Prescott, AZ Lawn Care Calendar
In a typical year, put down crabgrass preventer in Prescott between Apr 3 and Apr 30. Seed or sod warm-season grass between Jun 3 and Aug 6. The last spring frost usually comes around May 6. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Prescott
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Apr 3 – Apr 30 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Jun 3 – Sep 8 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Jun 3 – Aug 6 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Sep 7 – Sep 28 |
Median dates, 2016–2025, from NOAA weather data for Prescott. This year's dates can differ by a few weeks.
Month-by-month lawn care in Prescott
- JanuaryNo treatments due; mow as needed.
- FebruaryNo treatments due; mow as needed.
- MarchNo treatments due; mow as needed.
- AprilCrabgrass preventer (pre-emergent)
- MayNo treatments due; mow as needed.
- JuneFertilizerSeeding, sodding & plugging
- JulyFertilizerSeeding, sodding & plugging
- AugustFertilizerSeeding, sodding & plugging
- SeptemberFertilizerFall pre-emergent (winter weeds)
- OctoberNo treatments due; mow as needed.
- NovemberNo treatments due; mow as needed.
- DecemberNo treatments due; mow as needed.
Soil temperature in Prescott by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 37°F and peaks in July at 75°F. Crabgrass preventer goes down when it reaches 50°F, usually around Apr 3.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37°F | 40°F | 44°F | 52°F | 58°F | 70°F | 75°F | 73°F | 67°F | 57°F | 47°F | 40°F |
Prescott lawn timing, year by year
Over the last 10 years, soil in Prescott reached 50°F, the signal for crabgrass preventer, as early as Feb 25 (2025) and as late as Apr 22 (2020): 56 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 (May 6) and first fall frost (Oct 20), the growing season lasts about 167 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Feb 25 | Apr 29 | Dec 1 |
| 2024 | Apr 17 | May 7 | Oct 30 |
| 2023 | Apr 11 | Apr 21 | Oct 13 |
| 2022 | Apr 3 | May 13 | Oct 24 |
| 2021 | Apr 3 | May 25 | Oct 13 |
| 2020 | Apr 22 | Apr 16 | Oct 26 |
| 2019 | Apr 16 | May 24 | Oct 11 |
| 2018 | Apr 1 | May 3 | Oct 15 |
| 2017 | Mar 12 | May 19 | Sep 25 |
| 2016 | Mar 1 | Apr 26 | Nov 11 |
Estimated from daily temperatures for Prescott. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Prescott?
In a typical year, between Apr 3 and Apr 30. 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 Prescott?
Once soil stays above 65°F, typically Jun 3 – Aug 6, leaving about 10 weeks before the first frost.
When is the last frost in Prescott?
The median last spring frost is May 6 and the median first fall frost is Oct 20 (2016–2025).
How long is the growing season in Prescott?
About 167 days, from the median last spring frost on May 6 to the median first fall frost on Oct 20 (2016–2025).
Lawn care guides
More Arizona lawn calendars
Nearby cities in other states
- Henderson, NV 175 miles away · crabgrass preventer Feb 3 – Feb 22
- St. George, UT 188 miles away · crabgrass preventer Feb 25 – Mar 30
- Las Vegas, NV 188 miles away · crabgrass preventer Feb 3 – Feb 17
- Farmington, NM 283 miles away · crabgrass preventer Apr 10 – May 5