temperature Does Grass Stop Growing?

This is one of the most common fall lawn questions.

For many cool-season grasses, above-ground growth becomes very slow when daytime temperatures consistently stay around 50°F or colder.

Those grasses include:

• Kentucky bluegrass
• Perennial ryegrass
• Tall fescue
• Fine fescues

Their roots, however, may remain active even after visible blade growth has slowed.

Warm-season grasses behave differently.

Bermudagrass, zoysia, centipedegrass, and St. Augustinegrass thrive during hot weather. As autumn temperatures fall, their growth slows and many eventually turn tan or brown as they become dormant.

That familiar brown southern winter lawn isn’t necessarily dead.

It’s sleeping.

When Should You Stop Mowing? State-by-State Guide

The dates below are approximate mowing wind-down periods, not deadlines.

Conditions can vary dramatically within one state.

A lawn in the Adirondacks can stop growing weeks before one in New York City. Flagstaff and Phoenix scarcely resemble one another climatically. Mountain lawns in California can be dormant while coastal lawns remain green.

Use these dates as a starting point, then watch your grass and local temperatures.

State	Typical Time Mowing Winds Down
Alabama	November–December
Alaska	September–October; earlier in colder interior areas
Arizona	October in high country; winter mowing may continue in low deserts
Arkansas	Late October–November
California	October in mountains; November–December inland; many coastal areas can mow year-round
Colorado	Late September–October
Connecticut	Late October–November
Delaware	Late October–November
Florida	November–December in northern Florida; mowing may continue year-round farther south
Georgia	November–December
Hawaii	Generally year-round
Idaho	September–October
Illinois	October–November
Indiana	October–November
Iowa	Late October–November
Kansas	October–November
Kentucky	Late October–November
Louisiana	November–December; mild areas may need occasional winter mowing
Maine	Late September–October; sometimes early November near the coast
Maryland	Late October–November
Massachusetts	October–November
Michigan	October–November
Minnesota	October–early November
Mississippi	November–December
Missouri	October–November
Montana	September–October
Nebraska	October–November
Nevada	October–November in colder areas; winter mowing possible around Las Vegas depending on grass type
New Hampshire	Late September–October; sometimes early November
New Jersey	Late October–November
New Mexico	October–November
New York	October–November; New York City and Long Island may continue later
North Carolina	Late October–November; December possible near the coast
North Dakota	September–October
Ohio	October–November
Oklahoma	Late October–November
Oregon	October–November; western Oregon lawns may grow later
Pennsylvania	October–November
Rhode Island	October–November
South Carolina	November–December
South Dakota	September–October
Tennessee	Late October–November
Texas	October–November in the Panhandle; November–December farther south; some lawns grow through winter
Utah	October–November
Vermont	Late September–October
Virginia	October–November
Washington	October–November; mild western areas may need occasional later mowing
West Virginia	October–November
Wisconsin	October–early November
Wyoming	September–October

Why Your First Frost Date Matters

Your average first frost date provides another clue about when lawn growth will begin slowing.

In some of the coldest parts of the country, frost arrives surprisingly early.

Parts of Alaska, Montana, Idaho, Wyoming, Minnesota, northern New England, and the high-elevation West can experience frost during September.

Across much of the Midwest and Northeast, October is prime first-frost season.

Farther south, the first frost often doesn’t occur until November or December—and some tropical and subtropical locations rarely freeze at all.

You can compare your area using the Farmers’ Almanac First Frost Dates 2026 guide.

For individual locations, see our Average First Frost Dates by City.

Remember, though:

Frost does not necessarily mean mowing season is over.

A lawn can survive a light frost and resume growing once warmer afternoons return.

Should You Cut Grass Short Before Winter?

For generations, homeowners have been told they should give their lawn an extra-short haircut before winter.

Be careful with this advice.

Scalping your lawn before winter is generally not a good idea.

Grass leaves act like miniature solar panels. The plant uses them to produce carbohydrates that support its roots and crown.

Cutting too much of the blade at once stresses the plant.

A better rule is the classic one-third rule:

Never remove more than about one-third of the grass blade during a single mowing.

