Denton, TX Lawn Care Calendar
In a typical year, put down crabgrass preventer in Denton between Feb 19 and Mar 9. Seed or sod warm-season grass between Apr 22 and Sep 6. The last spring frost usually comes around Feb 28. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Denton
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Feb 19 – Mar 9 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Apr 22 – Oct 9 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Apr 22 – Sep 6 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Oct 15 – Nov 5 |
Median dates, 2016–2025, from NOAA weather data for Denton. This year's dates can differ by a few weeks.
Month-by-month lawn care in Denton
- JanuaryNo treatments due; mow as needed.
- FebruaryCrabgrass preventer (pre-emergent)
- MarchCrabgrass preventer (pre-emergent)
- AprilFertilizerSeeding, sodding & plugging
- MayFertilizerSeeding, sodding & plugging
- JuneFertilizerSeeding, sodding & plugging
- JulyFertilizerSeeding, sodding & plugging
- AugustFertilizerSeeding, sodding & plugging
- SeptemberFertilizerSeeding, sodding & plugging
- OctoberFertilizerFall pre-emergent (winter weeds)
- NovemberFall pre-emergent (winter weeds)
- DecemberNo treatments due; mow as needed.
Soil temperature in Denton by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 44°F and peaks in July at 86°F. Crabgrass preventer goes down when it reaches 50°F, usually around Feb 19.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 44°F | 48°F | 58°F | 63°F | 72°F | 81°F | 86°F | 86°F | 79°F | 69°F | 57°F | 50°F |
Denton lawn timing, year by year
Over the last 10 years, soil in Denton reached 50°F, the signal for crabgrass preventer, as early as Jan 21 (2017) and as late as Mar 4 (2022): 42 days apart. A fixed calendar date can't follow that, which is why the report above uses this year's soil temperature. Between the typical last spring frost (Feb 28) and first fall frost (Nov 20), the growing season lasts about 265 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Feb 27 | Feb 23 | Nov 10 |
| 2024 | Jan 31 | Feb 19 | Nov 30 |
| 2023 | Feb 21 | Mar 20 | Nov 27 |
| 2022 | Mar 4 | Mar 13 | Nov 13 |
| 2021 | Feb 28 | Feb 21 | Nov 27 |
| 2020 | Mar 1 | Feb 28 | Nov 30 |
| 2019 | Feb 3 | Mar 7 | Oct 31 |
| 2018 | Feb 16 | Apr 8 | Nov 10 |
| 2017 | Jan 21 | Feb 26 | Oct 28 |
| 2016 | Feb 12 | Feb 27 | Dec 8 |
Estimated from daily temperatures for Denton. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Denton?
In a typical year, between Feb 19 and Mar 9. 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 Denton?
Once soil stays above 65°F, typically Apr 22 – Sep 6, leaving about 10 weeks before the first frost.
When is the last frost in Denton?
The median last spring frost is Feb 28 and the median first fall frost is Nov 20 (2016–2025).
How long is the growing season in Denton?
About 265 days, from the median last spring frost on Feb 28 to the median first fall frost on Nov 20 (2016–2025).
Lawn care guides
More Texas lawn calendars
Nearby cities in other states
- Lawton, OK 120 miles away · crabgrass preventer Mar 1 – Mar 25
- Norman, OK 140 miles away · crabgrass preventer Mar 3 – Mar 31
- Oklahoma City, OK 158 miles away · crabgrass preventer Mar 7 – Mar 31
- Texarkana, AR 179 miles away · crabgrass preventer Feb 19 – Mar 13