Ornamental · Poaceae

Bermuda Grass

Cynodon dactylon

Tough, sun-loving, and fast to fill in, bermuda grass gives you a hard-wearing lawn that shrugs off heat and foot traffic.

Light

Full sun

Water

Every 3–⁠7 days

Harvest

60–⁠270 days

Hardiness

USDA 6–⁠10

Toxic to livestock
Bermuda Grass

Overview

Bermuda grass is a warm-season turf grass that takes heat, drought, and constant use better than just about any other lawn out there. It spreads fast and low, weaving into a thick mat from creeping stems both above and below the soil. Across the warmer zones, it's the go-to for home lawns, sports fields, and golf turf.

All that vigor comes with a catch, though. The grass charges sideways on stolons and rhizomes and will push straight into your flower beds and a neighbor's yard if nothing's there to stop it, which is exactly why some regions call it invasive. It also has to have full sun and thins out quickly in shade, so it's the wrong pick for a yard buried under tree cover.

Where it does fit, bermuda grass asks for very little. Give it sun, mow it low and often, water deeply every so often, and it'll stay thick through the nastiest part of summer. It browns off and goes dormant over winter, then greens itself back up once the warmth returns.

Care

The short version: full sun, mowed low and often, with deep but infrequent watering and a steady feed of nitrogen all through the growing season. It loves heat and traffic but gives up in the shade.

Light

Bermuda grass has to have full sun and puts up with no real shade. A stand stuck under trees or beside a building, where less than 6 hours of direct light reaches it, just thins out and fails. So save it for the open, sunny parts of the yard.

Water

Once it's settled in, it's very drought tolerant, so water deeply and not too often instead of giving it daily sprinkles. Roughly 1 inch (2.5 cm) a week during active growth keeps it green. Let it dry out between waterings, and don't panic if it browns during a dry spell, because it bounces back.

Soil

It really isn't picky about soil, happily taking clay, loam, sand, shallow rocky ground, and rich organic dirt alike, as long as the spot drains well. The pH range is nice and wide too, anywhere from 5.0 to 8.5, which covers most yards.

Temperature

This one's a heat lover, comfortable across roughly 10°F to 104°F (-12°C to 40°C). It thrives in summer warmth and slips into dormancy in the cold, with winterkill a risk below about 10°F (-12°C).

Humidity

Plain old outdoor humidity is plenty, so there's no level you need to fuss over. The grass handles both muggy and dry climates just fine as long as it gets its sun and water.

Feeding

Feed it with a nitrogen-based turf fertilizer through the growing season, from late spring into summer. Shoot for about 3 to 7 lbs of nitrogen per 1000 sq ft a year, split across several feedings and never more than 1 lb per 1000 sq ft in one go.

Pruning

Mowing is your pruning here. Keep it low, around 0.5 to 2 inches (1 to 5 cm), and never take off more than a third of the blade in a single pass. Dethatch when heavy feeding lets thatch build up.

Repotting

none

Size & spacing

The turf itself stays low, only about 0 to 2 inches (1 to 5 cm) tall with regular mowing, but each plant spreads 3 to 10 feet (1 to 3 m) across. Planting from plugs? Set them 12 to 24 inches (30 to 60 cm) apart and let the runners close up the gaps.

When to plant

Bermuda grass needs warm soil before it'll really get moving. Sow seed or lay sprigs, plugs, or sod from spring into early summer once the cold has cleared out, and the lawn fills in and stays green and growing right through the heat of summer before it browns off for winter.

Northern hemisphere

Plant Apr–Jun
Active growth May–Sep
Dormant Nov–Mar

Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.

  • Plant: Spring through early summer once soil has warmed; establish common types from seed (1-2 lbs hulled seed per 1000 sq ft) or hybrids from sprigs, sod, or plugs.
  • Harvest: Inconspicuous seedheads in summer; grown for turf, not bloom.

Hardiness

USDA hardiness zones: 6–10

Temperature: down to -23°C

Troubleshooting

Most bermuda grass headaches come down to a few things: where it spreads, where it browns, or where the sun can't reach. Find what matches below, then act before a little patch turns into a season-long battle.

Severe

Bleached, dead circles popping up in spring

Those rings are spring dead spot, a fungal disease that quietly rots the roots, rhizomes, and stolons all winter and then reveals itself once the rest of the lawn greens up. Ignore them and they get wider every year, filling in with weeds. So what brings it under control? A fall fungicide program, better drainage from dethatching and aeration, and steady potassium with pH kept near 5.8 to 6.2.

Fix:

  • Apply fall fungicide programs (around early to late October) alternating active ingredients
  • Dethatch or verticut and core aerate to improve drainage
  • Limit summer nitrogen to 1 lb per 1000 sq ft per application
  • Keep potassium high and pH near 5.8-6.2
Setback

Runners sneaking into beds and the lawn next door

What you're seeing is just bermuda grass doing its favorite thing: traveling sideways. It rides along on above-ground stolons and below-ground rhizomes that can dive down roughly 18 inches (45 cm), so tugging at it almost never works. Leave even a scrap of rhizome behind and it sprouts right back. Your best bets? Sink deep edging to stop the runners, dig the infested soil out cleanly, and deal with escaped shoots before they take root.

Fix:

  • Install deep physical edging or bed borders to block runners
  • Completely excavate infested soil, removing all rhizome fragments
  • Withhold water to dry stems then repeatedly till to bring rhizomes to the surface to desiccate
  • Use repeated applications of a labeled herbicide for established infestations
Setback

Lawn going brown and dormant when it gets cold

Because it's a warm-season grass, bermuda turns brown and goes dormant every single winter, then perks back up come spring. So even browning in the fall is totally normal and needs no rescue at all. The thing actually worth watching is winterkill from hard freezes, which you can expect below about 10°F (-12°C). That leaves dead patches that won't bounce back. Keep potassium topped up in fall for cold tolerance, and reseed, sprig, or sod any spots that stay brown.

