Successful sod in Austin starts with enough soil, at least six inches according to Texas A&M AgriLife, and the right warm-season grass for your sun. Remove old turf, build or loosen the soil, grade away from the house, and lay sod the day it arrives in spring or early summer. Confirm new-sod watering rules with your utility first.
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Sod gives you a finished lawn in a day, but in the Austin area it only lasts if there is enough soil under it and the grass suits the site. The most common sod failures here are sod laid over a skim of soil on top of limestone, the wrong grass for the amount of shade, and new sod that can't get enough water during its first weeks.
Soil depth comes first
Texas A&M AgriLife's Travis County office recommends at least six inches of soil for lawns. Many lots west of I-35 have far less, with limestone or caliche just below the surface, and builders sometimes spread only a thin layer of imported soil before laying sod. That lawn dries out in days. East of I-35, soil depth is rarely the problem; dense clay that drains slowly and compacts under equipment is. Either way, ask the installer how deep the prepared soil will be.
Choosing the grass
- St. Augustine for yards with trees and part shade. It needs more water than the others.
- Bermuda for full sun, kids and dogs.
- Zoysia for sun to light shade and a dense look, with slower recovery from damage.
- Buffalograss for low-water, low-traffic sunny areas.
Laying sun-loving Bermuda under a big live oak is one of the most expensive mistakes we hear about. Watch how many hours of direct summer sun the area gets before you choose.
When to lay sod
Warm-season sod roots best when it is actively growing, generally spring through early summer, before the hottest weeks. It can go in during peak summer, but it needs more water to survive, which is harder under watering limits. Late fall sod has little time to root before winter dormancy.
What proper installation looks like
- Remove old turf and weeds. Laying over existing grass leads to patchy, uneven results.
- Build or loosen the soil. Add quality soil where it is thin over rock; loosen compacted clay and work in compost. AgriLife cautions against adding sand to clay, which can bind like concrete.
- Grade. The surface should slope away from the house so water doesn't collect at the foundation.
- Lay sod the day it arrives. Tight, staggered seams, cut cleanly around beds and walks.
- Roll and soak. The first watering should wet the soil below the sod, not just the grass.
Watering new sod under local rules
New sod needs frequent watering until roots take hold. Utilities around Austin handle this differently: some offer variances for new landscapes, some allow hand watering any time, and some restrict even new installations in severe drought stages. Round Rock, for example, asks residents to apply for a variance to water new landscaping more than twice a week. Confirm the rules with your utility before the sod is delivered, not after.
How to tell if sod has rooted
Gently lift a corner. If it comes up easily, roots haven't grown into the soil yet. Once it resists, start stretching the time between waterings and plan the first mowing.
Questions to ask
- How deep will the prepared soil be, and what is it made of?
- Does the price include removing old turf, grading and haul-off?
- What watering plan do you recommend under my utility's current rules?
- Is there any guarantee, and what does it require of me?
To get started, request a sod installer and include photos of the area.
See how it works
Frequently asked questions
Can I water new sod more often than my watering day allows?
Sometimes. Some utilities offer variances for new landscapes, and hand watering is often allowed more freely, but rules differ by city and tighten in drought. Check with your utility before the sod is delivered.
Why did my new sod die even though I watered it?
A common Austin cause is too little soil over limestone or caliche, so the sod dries out within days. Other causes are the wrong grass for the shade, compacted clay underneath, or sod that sat too long before installation.
What is the best sod for shade in Austin?
St. Augustine is generally the most shade-tolerant warm-season grass, with some zoysia varieties next. No lawn grass does well in dense shade, where beds, groundcovers or a path are often better.
Sources and further reading
- Texas A&M AgriLife Extension, Travis County: The Real Dirt on Austin Area Soils
- Texas A&M AgriLife Extension: Turfgrass Selection for Texas
- Austin Water: Find Your Watering Day
- Austin Water: WaterWise Landscaping Rebate FAQs
- Austin Water: Backflow Prevention Overview
- City of Austin: Grow Green
- City of Austin: City Arborist (tree permits)
- Austin Fire Department: Wildfire Division
- TCEQ: Landscape Irrigator, Irrigation Technician and Irrigation Inspector licenses
- TCEQ: Edwards Aquifer Map Viewer
- Texas Department of Agriculture: Applying pesticides to ornamentals, trees, lawns or weeds
- Texas A&M Forest Service: Oak wilt
- City of Round Rock: Water Conservation
- City of Lakeway: Deer Resistant Landscaping
- USDA Plant Hardiness Zone Map
- EPA WaterSense
- Texas811: call before you dig