The University of Minnesota Extension’s lawn-mowing guidance also recommends avoiding excessive removal of grass during a single mowing.

If your lawn has become unusually tall, gradually bring it down over several mowings rather than chopping it all off at once.

How High Should Your Final Mow Be?

There isn’t one perfect final mowing height for every lawn.

For many northern cool-season lawns, a final height somewhere around 2½ to 3 inches is a reasonable target, depending on the species.

Cool-Season Grasses

Kentucky bluegrass: roughly 2–3 inches

Perennial ryegrass: roughly 2–3 inches

Tall fescue: roughly 2½–3½ inches

Fine fescues: roughly 2–3 inches

Warm-Season Grasses

Warm-season grasses can have substantially different mowing requirements.

Bermudagrass, zoysia, centipedegrass, and St. Augustinegrass should be maintained according to the recommended range for that particular species rather than simply following northern lawn advice.

The most important rule remains the same:

Don’t suddenly scalp the lawn just because winter is coming.

Can Grass Be Too Long Going Into Winter?

Yes.

Leaving a lawn extremely tall can create its own problems.

Long blades may become flattened under snow, leaves, or prolonged winter moisture. Matted turf can create damp conditions favorable to certain lawn diseases.

Excessively tall grass can also provide shelter for voles and other small rodents in snowy climates.

That doesn’t mean your lawn needs a buzz cut.

The goal is a healthy, moderately cut lawn, not an unusually short one.

Don’t Make This Common Fall Lawn Mistake

One of the biggest fall lawn mistakes isn’t mowing too late.

It’s stopping too early.

September arrives.

Football season starts.

Leaves begin falling.

The mower disappears into the garage.

Meanwhile, the lawn keeps growing for another month or more.

In a cool autumn, Kentucky bluegrass, fescue, and ryegrass can continue growing long after people mentally declare lawn season finished.

If the grass is still growing, keep mowing.

Should You Mow After the First Frost?

Usually, yes—if the lawn continues growing.

But don’t mow while the grass itself is frozen or covered in frost.

Walking or driving a mower across frozen grass can damage brittle blades.

Instead, wait until the frost melts, the lawn dries, and temperatures moderate.

If another week of mild weather produces noticeable growth, mow again.

Should You Mow Over Fallen Leaves?

Yes—and it may save you a considerable amount of raking.

If the layer isn’t too thick, a mulching mower can shred autumn leaves into small pieces that settle between grass blades and gradually break down.

You may need to make two passes over heavier leaf cover.

But don’t allow a thick blanket of wet leaves to remain on the lawn all winter.

Dense leaf cover can:

• Block sunlight
• Trap moisture
• Smother turf
• Encourage disease
• Create bare patches by spring

So one of your final mowings can serve two purposes: trimming the grass and cleaning up autumn leaves.

Looking for more seasonal yard ideas? Visit our Fall Gardening Guide.

The Final Mowing Checklist

Before putting your mower away for winter, run through this quick checklist.

1. Make Sure the Grass Has Actually Stopped Growing

Don’t use a particular date simply because you’ve always stopped mowing then.

2. Avoid Scalping

Follow the one-third rule and maintain an appropriate height for your grass species.

3. Mow When the Grass Is Dry

Wet grass cuts poorly, clumps together, and can increase the risk of turf problems.

4. Remove or Mulch Heavy Leaves

Don’t let a thick mat of leaves sit on the lawn all winter.

5. Use a Sharp Blade

A sharp mower blade produces a cleaner cut and reduces tearing of grass blades.

6. Clean the Mower

Remove accumulated grass and debris from the mower deck before winter storage.

7. Follow Manufacturer Instructions for Fuel and Batteries

Gasoline-powered and battery-powered equipment have different winter-storage requirements.

Consult your mower’s manual before putting it away for several months.

Should You Fertilize After Your Last Mowing?

This depends heavily on your location and grass type.

For northern cool-season lawns, fall can be an important period for root development and recovery.

But don’t assume that a bag labeled “winterizer” should automatically be applied late in the season.

A soil test is the best way to determine what your lawn actually needs.

Warm-season lawns require different treatment. In much of the South, applying nitrogen too late can encourage tender growth as the grass is trying to enter dormancy.