Fix:

  • Wait for spring warm-up and green-up rather than over-treating
  • Maintain high potassium levels in fall to improve cold tolerance
  • Reseed, sprig, or sod areas killed by severe freezes once soil warms
Setback

Thin, struggling turf under trees and in shade

Bermuda grass has very poor shade tolerance and really just wants full sun. So anywhere a building or a tree canopy steals 6 or more hours of direct light, it thins out and gives up. Meanwhile the sunny parts of the very same lawn stay nice and thick, which makes spotting the problem pretty easy. Either thin the canopy to let more light down, or swap that shaded ground for a shade-tolerant grass or groundcover.

Fix:

  • Prune or thin tree canopy to increase light
  • Switch shaded areas to a shade-tolerant grass or groundcover
  • Reduce traffic and raise mowing height slightly in marginally shaded spots
Setback

Stunted, tufted growth with a witch's-broom look

That rosetted, tufted growth is the work of the bermudagrass mite, a tiny pest about 0.2 mm long that feeds out of sight under the leaf sheath. Drought-stressed lawns get hit the hardest, so the first move is simply healthy, well-watered turf. Mow and bag the clippings to haul off the infested tissue, and only reach for a labeled miticide when the damage gets bad.

Fix:

  • Mow and bag clippings to remove infested tissue
  • Maintain vigorous growth with proper fertility and irrigation
  • Apply a labeled miticide if damage is severe

Toxicity

Bermuda grass is a common lawn and pasture grass that's safe for pets and people, and it's not on the ASPCA toxic-plant lists. The catches are pretty narrow: its pollen is a major hay-fever trigger, and under drought or fungal stress the forage can get risky for grazing livestock. None of that reaches a maintained home lawn, though.

Toxic to

Livestock

Safe for

People · Cats · Dogs · Horses · Rabbits · Birds

Livestock Caution

Keep an eye on grazing cattle when it's dry or the grass is stressed, since that's when it can build up nitrates or prussic acid, and a fungal infection of the seedheads can set off staggers with muscle tremors and a wobbly walk. A maintained lawn carries none of that.

Cats None

All good here. A cared-for bermuda lawn is no poisoning risk, and a cat that chews a blade or two will be just fine.

Dogs None

No worries. Dogs can tear around and roll on the lawn happily, and the occasional mouthful of grass won't hurt them.

Horses Safe

Bermuda grass is a regular pasture and hay grass for horses, with nothing toxic to worry about under normal grazing.

Rabbits Safe

Perfectly fine for rabbits to nibble. Healthy, ordinary grass holds nothing toxic for them.

Birds Safe

No danger to birds at all, and they'll often pick at the seedheads of a healthy patch.

People Safe

Safe to walk, sit, and play on. The only catch? The pollen, which is a major hay-fever trigger for folks who react to grass.

Safe for pets and people as a maintained lawn. Note for sensitive people: bermudagrass pollen is a major hay-fever allergen. For grazing livestock there are conditional risks - under drought or stress bermudagrass can accumulate nitrates or prussic acid, and fungal (ergot/Claviceps) infection of seedheads can cause neurological bermudagrass tremors (staggers) in cattle. These are forage/grazing concerns and do not affect the maintained home lawn or household pets.

Helpline numbers

United States

ASPCA Animal Poison Control: (888) 426-4435 (fee applies)

United Kingdom

Animal PoisonLine: 01202 509000 (fee applies)

Australia

Animal Poisons Helpline: 1300 869 738

Varieties

Bermuda grass shows up as a coarse seeded species plus a string of finer hybrids bred for denser, better-looking turf. Here are the ones you're most likely to come across.

Common bermudagrass

This is the wild seeded species. It runs a bit coarser than the hybrids, and it's the one type you can easily get going from seed.

'Tifway' (Tifton 419)

A dense, fine-textured sterile hybrid you put down from sprigs or sod. It's the usual pick for athletic fields.

'TifGreen' (Tifton 328)

Another fine sterile hybrid started vegetatively, and for a long time the favorite for golf greens and other top-quality turf.

'TifTuf'

An improved sterile hybrid that's loved for how well it handles drought. Like the others, it goes in from sprigs or sod, not seed.

Improved seeded types (e.g. 'Princess 77', 'Riviera', 'Yukon')

Finer, denser seeded cultivars bred to keep up with the vegetative hybrids while still coming straight out of a seed packet.

How to propagate

How you get bermuda grass started really depends on which type you go with. The seeded kinds go down from a seed packet, while the prized hybrids will only spread from living pieces of the plant.

SeedEasy

Late spring through early summer once soil is warm · Several weeks to a few months for full coverage

Only the common and improved seeded bermuda grass will grow from seed, so the sterile hybrids are off the table here. Wait for warm soil and sow late spring through early summer, scattering 1 to 2 lbs of hulled seed per 1000 sq ft. A fresh stand fills in over several weeks to a few months.

DivisionEasy

Spring through summer · About 3-9 months for full coverage from plugs spaced 12-24 in apart

The hybrids can only start from living plant pieces, set out as sprigs, sod, or plugs anytime from spring through summer. Space plugs 12 to 24 inches (30 to 60 cm) apart and they'll knit together in roughly 3 to 9 months, then the grass keeps spreading on its own through stolons and rhizomes.

Myths

Myth

Bermuda grass makes a good shade lawn.

Reality

Nope. Bermuda grass needs full sun and has very poor shade tolerance, so it thins right out and fails under trees or next to buildings. For shaded ground, plant a shade-tolerant grass instead.

Sources