Correct Mowing Height for Bermuda Grass in Each North Texas Season

Mowing height is one of the most influential decisions a North Texas homeowner makes about their lawn — and one of the most commonly mishandled. Cut Bermuda grass too short at the wrong time of year and you scalp the plant, expose the soil to weed seed and erosion, and stress the root system during its most vulnerable periods. Leave it too long and you create a thatch-heavy canopy that blocks light, holds moisture at the soil level, and invites disease. Getting the height right for each North Texas season is the foundation of a thick, healthy Bermuda lawn — and the target number changes meaningfully as the calendar turns.

Why Bermuda Height Matters More Than Most Grasses

Bermuda grass is a low-growing, high-density turf that is naturally optimized for close mowing. Its lateral growth pattern (stolons running along the soil surface) means that the canopy structure changes dramatically at different height settings. Too high and the stolons shade themselves, slowing lateral spread and density. Too low at the wrong time removes the growing points entirely. The grass is also highly sensitive to the one-third rule — never remove more than one-third of the blade in a single mowing — because violating this rule sends Bermuda into a stress response that diverts energy from root growth to blade recovery, weakening the entire plant system during peak growth periods.

Spring: Green-Up to Active Growth (March–May)

As Bermuda grass breaks dormancy in North Texas — typically March through early April in Arlington and Tarrant County — the ideal mowing approach is a scalp cut followed by a season-long height increase. Here’s how that sequence works:

• Scalp cut at green-up: Drop your mower to its lowest setting and make one pass across the entire lawn as soon as the grass shows the first signs of new green growth. This removes the gray, dead overwintered material and exposes the soil to solar warming, which accelerates spring green-up by 1–2 weeks. Bag this clipping — the dormant material is too heavy to leave on the lawn.
• Raise to 1 to 1.5 inches for spring: Once active growth is confirmed and the lawn is greening uniformly, raise the deck to 1 to 1.5 inches. At this height, Bermuda captures maximum light for photosynthesis while still staying dense enough to resist weed establishment during the critical early-season window when crabgrass and other summer weeds are trying to germinate.
• Maintain weekly mowing rhythm: Spring growth is rapid. Letting Bermuda get more than 2 inches tall before mowing in spring and then cutting back to 1.5 inches violates the one-third rule and sets back the lawn.

Summer: Peak Growth Season (June–August)

During the DFW summer, Bermuda grass grows at its fastest rate and the mowing height strategy shifts to balance density, heat protection, and growth management:

• Maintain 1 to 2 inches during peak heat: Many turf professionals in North Texas raise Bermuda to 1.5–2 inches in July and August specifically because slightly taller grass shades the soil surface, reducing soil temperature by several degrees, which in turn reduces evapotranspiration and extends the time between irrigation cycles.
• Never scalp in summer: Cutting Bermuda below 0.75 inches during heat above 95°F removes leaf tissue faster than the plant can recover. The result is a scalped, brown lawn that is far more susceptible to heat stress, weed invasion, and pest damage.
• Mow more frequently, not lower: If Bermuda is growing fast in hot, moist conditions, the correct response is to mow more often at the same height — not to drop the deck setting. Mowing every 5 days at 1.5 inches is far healthier than mowing weekly at 1 inch to compensate for growth.

Fall: Transition and Slowdown (September–November)

As temperatures drop below 85°F and Bermuda growth slows heading into fall, the approach changes again:

• Maintain 1 to 1.5 inches through September and October: Active growth continues through early fall in DFW, and the height principles from summer remain valid. Keep the deck slightly higher to protect the crown as temperatures become more variable.
• Avoid scalping before dormancy: Cutting Bermuda very short in late October or November before it fully goes dormant removes the protective canopy of dead leaf material that helps insulate the crowns during winter. Leave the grass at 1.5 to 2 inches heading into dormancy to protect the growing crowns from cold.
• Final mow timing: The last mow of the season in the Arlington area typically falls in late November. Cut to your regular 1.5-inch height — do not scalp for winter.

Winter: Dormant Season (December–February)

Bermuda goes fully dormant in North Texas winters and typically does not need mowing from December through February. If a mild winter produces occasional new growth, mow only if the grass exceeds 3 inches — otherwise leave it alone. The dormant plant’s energy is in the roots and crowns, not the blades. Disrupting it unnecessarily during this period weakens the spring green-up response.

Blade Sharpness Matters as Much as Height

A dull mower blade tears Bermuda grass rather than cutting it cleanly. Torn blade tips turn brown within 24–48 hours, giving the lawn a ragged tan cast even at perfect mowing height. Sharpen mower blades at least twice per growing season — once at spring startup and once in mid-July during peak growth. If you’re mowing weekly on an acre, sharpen blades monthly. A sharp blade also reduces the energy demand on the mower and produces cleaner clippings that decompose faster into the lawn.

Connecting Mowing to Your Overall Lawn Program

Proper mowing height works in concert with every other lawn care input. Fertilizer applications work best on grass that’s actively growing at the right height — overly long turf holds fertilizer granules in the canopy rather than delivering them to the soil. Pre-emergent weed control creates its germination barrier in the top layer of soil, which stays more intact when Bermuda is mowed correctly and the soil is not repeatedly disturbed by scalping. For the complete picture of how mowing fits into a year-round program, visit Hamann’s lawn care services for Arlington and North Texas homeowners.

Read our companion article on fixing sprinkler runoff on slopes to make sure your irrigation is working as effectively as your mowing program.