When to Plant Bermuda Grass

Updated August 2026 · Garden Advice Guide

Plant bermuda grass in late spring to early summer, once your soil temperature holds above 65-70°F and every chance of frost is behind you. Across the South that lands somewhere between mid-April and July, with May and June being the safest bet almost everywhere. Bermuda is a warm-season grass, so it wants heat to germinate and a long hot runway to establish, which is exactly why fall seeding fails.

Your whole schedule keys off one date, so start by checking your last spring frost with our free frost date lookup. Seed two to three weeks after that date and you'll be sitting in the right soil temperature almost every year.

One warning before you buy a bag: most lawn seeding advice on the internet is written for cool-season grass and tells you to seed in fall. Follow that with bermuda and you will throw away the seed.

Warm-season vs cool-season: the mistake that wastes a bag of seed

Every grass in America falls into one of two camps, and their calendars are close to opposite.

Cool-season grasses (tall fescue, Kentucky bluegrass, perennial ryegrass, fine fescue) grow hardest in spring and fall and sulk in summer heat. Their best seeding window is late summer into early fall. That's the advice you see everywhere, and it's correct, for them. We cover that case in detail in when to overseed lawn in fall.

Warm-season grasses (bermuda, zoysia, St. Augustine, centipede, buffalograss) do the reverse. They go dormant and turn brown after the first hard frost, sit still all winter, green up in late spring, and put on nearly all of their growth in the hottest part of summer. Seed them in September and the seedling gets a few weeks of growth before it's asked to survive a freeze it has no root system for.

Here's the practical version:

If you're not sure which one you have, look at your lawn in January. If it's brown while your neighbor's is green, you have bermuda or another warm-season grass, and this page is the right one.

The 65-70°F soil temperature rule and how to check it

Air temperature lies. A warm week in March feels like spring while the soil four inches down is still in the 50s, and seed sitting in 55°F soil does nothing except feed birds and rot.

Bermuda seed needs soil that has reached and is holding 65-70°F, measured about 2 to 4 inches deep, for roughly a week straight. Daytime air temps at that point are usually running 80°F or better and nights are staying above 60°F. That combination is what triggers germination.

Three ways to know where you stand:

1. Use a soil thermometer. An inexpensive probe-style compost or soil thermometer is all you need. Push it 3 inches into the lawn in an open, sunny spot. Check at the same time each morning, around 9 or 10 a.m., for several days running. Morning readings are the honest ones because afternoon sun inflates the number.
2. Count from your last frost date. Soil generally clears 65°F about two to three weeks after the average last spring frost. This is the fastest shortcut and it's usually within a week of the thermometer.
3. Watch the neighborhood bermuda. Existing bermuda lawns and roadside bermuda green up at almost exactly the soil temperature that new seed needs. When the brown fields around you have turned solidly green and are growing enough to need mowing, seeding weather has arrived.

Do not seed on the first warm spell of the year. A late frost after germination will kill bermuda seedlings outright, and a cold snap that only stalls them still costs you three weeks of growth you can't get back.

When to plant bermuda grass by region

Bermuda's window is generous in the Deep South and narrow at the northern edge of its range. Find your row, then adjust with your own frost date.

Two adjustments the table can't make for you.

Elevation pushes everything later. A lawn at 4,000 feet in Arizona or west Texas runs two to three weeks behind a lawn at sea level on the same latitude. Trust the thermometer, not the calendar.

Coastal cool water delays soil warming. Along the Pacific coast and parts of the northern Gulf, sea breezes keep nights in the 50s well into May. Bermuda germinates late there even though the days look plenty warm.

The transition zone caveat: how far north bermuda really goes

Bermuda is reliably hardy through USDA zones 7 through 10. Above roughly zone 6, it becomes a gamble, and the way it fails is expensive.

The problem isn't summer, it's winter. Bermuda survives cold by holding energy in rhizomes and stolons below the crown. A hard winter with bare, unmulched ground and repeated freeze-thaw cycles can kill those structures outright. You come out of winter with dead patches that don't recover, a condition turf people call winterkill.

Signs you're too far north for bermuda:

• Your lawn stays fully brown until mid-May while neighbors' fescue is already growing
• You lose 20% or more of the lawn to bare patches most springs
• Your growing season between last and first frost is under about 180 days

If you're in the transition zone and you want bermuda anyway, three things swing the odds:

• Pick a cold-hardy variety. Riviera and Yukon were both bred specifically for the northern edge of bermuda's range and are available as seed.
• Stop fertilizing by late August. Late nitrogen pushes soft growth that has no time to harden off before cold. See the timing rules in our lawn care schedule.
• Raise your mowing height in fall. More leaf area going into winter means more stored energy in the crown.

