Brownsville, TX Lawn Care Calendar
In a typical year, put down crabgrass preventer in Brownsville between Jan 30 and Feb 7. Seed or sod warm-season grass between Feb 19 and Oct 30. Frost is uncommon here. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Brownsville
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Jan 30 – Feb 7 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Feb 19 – Nov 16 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Feb 19 – Oct 30 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Nov 17 – Dec 8 |
Median dates, 2016–2025, from NOAA weather data for Brownsville. This year's dates can differ by a few weeks.
Month-by-month lawn care in Brownsville
- JanuaryCrabgrass preventer (pre-emergent)
- FebruaryCrabgrass preventer (pre-emergent)FertilizerSeeding, sodding & plugging
- MarchFertilizerSeeding, sodding & plugging
- AprilFertilizerSeeding, sodding & plugging
- MayFertilizerSeeding, sodding & plugging
- JuneFertilizerSeeding, sodding & plugging
- JulyFertilizerSeeding, sodding & plugging
- AugustFertilizerSeeding, sodding & plugging
- SeptemberFertilizerSeeding, sodding & plugging
- OctoberFertilizerSeeding, sodding & plugging
- NovemberFertilizerFall pre-emergent (winter weeds)
- DecemberFall pre-emergent (winter weeds)
Soil temperature in Brownsville by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 62°F and peaks in August at 87°F. Crabgrass preventer goes down when it reaches 50°F, usually around Jan 30.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 62°F | 64°F | 71°F | 76°F | 82°F | 85°F | 86°F | 87°F | 84°F | 78°F | 70°F | 66°F |
Brownsville lawn timing, year by year
Over the last 10 years, soil in Brownsville reached 50°F, the signal for crabgrass preventer, as early as Jan 4 (2019) and as late as Mar 1 (2020): 56 days apart. A fixed calendar date can't follow that, which is why the report above uses this year's soil temperature.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Feb 26 | Jan 23 | — |
| 2024 | Jan 23 | Jan 17 | — |
| 2023 | Feb 5 | — | — |
| 2022 | Feb 8 | — | Dec 23 |
| 2021 | Feb 22 | Feb 17 | — |
| 2020 | Mar 1 | — | — |
| 2019 | Jan 4 | — | — |
| 2018 | Jan 6 | Jan 18 | — |
| 2017 | Jan 9 | Jan 8 | — |
| 2016 | Jan 6 | — | — |
Estimated from daily temperatures for Brownsville. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Brownsville?
In a typical year, between Jan 30 and Feb 7. Put it down when soil reaches 50°F, before it stays above 55°F and crabgrass starts sprouting. Early springs move this up by a week or more, so check this year's soil temperature above.
When is the best time to plant grass seed in Brownsville?
Once soil stays above 65°F, typically Feb 19 – Oct 30, leaving about 10 weeks before the first frost.
When is the last frost in Brownsville?
Frost does not occur in most years in Brownsville.
How long is the growing season in Brownsville?
Frost is uncommon in Brownsville, so cool spells rather than freezes set the length of the season.
Lawn care guides
More Texas lawn calendars
Nearby cities in other states
- Lake Charles, LA 397 miles away · crabgrass preventer Feb 1 – Feb 16
- Lafayette, LA 448 miles away · crabgrass preventer Jan 30 – Feb 15
- Baton Rouge, LA 497 miles away · crabgrass preventer Jan 29 – Feb 16
- Shreveport, LA 511 miles away · crabgrass preventer Feb 6 – Mar 1