What height to mow St. Augustinegrass in Texas?
By LawnYear editorial team · Published · Updated Windows are read from the extension publications listed under Sources; the dates are approximate.
The answer
Texas A&M AgriLife Extension Service (2022) gives 2 to 4 in as the mowing height for St. Augustinegrass in Texas. The mowing season shown on this site runs from Mar 1 to Oct 31. Mow at 2 to 4 in weekly, or as often as needed to prevent scalping; never remove more than 1/3 of the leaf at once.
Full calendar: Texas lawn care calendar · St. Augustinegrass in other states · Lawn schedule by ZIP
Approximate dates for your state. Check with your local cooperative extension office before you act.
All Texas windows for St. Augustinegrass
The Texas calendar on this site lists fertilizing Mar 1 to Oct 31, weed control Jan 1 to Mar 31 and Sep 1 to Oct 31, mowing Mar 1 to Oct 31 at 2 to 4 in and watering May 1 to Oct 31 for St. Augustinegrass.
Where the dates come from
Texas A&M AgriLife Extension Service: HORT-PU-170 (05/22), St. Augustinegrass Home Lawn Maintenance Calendar; copy hosted on the Harris County AgriLife Extension site (agrilife.org, not .edu). Read on 2026-10-29.
What to check for Texas
The mowing dates for St. Augustinegrass above (Mar 1 to Oct 31 at 2 to 4 in) apply to Texas as a whole, so the north and south of the state are not told apart.
Other grasses in Texas
For bermudagrass, the Texas calendar gives Mar 1 to Oct 31 at 1 to 2 in for mowing.
Mowing St. Augustinegrass in other states
- Georgia: Apr 1 to Sep 30 at 2 to 3 in, per University of Georgia Cooperative Extension (2023).
- South Carolina: May 1 to Aug 31 at 2.5 to 4 in, per Clemson Cooperative Extension (Home & Garden Information Center), 2018.