Artificial Turf vs. St. Augustine: Which Fits Your Houston Yard?

St. Augustine and artificial turf both have trade-offs.

Real grass stays cooler in the sun, while turf can cut mowing and lawn watering but costs more to put in.

Shade, dogs, wet soil, and time for care all affect the choice. Compare the same yard needs instead of picking by looks alone.

Updated October 2026 · TurfMastro, Houston, Texas

Side by side

Factor	St. Augustine grass	Artificial turf
Mowing	About weekly, at 2.5 to 3.5 inches	None
Watering	Deep and infrequent, generally no more than once or twice a week in warm months	None for the lawn; a rinse for cleaning or cooling
Fertilizer	1 to 4 lb of nitrogen per 1,000 sq ft per year	None
Shade	Most shade-tolerant warm-season grass, but still needs 4 to 6 hours of light a day	Does not need light
Pests and disease	Chinch bugs, large patch, gray leaf spot, take-all root rot	None
Foot traffic and dogs	Handles only light traffic	No bare spots or mud
Surface temperature in sun	Cool	Much hotter than grass
Lifespan	Ongoing with care	Roughly 10 to 25 years according to cost publishers

The grass figures come from Texas A&M AgriLife Extension.

Where St. Augustine struggles

Chinch bugs. AgriLife says they often cause significant damage in summer, and St. Augustine is the only turfgrass that suffers severe damage. Texas sees 3 to 6 generations a year. Untreated, the damage shows up as irregular yellow patches that spread and can kill the turf.
Large patch. AgriLife calls it "the most chronic and economically important disease of both St. Augustinegrass and zoysiagrass in Texas." It shows up in spring and fall when the soil is wet, and poor drainage and overwatering make it worse. Extensive damage often means resodding.
Deep shade. St. Augustine tolerates shade well, but AgriLife notes it may not survive in heavily shaded areas, particularly under trees whose canopies keep getting denser.
Drought. It is not as drought tolerant as bermudagrass or buffalograss, so it can need more supplemental watering.
Wet soil and traffic. It does not tolerate waterlogged soil and handles only light traffic.

Where St. Augustine wins

It stays cool underfoot in full sun. Artificial turf does not. See how hot turf gets in Texas.
It costs less to put in.
It is a living lawn, and some HOAs require one. Check your rules before you switch. See Texas HOA rules for artificial turf.

Which one fits your yard

Turf makes the most sense where St. Augustine keeps failing: heavy shade under mature trees, dog runs, narrow side yards, and areas that stay wet.

Grass makes the most sense for a large, sunny yard you use barefoot in summer and do not mind maintaining. You can also use both, with turf in the problem areas and grass in the open sun.

Common questions

Is artificial turf better than St. Augustine grass in Houston?

It depends on the yard. Turf is better in heavy shade, for dogs, and where you do not want to mow or water.

St. Augustine is better in open sun where surface heat matters, and it costs less to install.

Why does my St. Augustine keep dying in patches?

Texas A&M AgriLife lists chinch bugs and large patch as the most common causes. Chinch bug damage appears as irregular yellow patches in summer, and large patch appears in spring and fall when the soil stays wet.

Will grass grow under my oak trees?

St. Augustine is the most shade-tolerant warm-season grass, but AgriLife says it still needs 4 to 6 hours of light a day and may not survive under dense tree canopies.

That is one of the most common reasons people switch that part of the yard to turf.

Can I have both grass and artificial turf?

Yes. Turf can go in the areas where grass fails, such as shaded beds, side yards and dog runs, with natural grass left in the sunny open areas.

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