The University of Georgia Extension has additional guidance specifically for preparing warm-season lawns for winter.

Know your grass type before fertilizing.

What About Newly Seeded Grass?

Newly seeded lawns may continue growing later than established turf because of favorable fall temperatures, moisture, and recent fertilization.

Don’t avoid mowing simply because the seedlings are young.

Once new grass becomes tall enough to need cutting and is firmly rooted, regular mowing can encourage denser growth.

Use a sharp blade, avoid mowing wet soil, and don’t remove too much height at once.

Fall can also be one of the busiest planting periods in the yard and garden. See our Fall Garden Planting Guide for vegetables, bulbs, flowers, and other seasonal planting ideas.

You can also check the Farmers’ Almanac Gardening Calendar for additional planting dates and seasonal guidance.

What If It’s December and My Grass Is Still Growing?

Then you may need to mow it.

There is no rule saying lawn mowers must be put away by Thanksgiving.

During unusually mild autumns, lawns from the Mid-Atlantic into the Northeast can remain active surprisingly late.

The same can happen across the Pacific Northwest.

And in warm regions such as Florida, southern Texas, coastal California, Arizona’s low deserts, and Hawaii, mowing may continue periodically all winter—or never truly stop.

Follow the grass, not the calendar.

Cool-Season vs. Warm-Season Grass: Know What You Have

Knowing your grass type makes this entire question much easier.

Cool-Season Grass

Common across the Northeast, Midwest, Pacific Northwest, and parts of the transition zone.

Examples include:

• Kentucky bluegrass
• Tall fescue
• Fine fescue
• Perennial ryegrass

These grasses grow particularly well during the cooler weather of spring and fall.

Warm-Season Grass

Common throughout the Southeast, Gulf Coast, Southern Plains, Southwest, and warmer areas of California.

Examples include:

• Bermudagrass
• Zoysiagrass
• Centipedegrass
• St. Augustinegrass

These grasses thrive in summer heat and slow dramatically once autumn temperatures fall.

The middle of the country—the so-called transition zone—can contain both types.

That’s why your neighbor’s lawn may require different fall care from yours.

Frequently Asked Questions About When to Stop Mowing

When should I stop mowing my lawn in the fall?

Stop regular mowing when the grass stops actively growing. In northern climates, this generally occurs sometime from October into November. Southern lawns may continue growing considerably later.

What temperature should I stop mowing grass?

For many cool-season grasses, leaf growth becomes very slow once daytime highs consistently stay around or below 50°F. Use the grass itself as your final guide rather than relying on a single temperature reading.

Should I mow my lawn before winter?

Yes. Continue mowing as necessary during fall so the lawn doesn’t enter winter excessively tall.

Should the last cut of grass be shorter?

A modest adjustment may be appropriate for some grass species and climates, but don’t dramatically scalp your lawn. Maintain a healthy mowing height and avoid removing more than roughly one-third of the grass blade at one time.

Can I mow after frost?

Yes, if the grass continues growing. Wait until the frost has melted and the turf is no longer frozen or excessively wet before mowing.

What month do you stop cutting grass?

Across much of the northern United States, mowing typically ends sometime between October and November. Northern mountain and Plains locations can finish earlier, while southern and coastal areas can continue into December or through winter.

Does grass stop growing after the first frost?

Not necessarily. A light frost can slow growth without completely ending it. Several warmer days may cause grass to continue growing.

How do I know when it’s time for the last mow of the year?

Watch the lawn after mowing. If a week or two passes during cool fall weather with almost no additional blade growth, your regular mowing season is probably ending.

The Bottom Line: When Should You Stop Mowing Your Lawn?

So, when should you stop mowing your lawn for the year?

Not when September ends.

Not automatically after the first frost.

And not simply because your neighbors have put their mowers away.

Stop mowing when your grass stops actively growing.

For millions of Americans, that will happen sometime during October or November. Northern areas may finish earlier. Southern homeowners may still be mowing in December. In the warmest parts of the country, mowing season may never completely end.

Watch the temperatures.

Check your local first frost date.

But most importantly:

Watch the lawn. It will tell you when mowing season is finally over.