Clemson Cooperative Extension's turf publications and Texas A&M AgriLife Extension both maintain free variety guides that list cold tolerance for common seeded bermudas, which is worth ten minutes before you spend money on seed.

Seed, sprigs, sod, or plugs: which one and when

Bermuda is one of the few lawn grasses you can install four different ways, and the timing is not the same for each.

You are essentially trading money for time. Seed is the cheapest and slowest, sod is the priciest and instant, and sprigs and plugs sit in between in both columns. What moves the actual number for you is square footage, whether you are buying common seed or a named hybrid, delivery distance on sod and sprigs (they are heavy and perishable, so freight is a real line), and whether you install it yourself or pay for it laid. Price your own square footage with two or three local suppliers on the same day, since sod in particular is quoted fresh.

One fact that surprises people: hybrid bermudas do not come as seed. Tifway 419, TifTuf, Celebration, and the other named hybrids you see on golf courses and sports fields produce no viable seed, so they're only available as sod, sprigs, or plugs. If you want a hybrid, seed isn't an option no matter what the calendar says.

Seeded bermuda means common bermuda or an improved seeded variety like Princess 77, Riviera, Yukon, or Sahara. These are genuinely good lawns, just a little coarser and more open than the hybrids.

For reference, hulled bermuda seed goes down at roughly 1 to 2 pounds of pure live seed per 1,000 square feet. Heavier is not better with bermuda. Overcrowded seedlings compete with each other and thin out anyway.

Sod deserves one note on timing: you can lay bermuda sod nearly year-round in the Deep South, but sod laid on dormant winter grass just sits there. It doesn't knit down until soil warms, and it's vulnerable to drying out the whole time. Laying sod during active growth in late spring or summer gets you rooted turf in two to three weeks instead of four months.

The germination timeline: what happens in the first 21 days

Bermuda seed is tiny, sits shallow, and dries out fast. Here's the real schedule so you know whether to worry.

Hulled seed (the hull removed at processing) germinates in 7 to 14 days. Unhulled seed can take 14 to 30 days. Check the bag, because that difference matters when you're counting backward from frost.

The single thing that kills more bermuda seedings than anything else is letting the seedbed dry out for one hot afternoon between day 3 and day 10. Bermuda seed is planted no deeper than a quarter inch, which is exactly the layer of soil that bakes dry first. Frequent light watering beats one deep soak until the grass is up.

Soil prep before you seed

Bermuda is forgiving about soil, but seed-to-soil contact is not optional.

1. Kill existing weeds first, and mind the waiting period. Non-selective herbicide needs one to two weeks before seeding. Any pre-emergent or crabgrass preventer needs far longer, generally 8 to 12 weeks, because it blocks bermuda seed exactly as well as it blocks crabgrass.
2. Test your pH. Bermuda is happiest between 6.0 and 7.0. County extension soil tests are cheap, and they tell you exactly what to add instead of leaving you to guess at the lime and fertilizer aisle.
3. Loosen the top inch or two. Rake, dethatch, or lightly till. You want a crumbly surface, not powder and not clods.
4. Level the low spots. Do it now. Once bermuda is running you will not get another easy chance.
5. Spread seed in two passes. Half the seed walking north-south, half east-west. Bermuda seed is so small it streaks badly in a single pass.
6. Roll or rake lightly. Press the seed into contact with soil, but do not bury it. A quarter inch is the maximum depth.
7. Skip the thick straw mulch. A heavy layer shades out seedlings that need direct sun. Use a very thin scatter or nothing at all.

Bermuda needs full sun. Shade kills it.

Bermuda has the worst shade tolerance of any common lawn grass in the South. Not "prefers sun," genuinely will not persist.

The working number is six to eight hours of direct sun per day, minimum. Under a mature oak or on the north side of a two-story house, bermuda thins out, gets stringy, loses to weeds, and eventually disappears no matter how well you time the seeding or how much fertilizer you throw at it.

Walk your yard on a sunny day and check it three times: 9 a.m., noon, and 3 p.m. Any area that's shaded at two of those three checks is not a bermuda area. Options for those spots:

• St. Augustine handles moderate shade well in zones 8-10
• Zoysia is a middle ground, better shade tolerance than bermuda, less than St. Augustine
• Tall fescue works in the upper South and transition zone shade
• Groundcover, mulch, or beds are the honest answer under dense canopy

Timing the seeding perfectly into a shaded yard just means the failure happens on schedule.

