Ornamental · Poaceae
Bermuda Grass
Cynodon dactylon
Tough, sun-loving, and fast to fill in, bermuda grass makes a hard-wearing lawn that shrugs off heat and foot traffic.
Full sun
Every 3–7 days
60–270 days
USDA 6–10
Overview
Bermuda grass is a warm-season turf grass that holds up to heat, drought, and constant use better than almost any other lawn. It spreads fast and low, knitting into a dense mat from creeping stems above and below the soil. Across the warmer zones it is the default choice for home lawns, sports fields, and golf turf.
That same vigor is the trade-off. The grass races sideways on stolons and rhizomes and will push into flower beds and a neighbor's yard if nothing stops it, which is why some regions treat it as invasive. It also demands full sun and thins out fast in shade, so it is the wrong grass for a yard under heavy tree cover.
Where it fits, bermuda grass asks little. Give it sun, mow it low and often, and water deeply now and then, and it stays thick through the worst of summer. It browns off and goes dormant over winter, then greens up on its own when the warmth returns.
Care
The short version: full sun, mowed low and often, with deep but infrequent watering and a steady feed of nitrogen through the growing season. It thrives on heat and traffic but quits in the shade.
Light
Bermuda grass demands full sun and tolerates no real shade. A stand under trees or beside a building, where less than 6 hours of direct light reaches it, thins out and fails, so save it for the open, sunny parts of the yard.
Water
Once established it is very drought tolerant, so water deeply and not too often rather than with daily sprinkles. About 1 inch (2.5 cm) a week during active growth keeps it green. Let it dry between waterings, and don't panic if it browns in a dry spell, since it recovers.
Soil
It is not fussy about soil, taking clay, loam, sand, shallow rocky ground, and rich organic dirt alike, as long as it drains well. The pH range is wide, anywhere from 5.0 to 8.5, which covers most yards.
Temperature
This is a heat lover, comfortable across roughly 10°F to 104°F (-12°C to 40°C). It thrives in summer warmth and goes dormant in the cold, with winterkill a risk below about 10°F (-12°C).
Humidity
Ordinary outdoor humidity is plenty, so there's no level to manage. The grass handles both humid and dry climates as long as it gets its sun and water.
Feeding
Feed with a nitrogen-based turf fertilizer through the growing season, late spring into summer. Aim 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 at once.
Pruning
Mowing is the pruning here. Cut it low, to about 0.5 to 2 inches (1 to 5 cm), and never take more than a third of the blade in one pass. Dethatch when heavy feeding lets the thatch build up.
Repotting
none
Size & spacing
The turf itself stays low, only about 0 to 2 inches (1 to 5 cm) tall under regular mowing, but each plant spreads 3 to 10 feet (1 to 3 m) across. When planting from plugs, set them 12 to 24 inches (30 to 60 cm) apart and let the runners close the gaps.
When to plant
Bermuda grass wants warm soil to get going. Sow seed or lay sprigs, plugs, or sod from spring into early summer once the cold has passed, and the lawn fills in and stays green and growing right through the heat of summer before it browns off for winter.
Northern hemisphere
Southern hemisphere
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 trouble traces back to one of a few things: where it spreads, where it browns, or where the sun does not reach. Match what you see below, then act before a small patch turns into a season-long fight.
Bleached, dead circular patches showing up in spring
These rings are spring dead spot, a fungal disease that rots the roots, rhizomes, and stolons over winter and shows itself as the rest of the lawn greens up. The patches widen year after year and fill in with weeds if ignored. A fall fungicide program, better drainage through dethatching and aeration, and steady potassium with pH near 5.8 to 6.2 are what bring it under control.
