Chandler, AZ Lawn Care Calendar
In a typical year, put down crabgrass preventer in Chandler between Jan 17 and Feb 10. Seed or sod warm-season grass between Mar 29 and Oct 19. The last spring frost usually comes around Jan 31. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Chandler
| 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 17 – Feb 10 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Mar 29 – Nov 6 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Mar 29 – Oct 19 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Oct 30 – Nov 20 |
Median dates, 2016–2025, from NOAA weather data for Chandler. This year's dates can differ by a few weeks.
Month-by-month lawn care in Chandler
- JanuaryCrabgrass preventer (pre-emergent)
- FebruaryCrabgrass preventer (pre-emergent)
- MarchFertilizerSeeding, sodding & plugging
- AprilFertilizerSeeding, sodding & plugging
- MayFertilizerSeeding, sodding & plugging
- JuneFertilizerSeeding, sodding & plugging
- JulyFertilizerSeeding, sodding & plugging
- AugustFertilizerSeeding, sodding & plugging
- SeptemberFertilizerSeeding, sodding & plugging
- OctoberFertilizerSeeding, sodding & pluggingFall pre-emergent (winter weeds)
- NovemberFertilizerFall pre-emergent (winter weeds)
- DecemberNo treatments due; mow as needed.
Soil temperature in Chandler by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 53°F and peaks in July at 95°F. Crabgrass preventer goes down when it reaches 50°F, usually around Jan 17.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 53°F | 57°F | 63°F | 71°F | 78°F | 89°F | 95°F | 93°F | 88°F | 77°F | 65°F | 56°F |
Chandler lawn timing, year by year
Over the last 10 years, soil in Chandler reached 50°F, the signal for crabgrass preventer, as early as Jan 4 (2016) and as late as Feb 28 (2018): 55 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 | Jan 16 | Jan 23 | — |
| 2024 | Jan 17 | Jan 14 | — |
| 2023 | Jan 31 | Jan 25 | — |
| 2022 | Jan 4 | — | — |
| 2021 | Jan 29 | — | — |
| 2020 | Jan 6 | Feb 6 | — |
| 2019 | Jan 9 | Feb 21 | Dec 30 |
| 2018 | Feb 28 | — | Dec 29 |
| 2017 | Jan 31 | — | Dec 22 |
| 2016 | Jan 4 | Feb 5 | — |
Estimated from daily temperatures for Chandler. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Chandler?
In a typical year, between Jan 17 and Feb 10. 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 Chandler?
Once soil stays above 65°F, typically Mar 29 – Oct 19, leaving about 10 weeks before the first frost.
When is the last frost in Chandler?
The median last spring frost is Jan 31 (2016–2025).
How long is the growing season in Chandler?
Frost is uncommon in Chandler, so cool spells rather than freezes set the length of the season.
Lawn care guides
More Arizona lawn calendars
Nearby cities in other states
- Henderson, NV 260 miles away · crabgrass preventer Feb 3 – Feb 22
- Las Vegas, NV 272 miles away · crabgrass preventer Feb 3 – Feb 17
- St. George, UT 280 miles away · crabgrass preventer Feb 25 – Mar 30
- Las Cruces, NM 302 miles away · crabgrass preventer Feb 24 – Mar 16