What happens if you seed bermuda too late

This is the failure mode nobody warns you about, and it happens every August.

Bermuda needs roughly 90 days of active growth between germination and your first fall frost. In that time the seedling has to germinate, produce a real root system, and push out stolons and rhizomes that store enough carbohydrate to run the plant through dormancy. Cut that short and the lawn looks fine in October and is gone in March.

Seed on August 20 in Nashville, where the first frost averages around October 25, and you've given the grass about 65 days. It'll green up, it'll look like a lawn, and then a young plant with almost no rhizome reserve will be asked to survive four months of dormancy. Most of it won't.

So: count 90 days back from your average first fall frost and make that your hard cutoff. If you're past it, do not seed bermuda now. You have two better options:

• Wait until next spring. Prep the soil this fall, apply a fall pre-emergent to keep winter weeds down, and seed in May with a full season ahead of you.
• Lay sod instead. Sod is already a mature plant with an established root system, so it doesn't need the 90-day runway. It's the one way to install bermuda late and have it survive.

Since it's late August as this is written, most of the country is now past the seeding cutoff for this year. Which brings us to the job that is in season right now.

Winter overseeding: green color, not new bermuda

If you're reading this in September or October in the South, the timely job isn't planting bermuda, it's overseeding your dormant bermuda with perennial ryegrass for winter color.

Understand exactly what this is. Overseeding with ryegrass is temporary color on top of a dormant lawn. It does not establish bermuda, thicken bermuda, or help bermuda in any way. The ryegrass is a separate annual-behaving plant that greens the yard from November to April, then dies out in the heat as bermuda wakes up.

Timing: overseed when soil temperature at 4 inches drops to about 70°F on the way down, and daytime highs are running in the 70s. In practice that's roughly three to four weeks before your average first frost. Deep South and Gulf Coast: mid-October to mid-November. Central Texas and the Southwest: early to late October. Upper South: late September to mid-October.

Too early is worse than too late. If you overseed while bermuda is still actively growing, the bermuda outcompetes the ryegrass and you waste the seed. Wait until the bermuda has genuinely slowed down.

The steps:

1. Mow the bermuda down hard, to about 1 inch, and bag the clippings
2. Dethatch or scalp so seed reaches soil, not thatch
3. Spread perennial ryegrass at about 5 to 10 pounds per 1,000 square feet
4. Water lightly twice a day for 10 to 14 days
5. Mow the ryegrass at 1.5 to 2 inches through the winter

The cost: ryegrass competes with your bermuda in spring. It shades the bermuda crowns just as they're trying to green up, so overseeded lawns typically green up one to three weeks later than lawns left alone, and a wet cool spring can drag that out further. On a struggling or thin bermuda lawn, skip overseeding entirely and let the bermuda have the spring to itself. For the other cool-season jobs that share this window, see what to plant in September.

Worked example: a Dallas lawn, seeded mid-April

Real numbers, real dates, one lawn.

The setup: 4,000 square feet of full-sun back yard in Dallas, Texas. Average last spring frost: March 18. Average first fall frost: November 22. Growing season: about 249 days. Plan is seeded common bermuda.

March 20 to April 5, prep. Spray existing weeds with a non-selective herbicide. Pull a soil test at the county extension office: pH comes back 6.4, which is fine, no lime needed. Dethatch and rake the surface loose.

April 8, first soil check. Probe thermometer reads 61°F at 9 a.m. Too cold. Wait.

April 14, second check. 66°F, and it's been climbing five days straight with nights above 58°F. Green light. That's 27 days past last frost, right where the two-to-three-week rule predicts.

April 15, seed day. Spread 6 pounds of hulled bermuda seed across 4,000 square feet, half in each direction, at the 1.5 lb per 1,000 sq ft rate. Rake lightly, roll. Set the sprinkler for three short cycles a day.

April 22 to 29. First blades show around day 8. The lawn looks embarrassingly thin. This is normal. Keep watering light and frequent.

May 10, first mow. Grass is about 2 inches. Cut to 1.5 inches with a fresh blade. Switch watering to every other day, longer runs.

May 25, first feeding. Light nitrogen once the lawn is actively growing and has been mowed twice.

June through August. Stolons run and the lawn knits together. Full coverage by mid-July, about 90 days after seeding. Mow weekly at 1.5 to 2 inches through the heat.