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
Grass creeping into beds and neighboring lawns
This is bermuda grass doing what it does best, spreading sideways on above-ground stolons and below-ground rhizomes that can run roughly 18 inches (45 cm) deep. Pulling rarely works, because any rhizome fragment left behind resprouts. Sink deep edging to block the runners, dig out infested soil completely, and treat or pull escaped shoots before they 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
Lawn turning brown and dormant in cold weather
A warm-season grass, bermuda goes brown and dormant every winter and greens back up in spring, so uniform browning in fall is normal and needs no rescue. The real worry is winterkill from hard freezes, expected below about 10°F (-12°C), which leaves dead patches that never recover. Keep potassium up in fall for cold tolerance, and reseed, sprig, or sod any patches that fail to green up.
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
Thin, weak turf under trees and in shade
Bermuda grass has very poor shade tolerance and wants full sun, so it thins and declines wherever a building or tree canopy blocks 6 or more hours of direct light. Sunny stretches of the same lawn stay thick, which makes the problem easy to spot. Thin the canopy to let more light through, or switch the shaded ground to 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
Stunted, tufted growth with a witch's-broom look
This rosetted, tufted growth comes from the bermudagrass mite, a microscopic pest about 0.2 mm long that feeds hidden under the leaf sheath. Drought-stressed lawns suffer the worst, so the first fix is healthy, well-watered turf. Mow and bag the clippings to carry off infested tissue, and reach for a labeled miticide only when the damage is severe.
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 is safe for pets and people, and it is not on the ASPCA toxic-plant lists. The catches are narrow: its pollen is a major hay-fever trigger, and under drought or fungal stress the forage can turn risky for grazing livestock. None of that touches a maintained home lawn.
Toxic to
Livestock
Safe for
People · Cats · Dogs · Horses · Rabbits · Birds
Livestock Caution
Watch grazing cattle under drought or stress, when the grass can build up nitrates or prussic acid, and a fungal infection of the seedheads can trigger staggers with muscle tremors and an unsteady walk. A maintained lawn carries none of this risk.
Cats None
Safe. A maintained bermuda lawn poses no poisoning risk, and a cat that nibbles a few blades is fine.
Dogs None
Safe. Dogs can run and roll on the lawn without trouble, and the odd mouthful of grass does no harm.
Horses Safe
Bermuda grass is a common pasture and hay grass for horses with no toxic concern under normal grazing.
Rabbits Safe
Fine for rabbits to graze. The grass holds nothing toxic in ordinary, healthy growth.
Birds Safe
No hazard to birds, which often pick at the seedheads of a healthy stand.
People Safe
Safe to walk, sit, and play on. The one catch is the pollen, a major hay-fever trigger for people 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 comes in a coarse seeded species and a run of finer hybrids bred for denser, better-looking turf. These are the ones you will run into most.
Common bermudagrass
The wild seeded species, coarser in texture than the hybrids and the one type you can readily start from seed.
'Tifway' (Tifton 419)
A fine-textured, dense sterile hybrid put down from sprigs or sod, and the standard choice for athletic fields.
'TifGreen' (Tifton 328)
Another fine sterile hybrid established vegetatively, long the go-to for golf greens and other high-quality turf.
'TifTuf'
An improved sterile hybrid prized for its drought tolerance, also planted from sprigs or sod rather than seed.
Improved seeded types (e.g. 'Princess 77', 'Riviera', 'Yukon')
Finer, denser seeded cultivars bred to rival the vegetative hybrids while still growing from a seed packet.
How to propagate
How you start bermuda grass depends on which type you choose. The seeded kinds go down from a seed packet, while the prized hybrids spread only 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 common and improved seeded bermuda grass grow from seed, so the sterile hybrids are out. Sow late spring through early summer once the soil has warmed, spreading 1 to 2 lbs of hulled seed per 1000 sq ft, and a new 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 have to be started from living plant pieces, set out as sprigs, sod, or plugs any time from spring through summer. Plugs spaced 12 to 24 inches (30 to 60 cm) apart knit together in roughly 3 to 9 months, and the grass keeps spreading on its own through stolons and rhizomes.
Myths
Bermuda grass makes a good shade lawn.
It does not. Bermuda grass needs full sun and has very poor shade tolerance, so it thins and fails under trees or beside buildings. For shaded ground, plant a shade-tolerant grass instead.