Late August, stop the nitrogen. No more feeding after roughly six weeks before first frost. Late nitrogen makes soft growth that winterkills.

November 22, dormancy. Lawn goes brown. It had 220 days of growth. Rhizome reserves are deep and it comes back thick the following May.

Compare that to the same lawn seeded on August 15. It gets 99 days, barely clears the minimum, and enters winter with a fraction of the stored energy. It survives, but it comes back patchy and needs a full spring of repair.

Common bermuda seeding mistakes

• Seeding on the first warm week in March. Air temp is not soil temp. You'll lose the seed to cold soil or a late frost.
• Applying pre-emergent in spring and seeding in May. Crabgrass preventer blocks bermuda germination just as effectively. Skip pre-emergent entirely in a year you plan to seed.
• Burying the seed. Bermuda seed is tiny. A quarter inch is the maximum, and surface plus light raking is better than a tilled-in mess.
• One deep soak per day during germination. Bermuda's shallow seedbed dries out in hours. Frequent and light beats deep and rare until the grass is up.
• Fertilizing at seeding. A starter fertilizer at seeding mostly feeds weeds. Wait until the lawn has been mowed twice.
• Seeding a shaded yard. No timing fixes shade.
• Expecting a finished lawn in three weeks. Germination is 7 to 21 days. Full coverage is 8 to 12 weeks.

Frequently asked questions

Can I plant bermuda grass seed in the fall?

No, not for establishing a lawn. Bermuda needs about 90 days of active growth before your first frost, and fall seeding doesn't provide it. The seedling either fails to germinate in cooling soil or germinates and dies over winter with almost no rhizome reserve. If you missed the summer window, either lay sod now or prep the soil and seed next May.

What is the best time to plant bermuda grass in Texas?

Mid-April through early July for central and east Texas, and May through early July in the Panhandle and west Texas. Aim for two to three weeks after your last spring frost, then confirm with a soil thermometer reading 65-70°F at 9 a.m. for several days running. May is the safest single month statewide.

How long does bermuda grass seed take to germinate?

Hulled bermuda seed germinates in 7 to 14 days in warm soil. Unhulled seed takes 14 to 30 days. Both need the top quarter inch of soil kept consistently damp the entire time, which usually means two or three short waterings a day rather than one long one.

Can I plant bermuda grass seed in the summer?

Yes, and midsummer is often the best time of all. June and July give bermuda the hot soil it loves and the fastest germination of the year. The catch is water: a July seedbed dries out in a couple of hours, so you need reliable irrigation. Just stop seeding about 90 days before your first fall frost.

Will bermuda grass grow in the shade?

Not for long. Bermuda needs six to eight hours of direct sun daily and has the poorest shade tolerance of any common southern lawn grass. In shaded areas it thins, gets leggy, and loses to weeds within a season or two. Use St. Augustine, zoysia, or tall fescue in shade depending on your zone.

Should I overseed my bermuda lawn with ryegrass?

Only if you want green color through winter and your bermuda is healthy and well established. Overseeding delays bermuda spring green-up by one to three weeks because the ryegrass shades the crowns. On a thin or struggling bermuda lawn, skip it and let the bermuda recover instead.

How far north can bermuda grass grow?

Bermuda is reliably hardy in USDA zones 7 through 10. It struggles above roughly zone 6, where winterkill from repeated freeze-thaw cycles kills the rhizomes. If your growing season is under about 180 days, choose tall fescue or a Kentucky bluegrass blend instead.

Do I need to fertilize when I plant bermuda grass seed?

Not at seeding. Starter fertilizer applied with the seed mostly feeds weeds that germinate faster than bermuda does. Wait until the new lawn has been mowed twice, usually four to six weeks after seeding, then apply a light nitrogen feeding and continue through summer. Stop nitrogen roughly six weeks before your first fall frost.

The short version

Bermuda goes in the ground in late spring to early summer, once soil holds above 65-70°F and frost is finished, which is April through July across most of the South. Fall seeding fails because bermuda is a warm-season grass that needs 90 days of heat to establish. Look up your last frost with our free frost date lookup, add two to three weeks, confirm with a soil thermometer, and seed then. For the rest of the year's timing, our lawn care schedule lays out fertilizer, pre-emergent, aeration, and mowing dates split by grass type.

Updated August 2026

A note on numbers. This page gives you soil temperatures, seeding rates, timing windows and depths, not dollar figures. Seed, sprigs, plugs and sod are priced by your region, your square footage and your delivery distance, and we do not set any of it. Work out what and when to plant here, then price it with two or three local suppliers.